I’m still waiting for my adapter however it seems canon is showing you the equivalent f stop, rather than the actual opening of the lens. So while it was reading 2.8 for both tests, the lens was actually stopped down further on the C70 in order to give the amount of light and DOF you would be expecting without the speed booster. Theoretically the DOF and focal length should be much much closer if you simply had the same lens at their most wide open, and then count stops down from there.
Thanks Jesse! My brain was breaking trying to figure out how the speedbooster could *increase* DOF with an equivalent f stop, focal length and distance from subject, but this explanation makes so much sense. I don't think showing equivalent f-stop is good practice...seems pretty confusing.
This is great Griffin! So I think what is happening with the speedbooster is effecting how the aperture values appear. One thing to note is the an F 0.9 setting on the C70 with the speedbooster is equivalent to the F 1.2 on the C500 Mark II. The numbers change because Canon (and Sony for that matter) felt that speedboosters should provide the equivalent aperture settings or put another way, show you that the speed boosters are converting the lens in use to a +1 stop version. So with the speedbooster combined with the 50mm F1.2 used on the C70 you get approximately a 50mm F0.85 Aperture lens (rounded to 0.9) on a crop sensor. I wish they would just adjust the aperture to read out the lenses in their full frame equivalent so you can match to other full frame cameras, but instead the apply the math accurately and read out the new calculated aperture factoring in the size of the sensor in use. So when you set the aperture to 0.9 on the 50mm on the C70 with the speedbooster you are setting the f1.2 50mm lens to the same wide open setting as you are when the 50mm is on the C500.
Do you have problem with famous "purple circle"? I can not find the enough information about it, as no one realy tested it with vatiety of focal lenght, matte box etc?
Love this channel - as a small team (2) and using Canon and Leica your advice and reviews are impeccable. Will be buying a C70 mainly because of you reviews. Many thanks.
I think the C70 with speedbooster gives you a reading of the aperture based on the compensation for the extra stop of light. Meaning F2.0 is not really F2 but it´s F2.8. You should do the same test with manual aperture to confirm this
I have a BMPCC4K with metabones speedbooster and it does this. The camera does the conversion to say what equivalent f-stop would be. I think this would explain the difference in depth of field you were seeing.
@@shzammpatapon9865 at same aperture (not what the camera says but same position of the actual iris blade) the dof is identical, only the native is cropped compared to the one with focal reducer. Now if you want to move the camera with focal reducer closer to the subject and reframe so that you get a similar field of view to the native, then it's not comparable anymore and obviously you get shallower dof by moving the camera closer
Honestly man, I would keep the c70. What benefits are you hoping to get from a komodo? If you are not happy with the image of the c70 the komodo will not be much better
@@jordantimothy97 2 month old post but yeah, I ended up cancelling the Komodo preorder. Too many quirks I can't ignore - like the long boot-up time and the protruding batteries.
@@JervyHou I’m torn between moving over to Sony or getting the C70 (coming from BlackMagic so current lens kit isn’t a deciding factor) The reason I’m debating is because I’ve never been in love with Sony’s color science. Thoughts? I actually canceled my FX3 order because I’m still undecided.
If there is enough interest I will do a full comparison like my other comparisons on my channel. I usually do polls on my community tab to get a feel for what would be interesting to most people. Thanks for watching!
Thanks for telling the world that the AF does in fact work with lenses other than the three canon originally mentioned. This pretty much solidified my purchase.
Awesome breakdown! Glad I found your channel a few weeks ago. Debating on investing in the c70 now that I’m doing more video shoots and becoming a big part of my business. currently on a 5d4 since I was primarily a photographer
Hey Griffin, great video. Depth of field is kind of fascinating isn’t it? The reason your lens matches at f/2 on the C70 and f/2.8 on the C500 II is because that is when your lens is stopped down to the same physical aperture size. The speed booster is simply compressing the image circle projected by the lens on to the sensor. At f/2.8 on the C500, the lens is stopped down to f/2.8 internally. If you took this same lens configuration and put it on the speed booster it would become f/2 due to the reduction in focal length. But the image is still the same. This means if you have a 50mm f/2.8 it becomes a 35mm f/2 (both of these keep the same 17.7mm physical aperture) but you end up with the same framing between the two cameras because of the smaller sensor on the C70. When you stop down to the same aperture of f/2.8 on both cameras you end up with a 50mm f/2.8 setting with a 17.7mm aperture on the C500, and a 35mm f/2.8 setting with a 12.5mm aperture on the C70 with speed booster. Smaller physical apertures = higher depth of field. So what you observed is absolutely correct! You have to open the aperture one additional stop to match depth of field (and light collection) with the speed booster. If you stop them down to the same aperture you’re eliminating the advantage of the speed booster. You should always use 1 stop wider aperture and 1 stop lower ISO setting when possible to achieve full frame equivalent noise and depth of field.
Really great stuff. I’ve been a Canon shooter for years and this is one of the most useful series I’ve found. I can tell you’re out there working and living with the gear. Thank you!
It would be amazing if you do a video testing the Canon 0.71x speedboster on the Red Komodo. Specially showing how the autofocus works with canon L series glass + Canon Speedbooster. Thanks for the content Griffin! Cheers from Barcelona
Thank you for the video, my Speed Booster will be here tomorrow and I was happy to see your test. Now I feel confident that I did the right thing and will start using it in my work.
You should move your C70 closer to the subject when using a speedbooster in order to get a similar frame composition, which will make the C70 and C500 ii have a similar DOF.
Hey bro great to see you again. Hope you had a great Christmas and just wanted to wish you a very Happy New year and may 2021 bring you much success, joy and happiness. Stay safe and catch up again real soon.
You have to apply the crop factor to the aperture too. 1:1 even at the same aperture settings, with a focal reducer in between it will be a different DOF.
@@GriffinConway I sold the C200. I upgraded to the C70. The C70 form factor is much easier to travel with and with the exposure tool like false color it makes nailing exposure a breeze. No more need to RAW. I can travel with C70 and DJI Ronin SC 2 and a few lens all in a backpack. Love it man. Keep the videos coming.
@@GriffinConway that would be awesome. Since the Komodo has a slightly bigger Sensor Than the c70 I’m wondering if ff lenses will cause vignetting. When I’m doing the math correctly the Komodo will get a 0.9x FOV which is wider than FF. I really appreciate the work you’re doing keep it up
I would be very interested in a sharpness/optical degradation comparison between full frame and speedboosted c70. Normally with speedboosters (especially cheaper ones) your loose some image quality (most noticable wide open on the edges). I would be interested how good canon's adapter-optics are made.
Yessir! Great stuff. Yea with the field of view increasing, It's so interesting that it does increase DOF. Definitely looks like an amazing B cam to the c500II.
The depth of field difference is because you stopped down the aperture instead of shooting both wide open. The reading on the screen is just the adjusted f stop because of the extra stop of light. So, the c70 will have the same depth of field as the c500ii, but one stop brighter.
Hmmm, interesting. Outstanding, Griffin... I’m shamelessly still partial to the 1DXM3 and wondered how the speed booster’s depth of field change compared to full frame 1DXM3 AND the Komodo
Of course you have to open the speed boosted lens another stop to match the full-frame DOF. I would like to see a test of the 4k through the speed booster. Thanks
Speed booster is a focal reducer. Wider focal length means deeper DOF. And of course the c500 has a shallower DOF it’s a full frame sensor and the c70 is super35. Just because you use a focal reducer doesn’t change your sensor size.
Your findings are exactly what my experience with the metabones were. Most people don’t agree but with depth of field I always multiple the f stop by the crop factor to get an idea of what the background separation will be in relation to full frame. I’m assuming your observation of more blur with the 50mm on the c70 with the adapter is just due to the fact that at that point it’s more like a 75mm. ALSO...how the hell did you get yours already?! Lol
I think we’re saying the same things but with different words. It seems to me canon is giving you the coal length and F Stop that most cinematographers would be used to. So they are treating a 35mm f1.8 as if it was actually a 25mm f1.1 (or whatever) instead of having you pretend it’s FF. Basically more seasoned and less tech forward people will appreciate this terminology, but for those who often shoot FF cameras and speed booster and such, it may seem bizarre.
@@JesseDriftwood okay, I gotcha. I’m so used to 1.5x-ing everything when thinking in super 35 terms I think I’ve just confused myself all over again lol. More of a mystery to me is when Canon’s supply chain will catch up with this adapter. Are we looking at spring for anyone that didn’t preorder upon announcement? Samy’s camera in LA told me they received 3 (3!!!) adapters in their initial shipment.
Nice job, Griff. I appreciate the analysis. I just received my C70 a couple of days ago and waiting to receive the speed booster. I have another adapter and have used the sigma 24mm lens on it and it autofocus seems to work the same as on my R5 and 1DX MK III.
So the conclusion of this video is that f2.0 on a Super 35 has a similar depth of field to f2.8 on a full frame. Glad to see that the reality lines up with the theory
Solid video! Funny until you mentioned it, forgot you only have 5k subs...just watch this thing is going to blow up quick with this quality! ....Also Delanie might help with that growth haha
Perfect. The adapter gives FF depth of field one stop wider than the equivalient full frame setting, with that much more light. The C70 is better in shadow recovery, making it's dynamic range better than the Sony. Cuz going for lower exposure is never a problem. But shooting in a light starved setting is pretty common. The down side of this camera for me is not having AF work in low light for dark skin. I find the C70 nicer thant the C500. I think you can make the C70 look like the C500 pretty easily with some de-saturation and white balance adjustments. But making the C500 look like the C70 a challenge I would like to see. Given that you can do a lot in post, I presume it can be done, the question is when does it start to fall appart? And going the other way, if you want that C500 cinematic look, is the corrected C70 as pushable as the C500? Over all I am super impressed with the smoothness of the mid tones on both.
You always get one stop more light and bokeh with speed boosters because you’re concentrating the full frame light into a smaller sensor which intensifies it and bumps the blur. Same with the older Metabones ones. Only issue with some is that they compromise the image quality- this one seems to be high quality and Canon claims it even helps reduce c.a. fringing.
Regarding the depth of field thing, rather than provide a technical explanation, please try this with a manual aperture lens and it will make a lot more sense. The f-stop the camera is reading is relative, not actual.
I try to stay away from the technical explanations and just do a more real world explanation, and what you can do to make it look practically the same as full frame.
@@GriffinConway If you use a manual aperture lens and set both to the same F or T stop, they should have the identical depth of field. The speedboosted one will be one stop brighter, though.
@@justoutofframe5146 yep I am aware of that. In the video I was using a canon 50 1.2L and it "converts" the f stop in camera for you so it might come off as confusing for some
@@GriffinConway To be exact it converts light gathered rather than F-stops to be exact. it's not good to convert them since it's trying to do so from s35 pov.
Awesome rundown, thanks Griffin. Very surprised by the DOF thing, that's interesting. I've just picked up the C70 + 0.71x and I've been really impressed so far - specially with my CN-E lenses. My only real issue is the C70 keeps getting the buffer overflow issue when recording slow motion 120p. I'm using v90 Anglebird cards which are on the Canon verified list - do you mind me asking what cards you're using? I'm considering sending back the camera if I keep running into this issue which is a real shame because I love it apart from this issue!!
Awesome video dude, I would love to see a similar comparison at the base 800iso for both of these cameras to see if the c70 iso's cleaner than the c500mkii in any scenarios?
I think they both look good and unless you are a really looking for it, it would be hard to notice. Especially if it was a typical A cam / B cam setup where one is at an angle. Anyways, thanks for watching and checking the video out!
3:58 don't quote me but the reason for that difference in background blur is because of the sensor size. 50mm(lens) x 0.71 (speedbooster) x 1.6 (sensor crop) = 56.8mm lens F2 x 0.71 x 1.6 = f 2.272 full frame equivalent
hey, cool video about your exposure differences, this is because you used camera to control aperture and the speedbooster compensate the "boosted" aperture. so it's not reflecting the real aperture of the lens if you use a manual lens, stuck on f2.8, you should have a close result with speedboosted c70 and C500, then see more blury DOF with booster than without cheers
By what you are saying that stop you get is just a compensation for the sensor equivalence. So a .9 with the speed booster is exactly the same as 1.2 on FF. I would love for you to rent an Fx6 and test it as a Canon user.
How sharp and detailed is the 1080P video from the 1DX III??? I know that the 1080P from the mark II is rather soft...and I don’t like it. Can you do a video talking about the video sharpness/detail from the 1DX III against the 4K video from the Mark II? Thank you very much!!
The speedbooster adds 1 stop of light and the camera compensates te number of the f stop for it so when it says 2.0 the it is actually 2.8 only one stop brighter. So that is why the depth of field matches when you open up 1 more f stop. But to really compare you have to set the fstop 1 step brighter since it’s actually the same. The extra stop of light is one off the benefits of a speedbooster.
As a Komodo owner currently figuring out the best rigging options, I would love to see how the Komodo works with the speedbooster. Im going between PL cine glass or a speedbooster and FF EF glass. For about 2 years I shot exclusively with the GH5, Metabones speedbooster and the sigma 18-35 F1.8 and it was great. I'd like to see if the AF works on the komodo, also can you try some more tricky lighting situations please? This highlights lens issues :)
Bro nice comparison but speed boosters only gives you full frame field of view bit It will still behave as a crop sensor. Also now you have one more stop of light because of the speed booster you will need to be at 1.4 to get the same depth as the as 2.8 on a full frame.
Great video. Thank you for sharing. I think the issue with the depth of field appears to be because the lens was wide open on the c500 and stopped down on the c70 to compensate for the added light from compressing the image on the speed booster so even though the image was close to the same exposure, the smaller aperture of the c70 was giving you a wider depth of field. Since the sensors are not the same size there is no perfect “apples to apples” comparison but if you want to compare bokeh you would want to make sure both lenses are wide open and adjust exposure through ISO or ND.
The dof was deeper cause you closed the aperture of the lens to match the reading on camera but that number relates to light not the opening of the lens
HOLY CRAP the COLOR and DOF are so different! I did not expect that al all! WOW what the heck is going on with the C500 mkii it looks amazing! The c300 mkii/C70 looks awesome but wow when you put both side by side the difference is Very obvious! wtf?
Stop it with the hyperbole. The difference is notifiable (side-by-side) but hardly "very obvious." It not something I'd interchange shot to shot, but definitely possible from scene to scene.
@@krane15 Perhaps YOU don't notice it but I definitely do. I've been a cameraman since 2000 and worked at a post house doing color timing for since 2012. I definitely notice it and anyone with color timing experience can. Maybe not 1000% difference but I'd easily say 20-30% difference in color, tonality, and texture. And remember these are higher end prosumer/ professional cameras so if you don't notice a difference then lucky you👍 my clients, the higher end ones, definitely would call me and let me know. Again this ain't your $1000 camcorder or DSLR comparison so.. I don't think I'm out of line🤷🏻♂️I stand by my previous statement but hey to each their own☺️👍
I'm using the speedbooster on my Komodo, and it seems the aperture number still remains the same. Not really sure how Canon speedbooster works, but I think both cameras need firmware updates for this. Base on my experiences of using MB speedbooster for FS7 and Bmpcc4, the aperture will have 1 more stop faster and allows you to set the aperture at F2 while you use the F2.8 lens. So technically the speedbooster will not affect the DOF, and it only gives you a wider view and faster aperture. For example, 24mm F2 & speedbooster on S35 C70 will match up with the 24mm F2.8 on Full frame C500II, but 1 stop brighter.
You're comparing the same f-stop at two different sensor sizes so the DOF will always be different. The whole point of the speedbooster is that it makes any F-stop on the lens one stop faster. If you want to treat the camera+speedbooster as FF with an FF lens then you have to add 1 stop to the lens aperture readout. When you compare c70+sb f1.4 to c500ii f1.4, you're comparing the lens stopped down 1 stop on the c70 compared to the c500ii. Imagine that the lens image circle and projected image is constant and independent of the sensor, if you compare the lens stopped down 1 stop vs wide open, even if there is no camera connected, that image the lens projects will have 1 stop deeper depth of field.
@@richrollin4867 Exactly. Though even at the same physical aperture opening eg wide open, theoretically the speedbooster should give you a bit more shallow depth of field because you are squeezing a FF onto a crop.
Was super excited to get my 0.71x canon booster. Arrived today and will be going back to RF lenses. I used the 24-105 Ef ii and the autofocus motor was being picked up by the rode mic I had on top. Any point in keeping the speed booster for manual lenses? Just the extra light and wider field of view with manual lenses I guess?
Yes Griffin! I’ve got them both too and curious to see what your findings are. P.s. Youre channel is for sure the best place for Canon content. Hands down!! These videos you do are very well made, professional and always informative. Please keep it going. Great stuff. Cheers! Hope you reach your goals in 2021!
In my opinion...c70 with EF glass is better because you have more control over depth of field, and you can use cheaper glass that is more readily available at this point in time.
Hey Griffin, any chance you have info recording RAW on a C200 using a SSD drive? The Cfast cards are crazy expensive and I understand this could be a viable workaround. Great video by the way. THX!
Hey Griffin Thank you for doing this tests... Image looks really nice! My question is, if all settings are exactly the same, shouldn't the C70 with the speed booster be almost a stop brighter than the C500 MKII? I don't have any experience with speed booster, but I would have thought DOF would be the same at same aperture and distance to subject, so you would need an ND .3 filter to off set or near off set the image exposure or you could adjust down the ISO. This is how I would expect on a manual lens. Now I have another question, LOL. Is canon actually showing you in the menus .9 as the aperture? If so that could explain the difference in DOF from same aperture. Weird.
I think canon makes the adjustment for you. To put it simply: if you open a 50 1.2 wide open on the c500 mark ii next to that very same lens on the c70 and open it wide open to .9, they will look the same but the c70 will be 1 stop brighter
@@GriffinConway Copy that! My adapter shipped and should arrive tomorrow... I am interested to see what you are saying! I appreciate the response! Good stuff!
Hey Griffin, I just put my Canon 50mm 1.2 L on my C70 and the aperture full open shows 1.2 as on other bodies... I thought you were saying that your C70 camera shows .9 as wide open on your C70 LCD? Sorry if I missed something.
Great video. Very interested in the komodo test since the komodo sensor size is effectively a 1.33 crop. 1.33 x .71 = .944. Curious how much more wide this seems when comparing directly to a full frame sensor.
I’m still waiting for my adapter however it seems canon is showing you the equivalent f stop, rather than the actual opening of the lens. So while it was reading 2.8 for both tests, the lens was actually stopped down further on the C70 in order to give the amount of light and DOF you would be expecting without the speed booster.
Theoretically the DOF and focal length should be much much closer if you simply had the same lens at their most wide open, and then count stops down from there.
Exactly what I was going to write haha awesome video, Griffin!
Thanks Jesse! My brain was breaking trying to figure out how the speedbooster could *increase* DOF with an equivalent f stop, focal length and distance from subject, but this explanation makes so much sense. I don't think showing equivalent f-stop is good practice...seems pretty confusing.
Exactly.
What Jesse said!
Exactly. For a real 1-to-1 here, you have to have the C70 at 1 stop lower at all times. That's what the speedbooster does to begin with.
This is great Griffin! So I think what is happening with the speedbooster is effecting how the aperture values appear. One thing to note is the an F 0.9 setting on the C70 with the speedbooster is equivalent to the F 1.2 on the C500 Mark II. The numbers change because Canon (and Sony for that matter) felt that speedboosters should provide the equivalent aperture settings or put another way, show you that the speed boosters are converting the lens in use to a +1 stop version. So with the speedbooster combined with the 50mm F1.2 used on the C70 you get approximately a 50mm F0.85 Aperture lens (rounded to 0.9) on a crop sensor. I wish they would just adjust the aperture to read out the lenses in their full frame equivalent so you can match to other full frame cameras, but instead the apply the math accurately and read out the new calculated aperture factoring in the size of the sensor in use. So when you set the aperture to 0.9 on the 50mm on the C70 with the speedbooster you are setting the f1.2 50mm lens to the same wide open setting as you are when the 50mm is on the C500.
Glad you liked it! Thanks for watching. I agree it was a little confusing but after this test it seems pretty straight forward to me now
Definitely would love to see a KOMODO+speed booster test, as that's a combo I'm really eager to get :D
Nice! Ill try to get that done in the next few weeks!
@@GriffinConway Cheers! And keep up the good work and amazing content! ;)
@@GriffinConway is a little to the United of the m
@@GriffinConway vocas-0900-0034-eos-r-0-71x-adapter-komodo You should get this one
Hey Griffin, really like your presentation style. DIrect, honest, and down to earth. Thanks for keeping it real and relaxed.
Would love to see a functionality test with the Komodo and this or the metabones booster :)
Cool! I will try to get that test done
comodo... red use c100 canon in comodo
I’ve had the camera and booster for nearly 18 months and I still enjoyed this video. Thanks.
Thank you!
Do you have problem with famous "purple circle"? I can not find the enough information about it, as no one realy tested it with vatiety of focal lenght, matte box etc?
DEF INTIERESTED IN SEEIN GIT ON THE KOMDO!
Im interested in testing this soon. Seems a lot of people are interested. Thanks for watching.
Love this channel - as a small team (2) and using Canon and Leica your advice and reviews are impeccable. Will be buying a C70 mainly because of you reviews. Many thanks.
I think the C70 with speedbooster gives you a reading of the aperture based on the compensation for the extra stop of light. Meaning F2.0 is not really F2 but it´s F2.8. You should do the same test with manual aperture to confirm this
I think you are correct
I have a BMPCC4K with metabones speedbooster and it does this. The camera does the conversion to say what equivalent f-stop would be. I think this would explain the difference in depth of field you were seeing.
@@benbigelow4651 Yes me too.
@@Pierluca72 yes in terms of light but not in terms of depth of field
@@shzammpatapon9865 at same aperture (not what the camera says but same position of the actual iris blade) the dof is identical, only the native is cropped compared to the one with focal reducer. Now if you want to move the camera with focal reducer closer to the subject and reframe so that you get a similar field of view to the native, then it's not comparable anymore and obviously you get shallower dof by moving the camera closer
Thanks for the comparison. Just got mine in the mail yesterday and need to start testing it.
Awesome stoked to watch your content on it
Definitely curious to know how the speedbooster works on the Komodo. Currently deciding between getting the Komodo or keeping my C70.
interested for sure!
Great! I will try to make it happen
Honestly man, I would keep the c70. What benefits are you hoping to get from a komodo? If you are not happy with the image of the c70 the komodo will not be much better
@@jordantimothy97 2 month old post but yeah, I ended up cancelling the Komodo preorder. Too many quirks I can't ignore - like the long boot-up time and the protruding batteries.
@@JervyHou I’m torn between moving over to Sony or getting the C70 (coming from BlackMagic so current lens kit isn’t a deciding factor)
The reason I’m debating is because I’ve never been in love with Sony’s color science. Thoughts?
I actually canceled my FX3 order because I’m still undecided.
Great work. when you have time can you do a dynamic range comparison between the C500ii and C70, Highlights and shadows.
If there is enough interest I will do a full comparison like my other comparisons on my channel. I usually do polls on my community tab to get a feel for what would be interesting to most people. Thanks for watching!
Great video bro. Always informative. I'm still waiting for C70 vs 1dx mark iii.
I'm working on it! Thanks for watching!
Awesome video dude!!! That booster+c70 combo looks awesome.
Totally! Pretty stoked on it! Thanks for watching Ty!
Thanks for telling the world that the AF does in fact work with lenses other than the three canon originally mentioned. This pretty much solidified my purchase.
Awesome breakdown! Glad I found your channel a few weeks ago. Debating on investing in the c70 now that I’m doing more video shoots and becoming a big part of my business. currently on a 5d4 since I was primarily a photographer
Note to Self: Use a lint roller on your hat before filming 😂 also, 2:45 should say f/2.8, iso 6400 on both cameras (sorry about that!)
Thanks for that video. Just received my C70 so any info on how other people are getting on with it is very welcome. Keep up the good work!
Yes, Komodo test, please. Great video-straightforward, short and clear. Keep them coming.
Hey Griffin, great video. Depth of field is kind of fascinating isn’t it? The reason your lens matches at f/2 on the C70 and f/2.8 on the C500 II is because that is when your lens is stopped down to the same physical aperture size.
The speed booster is simply compressing the image circle projected by the lens on to the sensor. At f/2.8 on the C500, the lens is stopped down to f/2.8 internally. If you took this same lens configuration and put it on the speed booster it would become f/2 due to the reduction in focal length. But the image is still the same. This means if you have a 50mm f/2.8 it becomes a 35mm f/2 (both of these keep the same 17.7mm physical aperture) but you end up with the same framing between the two cameras because of the smaller sensor on the C70.
When you stop down to the same aperture of f/2.8 on both cameras you end up with a 50mm f/2.8 setting with a 17.7mm aperture on the C500, and a 35mm f/2.8 setting with a 12.5mm aperture on the C70 with speed booster. Smaller physical apertures = higher depth of field.
So what you observed is absolutely correct! You have to open the aperture one additional stop to match depth of field (and light collection) with the speed booster. If you stop them down to the same aperture you’re eliminating the advantage of the speed booster. You should always use 1 stop wider aperture and 1 stop lower ISO setting when possible to achieve full frame equivalent noise and depth of field.
Ya it is interesting for sure! It was fun to test this for myself and see it in the real world. Thanks for watching!
Really great stuff. I’ve been a Canon shooter for years and this is one of the most useful series I’ve found. I can tell you’re out there working and living with the gear. Thank you!
Hey Griffin, thanks for the video. Would love to see a test with the Komodo!
Really appreciate all the C70 insights. Looking hard at this camera.
It would be amazing if you do a video testing the Canon 0.71x speedboster on the Red Komodo. Specially showing how the autofocus works with canon L series glass + Canon Speedbooster.
Thanks for the content Griffin! Cheers from Barcelona
Thanks for watching! I love Barcelona, I visited there about 10 years ago. I will try to do the komodo test in the future!
woah what a quality! I am glad RUclips recommended me this video.
great stuff Griffin.
Thank you for the video, my Speed Booster will be here tomorrow and I was happy to see your test. Now I feel confident that I did the right thing and will start using it in my work.
You should move your C70 closer to the subject when using a speedbooster in order to get a similar frame composition, which will make the C70 and C500 ii have a similar DOF.
Hey bro great to see you again. Hope you had a great Christmas and just wanted to wish you a very Happy New year and may 2021 bring you much success, joy and happiness. Stay safe and catch up again real soon.
Great work! I'd personally love to see the Komodo tests, too.
Great! Ill keep that in mind. Thanks!
Been waiting for this review!!!
Thanks for watching Justin!
almost watched all your videos about the c70 very good content love how you explain stuff
Great video! Thanks for all of your content. I just got the C70 and you’re helping me out a lot. Keep it going!
I'd love an in-depth dynamic range comparison between the c500, c70 + speedbooster, c70 no speedbooster, and Komodo 🤟🏽🎥
I will try to get some of those tests done!
You have to apply the crop factor to the aperture too. 1:1 even at the same aperture settings, with a focal reducer in between it will be a different DOF.
Great Job Griffin
I was really waiting for this test
I think your reviews are among the best
Man I brought C200 watching you. I brought C70 watching you. I brought Mount Adapter watching you and now I sold C200...:-). You do great videos.
Haha that’s awesome! How are they working for you so far?
@@GriffinConway I sold the C200. I upgraded to the C70. The C70 form factor is much easier to travel with and with the exposure tool like false color it makes nailing exposure a breeze. No more need to RAW. I can travel with C70 and DJI Ronin SC 2 and a few lens all in a backpack. Love it man. Keep the videos coming.
Thanks Griffin for your video. I would love to see the speed booster on the Komodo
Awesome thanks! Will try to make that happen!
@@GriffinConway that would be awesome. Since the Komodo has a slightly bigger Sensor Than the c70 I’m wondering if ff lenses will cause vignetting. When I’m doing the math correctly the Komodo will get a 0.9x FOV which is wider than FF. I really appreciate the work you’re doing keep it up
I would be very interested in a sharpness/optical degradation comparison between full frame and speedboosted c70. Normally with speedboosters (especially cheaper ones) your loose some image quality (most noticable wide open on the edges). I would be interested how good canon's adapter-optics are made.
Yessir! Great stuff. Yea with the field of view increasing, It's so interesting that it does increase DOF. Definitely looks like an amazing B cam to the c500II.
Totally agree! Such a good B cam at a great price point. Thanks for watching Keith!
Need that Komodo test ASAP! You’re content is straight forward and great!!
I am looking forward to when i can get the speedbooster for my c70.. can’t wait. :) Love the video!
The depth of field difference is because you stopped down the aperture instead of shooting both wide open. The reading on the screen is just the adjusted f stop because of the extra stop of light. So, the c70 will have the same depth of field as the c500ii, but one stop brighter.
Yep. I came to this same conclusion in the video
Hmmm, interesting. Outstanding, Griffin... I’m shamelessly still partial to the 1DXM3 and wondered how the speed booster’s depth of field change compared to full frame 1DXM3 AND the Komodo
Awesome review on the canon speedbooster!
Please do a video with the Komodo as well! 🙏🏼
Did you find the autofocus covered less of the frame when using the speedbooster? Great video by the way.
yes PLEASE do a video on the komodo + speed booster :)
Good video Griffin. One thing that I didn’t understand well is: do you get a shallower depth of fiend with the speed booster or the opposite?
Of course you have to open the speed boosted lens another stop to match the full-frame DOF. I would like to see a test of the 4k through the speed booster. Thanks
Speed booster is a focal reducer. Wider focal length means deeper DOF. And of course the c500 has a shallower DOF it’s a full frame sensor and the c70 is super35. Just because you use a focal reducer doesn’t change your sensor size.
Thanks for this video Griffin!
Your findings are exactly what my experience with the metabones were. Most people don’t agree but with depth of field I always multiple the f stop by the crop factor to get an idea of what the background separation will be in relation to full frame. I’m assuming your observation of more blur with the 50mm on the c70 with the adapter is just due to the fact that at that point it’s more like a 75mm. ALSO...how the hell did you get yours already?! Lol
I think we’re saying the same things but with different words. It seems to me canon is giving you the coal length and F Stop that most cinematographers would be used to. So they are treating a 35mm f1.8 as if it was actually a 25mm f1.1 (or whatever) instead of having you pretend it’s FF. Basically more seasoned and less tech forward people will appreciate this terminology, but for those who often shoot FF cameras and speed booster and such, it may seem bizarre.
@@JesseDriftwood okay, I gotcha. I’m so used to 1.5x-ing everything when thinking in super 35 terms I think I’ve just confused myself all over again lol. More of a mystery to me is when Canon’s supply chain will catch up with this adapter. Are we looking at spring for anyone that didn’t preorder upon announcement? Samy’s camera in LA told me they received 3 (3!!!) adapters in their initial shipment.
I think the terminology threw me off. Hopefully this video helps clear it up in a "real world practical" kind of way!
@@GriffinConway you totally did us all a favor man!
Nice job, Griff. I appreciate the analysis. I just received my C70 a couple of days ago and waiting to receive the speed booster. I have another adapter and have used the sigma 24mm lens on it and it autofocus seems to work the same as on my R5 and 1DX MK III.
Thank you for the video, it's really helpful. Please what SD card do you use for the C70?
So the conclusion of this video is that f2.0 on a Super 35 has a similar depth of field to f2.8 on a full frame. Glad to see that the reality lines up with the theory
Id love to see a Komodo + Speed booster test, Im torn between the C70 and the Komodo so videos like this helps a lot
Solid video! Funny until you mentioned it, forgot you only have 5k subs...just watch this thing is going to blow up quick with this quality! ....Also Delanie might help with that growth haha
Always appreciate the support Fraser! And I agree Delanie is a huge part of this channels growth!
The C500mk2 just looks real nice out the box... good vid
Thanks for watching!
Griffin Thanks a lot for doing is kind of tests I love this one.
Thanks for watching Pablo!
Really interested in the Komodo+adapter test. Sounds interesting.
Nice stuff, Griffin! Yet another useful review with personal thoughts about an exciting product. The potential of the 50mm 1.2 get's me excited.
Thanks for the support as always Christopher! Really appreciate it! An yes that 50 at .9 on the c70 is crazy!!!!
Perfect. The adapter gives FF depth of field one stop wider than the equivalient full frame setting, with that much more light. The C70 is better in shadow recovery, making it's dynamic range better than the Sony. Cuz going for lower exposure is never a problem. But shooting in a light starved setting is pretty common. The down side of this camera for me is not having AF work in low light for dark skin. I find the C70 nicer thant the C500. I think you can make the C70 look like the C500 pretty easily with some de-saturation and white balance adjustments. But making the C500 look like the C70 a challenge I would like to see. Given that you can do a lot in post, I presume it can be done, the question is when does it start to fall appart? And going the other way, if you want that C500 cinematic look, is the corrected C70 as pushable as the C500? Over all I am super impressed with the smoothness of the mid tones on both.
You always get one stop more light and bokeh with speed boosters because you’re concentrating the full frame light into a smaller sensor which intensifies it and bumps the blur. Same with the older Metabones ones. Only issue with some is that they compromise the image quality- this one seems to be high quality and Canon claims it even helps reduce c.a. fringing.
I am aware of this. Canon adjusts the metadata to account for this so the overall exposure remains the same
@@GriffinConway We'd love to see this reviewed with the Komodo- That would make Komodo really compelling indeed at that price!
Regarding the depth of field thing, rather than provide a technical explanation, please try this with a manual aperture lens and it will make a lot more sense. The f-stop the camera is reading is relative, not actual.
I try to stay away from the technical explanations and just do a more real world explanation, and what you can do to make it look practically the same as full frame.
@@GriffinConway If you use a manual aperture lens and set both to the same F or T stop, they should have the identical depth of field. The speedboosted one will be one stop brighter, though.
@@justoutofframe5146 yep I am aware of that. In the video I was using a canon 50 1.2L and it "converts" the f stop in camera for you so it might come off as confusing for some
@@GriffinConway Oh ok, I was just saying the same thing.
@@GriffinConway To be exact it converts light gathered rather than F-stops to be exact. it's not good to convert them since it's trying to do so from s35 pov.
Amazing video!
There is a possibility to implement that speedbooster to the C200?
I wish but I don’t think that’s possible because it’s EF mount
Great video! Definitely interested in a Red Komodo + Speedbooster video!
Great! Keep an eye on the channel and I will get it done in the next few weeks!
Would be have to see a speed booster on the Red! Exciting times in the gear world.
Awesome rundown, thanks Griffin. Very surprised by the DOF thing, that's interesting. I've just picked up the C70 + 0.71x and I've been really impressed so far - specially with my CN-E lenses. My only real issue is the C70 keeps getting the buffer overflow issue when recording slow motion 120p. I'm using v90 Anglebird cards which are on the Canon verified list - do you mind me asking what cards you're using? I'm considering sending back the camera if I keep running into this issue which is a real shame because I love it apart from this issue!!
I use all Sandisk and they work great www.bhphotovideo.com/c/product/1617741-REG/sandisk_sdsdxdk_128g_ancin_128gb_extreme_pro_uhs_ii.html
@@GriffinConway Great, thanks mate for the reply, I'll pick some up :)
Thank you for doing the test. Was waiting for that! Is there any noticeable loss of sharpness when using the speed booster compared with the C500 m2?
There is none that I can notice...although the 6k sensor in the c500 mark ii is sharper overall than the c70
Awesome video dude, I would love to see a similar comparison at the base 800iso for both of these cameras to see if the c70 iso's cleaner than the c500mkii in any scenarios?
Solid comparison! While it can easily be adjusted of course, I think I like the native magenta shift on the C70 vs. the green on the C500 Mk II.
I think they both look good and unless you are a really looking for it, it would be hard to notice. Especially if it was a typical A cam / B cam setup where one is at an angle. Anyways, thanks for watching and checking the video out!
It would be great to do the speed booster with the Komodo. Very good job. Thanks.
3:58 don't quote me but the reason for that difference in background blur is because of the sensor size. 50mm(lens) x 0.71 (speedbooster) x 1.6 (sensor crop) = 56.8mm lens
F2 x 0.71 x 1.6 = f 2.272 full frame equivalent
hey, cool video
about your exposure differences, this is because you used camera to control aperture and the speedbooster compensate the "boosted" aperture. so it's not reflecting the real aperture of the lens
if you use a manual lens, stuck on f2.8, you should have a close result with speedboosted c70 and C500, then see more blury DOF with booster than without
cheers
By what you are saying that stop you get is just a compensation for the sensor equivalence. So a .9 with the speed booster is exactly the same as 1.2 on FF. I would love for you to rent an Fx6 and test it as a Canon user.
Yes exactly a .9 on the c70 will look like. a 1.2 on the c500. I will keep that in mind about the fx6!
Would definitely like to see the speed booster test with Komodo
Definitely want a Komodo vs C70 with the speed booster
How sharp and detailed is the 1080P video from the 1DX III???
I know that the 1080P from the mark II is rather soft...and I don’t like it.
Can you do a video talking about the video sharpness/detail from the 1DX III against the 4K video from the Mark II?
Thank you very much!!
I think the 1080p is pretty good out of the 1dx iii.
Great video, very helpful :)
The speedbooster adds 1 stop of light and the camera compensates te number of the f stop for it so when it says 2.0 the it is actually 2.8 only one stop brighter. So that is why the depth of field matches when you open up 1 more f stop. But to really compare you have to set the fstop 1 step brighter since it’s actually the same. The extra stop of light is one off the benefits of a speedbooster.
More tests with the komodo and speedbooster! loved the video!
More to come!! Thanks for watching!
As a Komodo owner currently figuring out the best rigging options, I would love to see how the Komodo works with the speedbooster. Im going between PL cine glass or a speedbooster and FF EF glass. For about 2 years I shot exclusively with the GH5, Metabones speedbooster and the sigma 18-35 F1.8 and it was great. I'd like to see if the AF works on the komodo, also can you try some more tricky lighting situations please? This highlights lens issues :)
Bro nice comparison but speed boosters only gives you full frame field of view bit It will still behave as a crop sensor. Also now you have one more stop of light because of the speed booster you will need to be at 1.4 to get the same depth as the as 2.8 on a full frame.
Great video. Thank you for sharing. I think the issue with the depth of field appears to be because the lens was wide open on the c500 and stopped down on the c70 to compensate for the added light from compressing the image on the speed booster so even though the image was close to the same exposure, the smaller aperture of the c70 was giving you a wider depth of field. Since the sensors are not the same size there is no perfect “apples to apples” comparison but if you want to compare bokeh you would want to make sure both lenses are wide open and adjust exposure through ISO or ND.
Yep, that is basically the same conclusion I came to in the video as well. Thanks for watching!
The dof was deeper cause you closed the aperture of the lens to match the reading on camera but that number relates to light not the opening of the lens
HOLY CRAP the COLOR and DOF are so different! I did not expect that al all! WOW what the heck is going on with the C500 mkii it looks amazing! The c300 mkii/C70 looks awesome but wow when you put both side by side the difference is Very obvious! wtf?
Stop it with the hyperbole. The difference is notifiable (side-by-side) but hardly "very obvious." It not something I'd interchange shot to shot, but definitely possible from scene to scene.
@@krane15
Perhaps YOU don't notice it but I definitely do. I've been a cameraman since 2000 and worked at a post house doing color timing for since 2012. I definitely notice it and anyone with color timing experience can. Maybe not 1000% difference but I'd easily say 20-30% difference in color, tonality, and texture. And remember these are higher end prosumer/ professional cameras so if you don't notice a difference then lucky you👍 my clients, the higher end ones, definitely would call me and let me know. Again this ain't your $1000 camcorder or DSLR comparison so.. I don't think I'm out of line🤷🏻♂️I stand by my previous statement but hey to each their own☺️👍
Love your videos Griffin!
I'm using the speedbooster on my Komodo, and it seems the aperture number still remains the same. Not really sure how Canon speedbooster works, but I think both cameras need firmware updates for this.
Base on my experiences of using MB speedbooster for FS7 and Bmpcc4, the aperture will have 1 more stop faster and allows you to set the aperture at F2 while you use the F2.8 lens. So technically the speedbooster will not affect the DOF, and it only gives you a wider view and faster aperture. For example, 24mm F2 & speedbooster on S35 C70 will match up with the 24mm F2.8 on Full frame C500II, but 1 stop brighter.
It would be great to see a speedbooster test with the komodo!
The komodo test would be lovely
Definitely need to see this test on Komodo
I will try to make that happen!
You're comparing the same f-stop at two different sensor sizes so the DOF will always be different. The whole point of the speedbooster is that it makes any F-stop on the lens one stop faster. If you want to treat the camera+speedbooster as FF with an FF lens then you have to add 1 stop to the lens aperture readout. When you compare c70+sb f1.4 to c500ii f1.4, you're comparing the lens stopped down 1 stop on the c70 compared to the c500ii. Imagine that the lens image circle and projected image is constant and independent of the sensor, if you compare the lens stopped down 1 stop vs wide open, even if there is no camera connected, that image the lens projects will have 1 stop deeper depth of field.
@@richrollin4867 Exactly. Though even at the same physical aperture opening eg wide open, theoretically the speedbooster should give you a bit more shallow depth of field because you are squeezing a FF onto a crop.
3:34 Hang on, you're NOT a scientist? Why the hell am I watching this then!?! ;) Great job Griffin, love your content.
Was super excited to get my 0.71x canon booster. Arrived today and will be going back to RF lenses. I used the 24-105 Ef ii and the autofocus motor was being picked up by the rode mic I had on top.
Any point in keeping the speed booster for manual lenses? Just the extra light and wider field of view with manual lenses I guess?
That was perfect. Please do that test with the Komodo!
Thanks for watching! Seems like there is a lot of interest there so I will try to make that happen
been waiting for the 1dx and c70 review
Same here meeenh...
samee
This one is coming next guys! Thanks for showing interest. Stoked to work on this one!
Yes Griffin! I’ve got them both too and curious to see what your findings are.
P.s. Youre channel is for sure the best place for Canon content. Hands down!! These videos you do are very well made, professional and always informative. Please keep it going. Great stuff. Cheers!
Hope you reach your goals in 2021!
@@rikihifi thank you!
So in your opinion which do you think is a better combination and why:
C70 with RF glass or C70 with EF glass and the speed-booster? Thanks
In my opinion...c70 with EF glass is better because you have more control over depth of field, and you can use cheaper glass that is more readily available at this point in time.
@@GriffinConway thanks
Hey Griffin, any chance you have info recording RAW on a C200 using a SSD drive? The Cfast cards are crazy expensive and I understand this could be a viable workaround. Great video by the way. THX!
Hey Griffin Thank you for doing this tests... Image looks really nice! My question is, if all settings are exactly the same, shouldn't the C70 with the speed booster be almost a stop brighter than the C500 MKII? I don't have any experience with speed booster, but I would have thought DOF would be the same at same aperture and distance to subject, so you would need an ND .3 filter to off set or near off set the image exposure or you could adjust down the ISO. This is how I would expect on a manual lens. Now I have another question, LOL. Is canon actually showing you in the menus .9 as the aperture? If so that could explain the difference in DOF from same aperture. Weird.
I think canon makes the adjustment for you. To put it simply: if you open a 50 1.2 wide open on the c500 mark ii next to that very same lens on the c70 and open it wide open to .9, they will look the same but the c70 will be 1 stop brighter
@@GriffinConway Copy that! My adapter shipped and should arrive tomorrow... I am interested to see what you are saying! I appreciate the response! Good stuff!
Hey Griffin, I just put my Canon 50mm 1.2 L on my C70 and the aperture full open shows 1.2 as on other bodies... I thought you were saying that your C70 camera shows .9 as wide open on your C70 LCD? Sorry if I missed something.
@@christophermcguinness weird! On mine it shows .9 fully open. I actually show the screen at one point in the video showing the .9 reading
@@GriffinConway Weird. My camera did boot and warned me that some functions different or such.
Great video. Very interested in the komodo test since the komodo sensor size is effectively a 1.33 crop. 1.33 x .71 = .944. Curious how much more wide this seems when comparing directly to a full frame sensor.
Good job man