Sony a9 III: Sensor Testing
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- Опубликовано: 5 июн 2024
- Testing the Sony a9 III for dynamic range, noise, and high iso performance, and discussing its pros and cons as a video camera.
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Testing the Sony a9 III for dynamic range, noise, and high iso performance, and discussing its pros and cons as a video camera.
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Table of Contents:
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0:00 - Intro & Disclosure
0:51 - Build & Ergonomics
1:32 - Video Features
2:42 - Dynamic Range
4:20 - Dual Native ISO?
5:38 - 4K120
6:01 - ISO Range
7:10 - Noise
10:06 - Overheating & Battery Life
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#sonyalpha #camerareview #sonya9iii 
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That intro comment was very original and surprisingly funny
That’s exactly what I was thinking
Ya quite impressed 👏
It really wasn’t though.
Kudos to whoever came up with that
Thank you!
Your tests and reviews are SO good. I can't quantify how much I've learned from you over the last few years.
What I really want to see in a final review is how it stacks up against the Z8. Higher res, internal RAW, a mount with a lot of lenses that perform great for video, and 60% the cost for the body.
Thanks for making this quick video. You answered the main question everyone has been wondering: how does global shutter effect dynamic range in the next generation of sony cameras? Luckily, it doesn't seem to take as big of hit as I thought it would, it just takes some extra steps to get there. Given this does seem like a photo first camera, I'm really excited to see how sony will implement Global Shutter in their videocentric products moving forward.
@@GrenlandUnderVann daily life of a paraplegic unicyclist in NYC vlogging Alexa 35 setup video coming soon
same
@@GrenlandUnderVannFor action photography? 😅
You are the main reason these camera companies are pushing for the best. There’s no way for me to find these test results on my own.
We all knew the global shutter came at a cost but I am surprised how minimal that cost really was. Looks like a great camera.
It costs $6k, and for video is GS really worth it over the fast scanning sensor in a Z8 that also does 4K120 AND 8K60 with RAW internal recording for “only” $4k?
@@1armbiker It depends. If you're already shooting Sony, it will cost more than the $2000 difference to switch systems. Not to mention ajustments in workflow, ergonomics...
If you don't have a camera (but who looks at a Z8 vs A9 III as their 1st camera) it is a consideration. And there are many more factors than the $2000 to take into account - lens choices and price, do you need/want 8k at all, do you need 120fps photos, do you need high-res photos, do you like the bulkier body or the smaller/lighter one... and surely there are more
@@houserhythm I doubt workflow is really all that different, especially if you use DaVinci Resolve's built in color space transforms. Lenses obviously matter.
@@1armbiker I think OP meant cost to image quality, not talking about monetary cost.
@@1armbiker 14ms rolling shutter on the Z8 isn't fast... it's the annoying middle ground too many cameras fall into... jello is still there and it still restrict what you can do. Get to around 10ms and anywhere below and there you have a fast readout speed where the effects of the RS will be minimal.
Love your camera reviews, they're probably the best on RUclips, detailed but concise. Thanks for the time and effort you put in them! And to answer your question, yeah I'd take the global shutter even if it's a bit noisier, either way it can be fixed during color correction.
Please make DR and Hi ISO Noise tests in RAW photo mode in comparison with other Sony cameras you have on hands.
He has already showed us what does noise reduction in post, a usual correction in photography when using raw files and also in camera processing jpeg images. Also DR from video does apply in photography from raw image (not easy to explain this comparison but is from Slog). So that is the quality of image from this A9III.
@@CSMoviePhoto he showed it in video Slog-3 files, not RAW photo files - it is very big difference. Slog-3 has 10 bit depth, RAW photo - 14 bit.
@@sadovski.pavel.photography14 bit is for colour. Luma values won't change much
@@sadovski.pavel.photography I mentioned is not easy to understand being a more technical discussion : A hypothetical 10-bit linear raw image has substantially less color fidelity where it counts than an all-other-factors-being-equal 10-bit log image. Linear Raw vs logarithmic Log is the same but works better in log (again more technical discussion) The S-log (for Sony) is applied for RAW and only the compression H264-H265 has some flows in processing the image, so again don't mix senselessly14bit linear RAW with 10bit S-log 😉
As long as the dynamic range is actually there, I'm totally fine with doing my own noise reduction. Especially with the AI advancements Divinci and Topaz have had in the last year or so. I'll take the sharper more detailed image 9 times out of 10. Reminds me of how the fx6 to prores raw has worse noise performance than the fx3 because the fx6 raw doesnt have the same internal noise reduction algorithm that the fx3/a7siii does. So this is totally useable to me. Make the a9iii my new primary, and have the fx30 as a bcam and zv-e1 as a lowlight broll cam.
Being that this is a first-gen sensor package, that is DAMN impressive.
I've been looking forward to this test for a long time! Very interesting results (and new outro)!
As someone who shoots mostly action design/stunt work which incorporates a lot of dynamic camera movement and fast moving subjects; I would more than happily accept some low light/processor functionality for the elimination of rolling shutter. The a9 iii is one of the most exciting new cameras for those of us in the stunt industry.
Everytime a video from Gerald drops I leave everything to watch it
These videos GU puts out are mind bending, so easy to watch, so informative and concise. Protect this man at all costs.
Something interesting and new i found in the Help guide is "Focus/Zoom preset".
Really looking forward to your future a9III content!
finally , I been waiting this video for so freaking long
Dope video as always, Gerald. Thanks!
top tier insights on gear, thanks Gerald!
Thanks Gerald.
Awesome video man! You answered every question I had about the dynamic range as well as confirmed some of my original thoughts. I shoot on the a7SIII and Alpha 1 and have/had no intention of ever switching to the A9 body. But, with Sony going to a global shutter on this camera they will surely make the switch to at least one of their more video centric cameras so it's definitely nice to keep up with the tech. With how low the rolling shutter is on both of my cameras as it sits I only see the global shutter as a marginal upgrade when it comes to video. However, the low light performance between my cameras vs the A9 III seems to still be where the gap is. Then again, we all know Sony will make it better over time so it's just another thing for me to get excited about in the future! Anyways I'm just waiting to see them fulfill their commitment to giving me my firmware updates they promised! Hahahaha even though I'm fairly certain my recording will be no different afterwards... it's just the follow through at this point!
DUUUUUUUDE I have been waiting for this!!!!!!!! Let’s goooooo
Been waiting for this one.
I’ve been waiting for this!
The audio is so good it bipasses the hear drum and is injected in the brain directly😊
Great video review as always! Looks like the DR will be good enough for who will need to eliminate rolling shutter. For its maximum shooting speed though, will it max out the buffer quick in the product version?
It's even more expensive than the a9iii and much less versatile, but I'm wondering how the Red Komodo-X fares in dynamic range compared to the a9iii. It also has a global sensor, similar video rates, and CineD hasn't done a xyla evaluation of it yet. In an area the size of Toronto, it should be easier to borrow one for a day.
The Komodo-X is a Super35 sensor though, not full frame.
@@spdcrzy Although it is not a global shutter sensor, CineD measured the Alexa 35 to have more than 15.3 stops and is also a Super35 sensor (although it barely more than 4K and consequently has a tiny bit larger pixel pitch than the a9iii - 6.075 micron for the arri vs 5.93 for the sony)
@@KeithSklower the Komodo-X and the Alexa 35 aren't even on the same playing field lol.
Can't wait to see you do the Burano!
Great as always 👏
Thanks, I think that's the main thing everyone was curious about. Looking forward to the full review. Also, is Panasonic getting you a G9 II to review?
Awesome Gerald, thanks for that, I'd love to grab an A9iii when it's ready for market. Just hearing how the battery lasted over two hours in 4K took me back to '96 in my TV college days, we used to have to wear very heavy battery belts to power our ENG cameras and the 3/4" tapes were the size of hard-cover books and were only capable of 20 minutes at the equivalent of 480p. Things are getting much better, cheers!
thanks for the vid dude, love your indeep stuff.
Would love the global shutter for flash photography. As an underwater photographer 90% of what I do is with strobes. Currently the a7iii is limited to 1/200th of a second. Being able to bring this up would be helpful for capturing fast moving critters.
Very interesting results and video 🤍
A tip, get Padcaster Josh Apter in your studio clearing up things! Wildfire at the kickstarter campain
lol, I don't think that's going to happen at this rate.
Um Gerald gotta say really nice desk!!! good aesthetics there!!
Gerald you are the best!
informative video Thanks.
Thanks for making this video
Thanks dude! Well done!
Thanks for all your work Gerald!. It would be awesome if you make a video comparing external recording pro res-raw on the Sony A7IV and A9III and observing the noise results and dynamic range comparisons!
i believe the A7IV does not support Raw video output
@@kysus3284 it doesn't unfortunately, I own one
Happy New Year, Gerald. Just wondering if purchasing this instead of the Canon R5C or Sony alpha1.
Always the best!
Super impressive, and especially in light of recent advances in NR, seems like a win win for this global shutter. As it gets better can't wait to see it in every line!
I really appreciate the work you do I've been bouncing back and forth between either getting the Sony FX3 the a93 or just getting a second a74
Another great review, thanks! Can you test out composite raw shooting?
Please Gerald, do a indepht test of the Lumix G9II .. no one in the internet tested the new Sensor like you do!
Well done Gerald. Thanks for the test.
I have some doubts, does the A9 III's Super 35mm support 4K? Is its Super 35mm 4K 120fps a different pixel-to-pixel output than the pixel-binning full-frame 4K 120fps?
Are you doing a full review of the camera? I'm dying to preorder it.
The video we've been waiting for😂
Good work ma'man
More than anything, I'm excited to FINALLY see 1/48th and 1/96th shutter options! :D This could be them getting the nuts and bolts in place to provide the shutter angle option in a future firmware update? Recently I attended InterBEE (the Japanese NAB equivalent) with my Canon R5C and stopped by the Sony booth. I looked at the FX3, made a point of asking "where's the option for shutter angle" to the rep, and let them dig through the menus to find it (of course I knew it wasn't there). I then pointed out the R5C's simple shutter angle option and asked them to pass it up to management that we filmmakers NEED it! Who knows, maybe they listened?! Thanks for a great review digging into what we all want to know about the a9III and DR :) Happy new year!
Sony cameras and major firmware updates is a good joke. But who knows, maybe they'll have a realisation at some point
Tell me, if you can figure out 1/48ss is the same as the 180deg shutter angle. Then why does it matter? It's like someone complaining they can't read kilometres vs miles. You just gotta learn and experience the speed to get accustomed to it for your needs
Even using 1/50ss is basically identical to using 180deg angle. Those 2 shutter speed over the 180deg is negligible for 95% of scenarios
@@JericTamayoThe main reason for the shutter angle option is that when you switch to high speed framerates (for slomo) it automatically handles the adjustment so you always have a 180° shutter. The reason for wanting 1/48th specifically is to avoid light flicker.
@@visceralpsyche im sorry to say, but to compensate on light flickers, you'll need to adjust the angle anyway, so the 180deg rule isn't fixed set on that angle. And if you were a true cameraman, you'd adjust toe shutter speed accordingly to get the 180deg.
@geraldundone. Hey man! really like these videos. Next to CVP and CineD you make the best reviews. The only thing I would add to your videos that would really showcase performance would be showing overs and unders. Xyla test only showcase so much information. But showing useable latitude is done by doing overs and unders. I do it with any camera I shoot with prior to a shoot. Anyway thank you again.
Sony A1 II - Can't wait 📸
I always prefer having the extra noise, as temporal noise reduction in Davinci Resolve is then able to extract more detail and dynamic range out of it.
I'm assuming you used standard (spatial) noise reduction in your test there, not temporal one right?
Excellent review, that answered some important questions. Seems the noise / DR penalty isn't as bad as feared.
Can you do some comparisons with the a1 if you plan to cover the a9iii again? I'm cross shopping those two cameras and would love a head to head with them.
For video and hybrid shooting, the Lumix S5 ii/iix, A7 IV are still the best option within their price range in the full-frame category.
Thank you for the testing and general information on this new FF global shutter A9III, performance is quite good considering its first generation status.
Sick looking camera.
Do you think they can get more stops out of the sensor in a potential successor of the FX3?
Maybe we‘ll get control over NR in camera
Gerald shutter angle is coming soon. I remember discovering that menu option in a firmware update of the original A9 (iirc 5.0) that was quickly replaced by Sony. So this is how long it takes for camera manufacturers to implement this kind of stuff.
Deleting rolling shutter is worth it. Im buying the moment it arrives at my country. Thanks for the video. Would be nice to see if it overheats in "webcam" mode while recording
Great review, Gerald! Would it be fair to say the iPhone 15 pro has a greater dynamic range than the A9, then? I know the A9 still beats the iPhone in everything else but stabilization.
I feel like this video interested you more than the norm, you seemed to perk up when talking about the "dual ISO" and the potential new nosie proicessing.
Great video, as always
Amazing content as always Gerald, thank you! Probably a dumb question I had while watching is if you were to go in and tweak the NR as you did for the A9iii at 8:40, what would be the absolute MAXIMUM scores you could pull out of both cameras on the medium standard? Just curious about that.
I mean if you maxed it out I imagine you could get insane DR, at the cost of extremely mushy and unusable footage lol
@@WestonNey3000 Maybe that's true. If Gerald was/is inclined to do that sort of investigation, he's exactly the perfect person to not only find out the actual answer, but to also make an interesting video about it! We can speculate endlessly, but Gerald could actually provide a concise, evidence backed answer. Maybe he already knows the answer(s) about it all. Lol
Very informative sir thank you. Please make detailed review upon the Nikon Zf too.
That’s not too much of a hit for global shutter! The fact that I could bring it back with some noise reduction in Resolve makes me think it would be a great camera!
Great job on the video Gerald! Thanks for making it. I'm glad someone touched on the ergonomics of the camera. I had the pre-production model in my hand and was surprised how much more comfortable it was.
Looking at CineD's DR results, a9III's 11.5 DR (before NR in post) is still pretty good and on par with Nikon Z9 (in both 8K Nlog and 4K PRORES 422) and the FX6, and better than Canon's R3/R5/R6.
To think the 45.7mp Z8/Z9 sensor gets 15.5 stops in DR but as you pointed out it has 12.5 stops DR in usable footage. Hats off to Nikon.
Build quality is mouthwatering tbh
Two thoughts:
1. How computationally expensive is processing every image to reduce noise before writing to the card, as we suspect the A7IV, etc is doing? Is it enough that at 120 frames per second it’s a limitation? If so I can imagine a desire to keep lower frame rates consistent to avoid “reduced dynamic range” at higher frame rates.
2. AI image processing is progressing so rapidly that having a less processed raw file to start with, giving the AI the most info/ options to work with, seems a fundamental advantage over processing in camera, and one that will grow in time.
I wonder if one or both of these impacted Sony’s thinking re internal processing?
Great video as usual.
Nicely done! Thanks for using a A7 IV in the comparison, I feel that is a very common and affordable camera.
Future ideas(for selfish reasons lol) Sony A7 IV in crop mode (4k 60 FPS) to the FX 30. Which is sharper & which has better dynamic range?
Regarding noise reduction, would you instead measure the dynamic range of the raw output feed which then would eliminate all noise reduction?
I'd be interested in seeing direct comparisons of the video between the A9III and, say, the A1. Action sequences, lots of motion. Regular good ol' daylight, low light, bright light.
I'm so invested in Sony glass, I have been waiting for Sony to come up with a global shutter camera. Thanks for your hard work...
Beautiful video as always!
Question! 🙋🏽♂️ so we are compromising, dynamic range, and more noisier image with the color shift at higher ISO? For a global shutter?
Also, I do recognize this is the first attempt at global shutter, so Sony’s not going to get it perfect like red. However, I think as a video first type of guy I think my FX6 and A7rV is just good of a combo!
I don’t know I was really thinking about pulling the trigger on this one for photos but it seems like the A1 still is the better all overall hybrid camera
Hi there Gerald Undone community. I'm searching for a youtuber channel I used to watch back in the day which I cant remember the name. It was a guy and his wife and usually worked with a close friend who is an actor. They usually made fiction content, vlogs and filmed high quality material for stock footage webs. I remember they making BTS videos about a fiction space production.
I mainly do video on the a1. Was considering switching to a93 because of the global shutter. Thoughts or advice?
A full stop difference in actual use is fairly significant for certain uses (like landscape, or low light event shooting). The tech seems like it's almost there, maybe another iteration or two.
Awesome & Thanks :)
Perfect présentation very good rythme of speaking.
Excellent video! Thanks Gerald. The compression artifacts on the purple background on this video in 4k seem worse than usual 0.o
What we been waiting for..
Gerald, I'm sticking to my FX30 for film/video work, but interested in this camera for stills. Will you be doing a look into the A9 III still image output?
that battery life is impressive!
I would have loved to see a comparison of the dynamic range in the RAW stills capture with other cameras. I think this camera was primarily marketed as a sports photography camera, and often times cameras can squeeze out more DR in stills than in video, due to a higher bit depth readout. (Plus stills dynamic range content with the xyla test chart doesn't exist anywhere else so it would be a good way to differentiate yourself from CineD)
If you need a way to debayer, one option is to convert to DNG and then debayer in Fusion Studio or in Resolve's "Blackmagic Design/Blackmagic Design Film" mode, optionally applying a CST to linear or whatever other log space you want. Not sure what xyla's software expects.
That's probably my favorite intro quote
9:25 Interesting! I wonder if the A9iii has less noise processing due to the higher speed nature of the imaging pipeline. Honestly it looks like the better image so I'd say at least at that ISO I'd prefer that.
Hi Gerald great video i have a Canon R5 and im thinking about getting a second camera body im thinking of getting the Sony A9 III or the Sony Ar7 V I like to shoot auto racing Landscape street photos and wildlife any thoughts which might be the best Sony camera for me ?
The simplest thing to compare the noise in video - record the PRORES RAW from sony A9 III vs sony A7S III. after processing in say, premiere pro, you will get from both camera the noisy video, before any internal (in-camera) noise reduction applied.
can you take look at a high end eng camera, like the Sony z750. ram course how it compares with a modern large format sensor. I have worked with z750, (as editor) it has massive dynamic range compare with other traditional eng camera
great review as always. actually, for me the resulting image after Resolve denoise process seemed better.
Well done Gerald. Thanks for the test and information. Really great to see the differences and comparison. I'm sure all the Sony and Global Shutter haters are still going to bit*h and complain about the A9iii. GS is here to stay and is the next advancement of camera tech. I'm excited and cannot wait for Sony's future cameras to all have GS. For everyone else, if you still love RS, then stick with it and stop complaining as well.
Nice video. Also which rock have been living under. I feel like the last time i saw a sony review the a7r4 was a thing?
Thank you :)
At first my heart sank when it looked liked the global shutter was going to cost us a stop. But when you matched the denoise and suddenly the DR numbers matched, all hope returned. That little gem of an idea is why you’re the GOAT for this stuff! I’d love to point both cams at a sunset and see some real world highlights next!
It will cost at least that one stop. There is no way around that
At this point in my life I’m a hybrid shooter for my day job. I own the original A9 and an FX3. I’ve wanted to upgrade the A9 to something that can match the SLOG3 and 10-bit color for a few reasons, but mainly so I can use the upgrade as a B cam when I’m shooting interviews in my freelance work. Despite the A7IV having an easier image out of camera, the photography aspects the body has at this current moment make it more attractive even at the price point.
I do think I will no longer need a photo camera however in a few months. If that’s the case, I’ll more than likely end up with a second FX3 body
I would be very curious if this type of sensor can capture the led walls as they are and not with the wrong colors
@Gerald Undone please compare the dynamic range with RED V-Raptor X that just came out with global shutter.
Wondering if the A1mk2 will build upon this with a higher MP sensor and less noise.