Sigma 40mm f/1.4 Art Lens for SONY Review - Is BIGGER Better?
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- Опубликовано: 13 июл 2024
- Review of Sigma's 40mm Art lens for Sony E-mount with comparison to the 35mm f/1.4 Art for sharpness & focus, and an explanation on how to read MTF charts.
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Table of Contents:
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0:00 - Intro
0:57 - What Are MTF Charts?
1:16 - How to Read MTF Charts using Sigma 35mm f/1.4 Art Lens
3:20 - The Sigma 40mm Has Absurdly Good MTF Charts
3:49 - Sharpness & Bokeh Comparison Images (40mm vs 35mm)
5:06 - Distortion and Chromatic Aberration Comparison
5:27 - Aperture Sweet Spot Check
6:00 - Sigma 40mm Real World Test (Detail Shots at Scrap Yard)
8:03 - Focus Breathing Comparison
8:35 - Autofocus Tests - Burst AF-C
9:44 - Video Autofocus Comparison
10:37 - Size & Weight Discussion
11:29 - Which Focal Length I Prefer: 35mm or 40mm FoV
11:51 - Positives About Its Size: Weather Sealed & Manual Focus
12:11 - Is Increased Sharpness Worth the Added Size & Weight?
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#sigma #cameralens #sonyalpha 
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Thanks for explaining MTF charts.
My pleasure. Cheers!
I bought this lens a few months ago. Reason? SHARPNESS across the frame is number 1 for me. This a great lens for ASTROPHOTOGRAPHY, PORTRAITS and Architectural Photography.
The combination of the straight face while saying "I'm Gerald Undone and I'm not wearing pants" was too much for me to keep my sip of coffee from trying to shoot through my nose! Thank you to the Gerald Undone fan that suggested that line. As for me....I'm wiping hot coffee off my keyboard!
EDIT: The cinematic theme and music choice are awesome. I think my favorite scene was the photography of the yellow dandelion looking weed. Beauty in an auto graveyard! So happy to be subbed, I love this stuff!
Mission accomplished. 😜
You are more than welcome!
The music was great. I was half expecting zombies to appear in the wrecking yard. Now that would have made for some memorable photos.
This may be one of your best episodes. Compiling your standard effortless breakdown of technical data with testing and real world shots really rounds out this review. Solid job sir.
Thanks a lot, Kyle! Really appreciate that.
Dang that's sharpWAIT IS GERALD OUTSIDE UNDER THE REAL SKY?
Green screen. Obviously.
😜👍
Finally somebody did that comparison! Waited so much. As an usual great work!!! Waiting for the next vid. Peace!
for this kind of performance, im surprised it doesnt cost more
it's better than the Otus for 1/3 of the price and it has AF!
Thanks for sharing your point of view!
It's sharper. Nothing else is better. Sharpness is highly overrated.
@@k2blades540 In your universe, maybe price and having AF doesn't matter, but that's like, just your opinion man.
@@k2blades540 So what is better about the Otus then? Sincere question here if I'm going to consider spending 3x as much money. Just when I hear people talk about the Otus, they always talk about how sharp it is. Sharpness seems to be the selling point for the Otus, so this seems to disrupt that in a big way.
@@k2blades540 the selling point of zeiss modern lens is sharpness. Take that away and what's left?
Great review of this lens. It was the perfect blend between the science and practical use of how most will use the lens. Thanks for continuing to put out great content, without needing 30 minutes to do so.
Thanks, Keith! Appreciate that. Cheers!
This is the most in-depth review I’ve seen!
Awesome stuff Gerold, keep um coming.
Thanks a lot, Paul! Really appreciate that. 😃🙏
Some of the best camera lens review work I've seen. Subbed!
Thanks so much! Happy to have a new subscriber. 😃👍
I never took the time to understand the MTF charts and wasn't expected to learn about them on this video. Thanks! Your explanation are technical and easy to follow! The best of two world :D
Thanks a lot! Glad you liked it. Cheers!
Amazing content as always, great video from start to finish, and sigma has really been killing it these past few years!!! Damn
Thanks a lot! Much appreciated.
This Review was A Class man. Good job bro, seriously considering a 40mm Art
Great video, every time I feel like I m back to school with you!
Thank you! 😃👍
Kudos on being thorough. When you mentioned the issues with the close focusing, my first thought was the close focusing distance, and voila, you included that. Great video, as always!
Thank you so much! Always appreciate your comments.
Great video as always and the music for that cinematic sequence is 🔥🔥🔥🔥
Thanks a lot! Yeah, I was obsessed when I heard that track. 😃
Who is it? & What is the track title @@geraldundone? It sounds like Daft Punk from Tron Legacy
P.S. On the lens size... It looks big enough to have a tripod collar
@Trevor McGrath - Kick Lee - A City's Call
Never really cared about MTF charts until now... awesome channel!
That's huuuuuuuuge. Can you compare it to Zeiss 40 f2?
Love the video! I've always wanted to know how to read those charts!
Awesome! Thanks for saying so.
Great video! Loving the technical talks haha!
🙏😃
Great demonstration. It was very helpful, and some parts were funny, like that smile you did when talking about the size.
Thanks a bunch! Appreciate that. 😃🙏
Love your videos!
Such a great review.
I’m a Sigma fanboy! So glad you are covering these, thank you.
Super impressed with the nerdy in this video. I’d love more in depth explanations of super nerdy camera stuff here. Really enjoy them and this content really helps me feel like I know what I’m doing rather than making educated guesses, if that distinction makes sense. 👍👍
That's what this channel is all about so I'm glad you like it. I've got a whole playlist on them. Cheers!
@@geraldundone I think this is the first nerdy explanation I've understood. Summed up.... straight line good. Bent line bad.
omfg i love this intro... so satisfying to hear
Fantastic review!
Hi Gerald, after watching this video i returned Sigma 35mm 1.4 art and purchase 40mm 1.4. When i tested the sharpness at store today I had A9 on tripod and took shots with 35 and 40. Forty 1.4 was blowing out 35. I didn’t think i would make much difference in sharpness on A9
Great explanation of the MTF charts, thanks! The lens is a beast and if you need it - you know it, definitely worth the money vs alternative.
Thanks for the kind words and for sharing your opinion. Cheers!
“I’m Gerald undone and you don’t know what my hands are doing down here ;)”
@@_rhapsodist Those subscribers don't deserve his videos then.
solid review !
Amazing, which other Sony lens you would consider of the same sharpness even different focal length lenses?
Thanks
You'd need the longer lenses. The 135mm GM for example.
Excellent review
awesome vid gerald
Great video. Quick question, I have pre-ordered the Leica SL2 and I'm trying to decide if the Sigma 40mm would be a good fit. Your thoughts, please. Also, do you recommend any other lenses? Thanks.
Great review Gerald! This one’s going on my lens kit list for sure. Thx.
@Gerald Undone Would be great if you could do a comparison with the Voigtlander 40mm f1.2. Im right now thinking which one to buy for my A73
Thanks, this video helped. I bought a 40mm from Camera Canada based on this.
Great vid as always... think you could compare with the SigART 50mm? I feel like that’ll be a closer tell of it’s worth the extra cost.
Please make same kind of video for GM 135/1.8 ;)
This lens is siiiick
Also the longer tripod plates just prevent you from turning focus rings in many cases
Simply use a L-bracket, very useful on those compact Sony bodies anyway :-)
Gerald, you are the best!!!
excellent video. thanks
I can honestly say, that's the most dramatic b roll I've ever seen of someone taking shots of a flower. Well done, Mr Undone. :)
Hey! That flower was serious business. 😜👍
@@geraldundone Indeed it was!
GERALD WENT OUTSIDE!?!?!
Woah, I gotta admit I've been waiting to see you outdoors doing some of these tests, I definitely got excited. Amazing content as usual!
It was cloudy enough that the sun wouldn't turn me to dust. 😜
Great lens + Great photographer = Fantastic images. I'm jealous (of you & the lens) :)
@Gerald hey man, how do you hink the graphs are for the panasonic s1+s1r line of lenses ? on par with sigmas ?
Watch your video three times and i bought 40mm f1.4 e-mount today. Thank you so much.
Oh fun! I hope you enjoy it. 😃👍
When you film videos with you speaking in front of the canera, do you use auto or manual focus?
Great Video
Kind of want 40mm Sigma for studio and 40mm Batis for travel. Would love to see a comparison.
I think I’d love this lens over my Art 50mm . I shoot live music video and photography. The 50 is ok just a little tight , flares super bad in live music shows . This kills the pics and make them unusable. But don’t know if they made that any better. But I like the 28mm and 40mm lenghts best for live music
I prefer sharpness and optical quality .. I’ll put up with a larger lens for that.
Thanks for your thoughts!
I bought this lens based on your excellent review of it!
This video is Amazingly Awesome
Outstanding review, Gerald. Thank you! Inanimate object performance is superb. Curious to see its portrait performance in comparison with others (Zeiss etc).
Thanks, Alexander. I'll keep that in mind. Cheers!
Thanks for explaining the WTF charts. Cheers Hamish
You're very welcome. Thanks for the comment!
Do you think the battery grip would help balance the body/lens weight difference?
Thanks for including face rendering in your lens test! I wish everyone would.
Love you, Gerald.
It shouldn't come as too much of a surprise that the 40 is so great considering it's essentially the optics from Sigma's 40mm Cine lens re-housed and given an autofocus motor. It also makes its cost a pretty killer bargain for what you get.
Thanks for sharing your perspective! 😃
I switched to the Nex5, 6, A7 and A6k as soon as they came out cause I couldn't bear the weight of my A300 with an 17-70 anymore. So in my eyes this is for studio use only but impressive.
One of the best RUclipsrs...
I love this lens
I have been using that lens and it's very sharp!
This review was so helpful in convincing me to buy this lens. I got it for Nikon and it’s absolutely unbelievable. Huge value for money now that it’s been out a few years.
Hi do you use the lens on nikon f maunt?
@@pompeii357 I am thinking of the 40mm w/ the FTZ for the Z6, but have not pulled the trigger yet.
Thanks for the excellent explanation of the MTF charts. My budget director, (my wife), allowed me to get the 55mm Otus a few years ago. It's sick that the 40mm was in Otus territory on the chart. Sigma has done a nice job with their Art lenses for Canon in my opinion. The larger Canon bodies feel more comfortable in my hands since I am use to dealing with heavier lenses which kind of feels better balanced on the larger bodies. I add grips to my bodies because personally I feel more comfortable when I use them with heftier lenses.
Haha, budget direction. :)
How do you like the Otus?
@@geraldundone I Love it. It was definitely worth the investment. With Canon's focus confirmation, I have no issue with it being manual focus and in my opinion, sharpness is second to none.
I decided to pair this with my Z 6 at xmas and it is RAZOR sharp! Sharpest lens I've ever owned and the sharpest before that was the 300mm f4 IF-ED and 70-200 f2.8 VR1.
Nice! Thanks for sharing.
Excellent,thanks! One thing missing would be a quick Astro shot wide open please?
Dude, you just pulled another video again as I was watching it ggrrrrr
I tested this lens in shop. I was so surprised at its performance. I initially thought it was just that the primes are better than my GM zooms. But then again no other primes are as close other than the GM and art. But end of the day I put it down. It is just so huge and heavy. I felt like I'm going for an overseas body building trip with it for just a 40mm.
Nice (older) video, i get this lens delivered this afternoon, so i'm excited about it after seeing all the positive videos, i hope it will work on my Canon 1DX Mark II as good as on a Sony body...🍻( i'm not a filmer)
Phenomenal as usual!!! What lens & camera combo used for filming the b-roll?!?
Thanks so much! That was shot on the Panasonic G9 with the Panny 12-35 f/2.8 II.
The only think that would make me buy this is if its compatable with my Anamorphot-50 1.33x. Because the longer the lens the less sharp it looks through the anamorphic adapter. My 85mm 1.4 looks so blurry because of the size of it.
Hello Gerald, it's my first time watching your videos. Thanks for your views as I'm now considering to take this heavy stuff in view of its admirable sharpness.
Amazing video as always, what were the settings for the junkyard scene?
Here's a link to the raws: bit.ly/2ZqSMt0
It varied, but a lot were shot around 1/320 at f/4, ISO 200.
Some I had to go up to 1/1250 to fight the sun.
There's a couple at f/2.5, f/2.8, etc.
Have this 40f/1.4 on the d850 and it just is amazing @1.4 and @f/2.2 its insane
Personally, I'll take size over extreme sharpness. That's why I'll stick with the 55mm 1.8 (281g) over the Sigma 40mm(1.2kg), even though the Sigma crushes it on the MTF charts. I'd really like to see the MTF chart on the Sony 24mm GM. I'm renting it at the moment, and its corner to corner sharpness is insanely good, even when wide open. I'm sure it won't be on par with the Sigma (what is), but it's a size that I can take hiking without hating myself :)
I really like the 24mm GM. It's terrific!
Perfect.
Man that music got me pumped! Great video. 1 question, how quiet is the lens when focusing. The 18-35 canon mount on a Sony is noisy.
It's not too bad. Quieter than the older Sigma lenses. A little louder than the quietest of Sony lenses, but you'd need to really listen to hear it.
I believe the 35/1.4 art has a new firmware version 2 since this review, which is a nice AF improvement.
With small gimbal work and running around NYC the size and weight is a bit disqualifying for my use, but really impressive optics! The Batis 40mm is a totally different beast, but might work better for me. Great info as always, Thanks man!
Yeah, that makes sense. Cheers!
Which is better for autofocus and sharpness in video, this 40mm or the Sony 35 1.8?
When I get this 40mm, I'll be able to just toss in my bag with my 85 Art and my 104 Art, and have the perfect small/light on-the-go set up.
just ordered one used off ebay (like new) for $598 so i think that's a good deal. going to use for my astrophotography stitching. should be amazing.
How about for Aps-c user? also good?
I don't know about you, but considering the increased sharpness in this lens and the types of example photos you shot with it, it seems like a very good choice for macro photography?
solid review! Not necessarily the lens for me, but they keep pushing the bounderies with the Art Series lenses
I bought it for 560 euros on black friday and its awesome :D
I ordered this lens solely because of this video lol... And I had the 35mm (which I adore - I always said I'd never sell it but no point keeping both)... Thank you for the awesome review!
Thanks so much! Yeah, I love the 35mm as well. I still have it. 😃
Let me know how you like the 40mm.
That's so fckn sharp! Those photos in junkyard blown me off completely. Sigma really hold up their Art badge high in the sky with this lens
This might be a stupid question; I know bokeh quality is extremely subjective, but would you say that rounder/more perfectly circular bokeh is generally more desirable? One thing I noticed in your test was that the 40mm has more lemon shaped bokeh balls, and that would put me off from getting a lens, personally, while the less-sharp 35mm has almost perfectly round bokeh. What are your thoughts on this?
I think that for some purposes the rounder bokeh is more suited, but that can also make a lens seem kind of lifeless in certain scenarios. Lenses with abnormal bokeh can be more interesting and provide more character, but it would depend on the look you're going for and the subjects you're shooting. No wrong answer.
Sigma has published the 35 mm f:1.4 for the L-Mount. It is dust and water resistent. Have they changed the optical quality of this glass? The difference in price between this 2 lenses is big and I wonder, wich one to buy.
I want a good lens for filming RUclips videos, In the same scenario as what you have. And 40mm is kind of the most realistic focal length I can get in my small room. And I wanted one with f1.4. Because Sony dont have a lens around 40-50 that can do f1.4 that is a gm, I think this would be the best one to use, even though it’s big it will be on a tripod most of the time
is it safe to say the same thing about the sigma 28mm art as well?
The sharpness on this lens makes up for the size and weight. I want it!
Thanks for sharing your thoughts!
Hey Gerald.. So if it's only being used for Video purposes would you say this is worth the 50% increase in price over the 35mm? I am looking for a semi wide lens (28-50mm) for shooting interviews indoor and outdoor that's faster than 2.8. Would this be worth it over the 35mm or the 55 1.8 Zeiss?
I wouldn't say that it's necessary. Generally we have more sharpness than we need for video even up to 4K. If you were shooting 8K then you'd probably see a noticeable difference, but I'd say you can get away with a smaller lens. I'll probably still use the 35mm more often.
@@geraldundone Appreciate the reply man. I've been trying to decide for a while now. And I really want a fast piece of glass. Thanks again
What does the MTF look like on the 50mm & 85mm and 56mm sigma art?
I moved to sony. On the A7SIII it could be a good choice for high quality videowork. But one question is unmentioned: who loud are the motors while focussing in AF-C? Vor video it is a dealbreaker, when you could hear the motors constantly working.
The Sigma APO Macro 180mm F2.8 EX DG OS HSM has an impressive MTF