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Archive 2021 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?

  
 
TravelinBriNY
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p.1 #1 · p.1 #1 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


I can see there is immense support for the Sigma 35/2. At twice the weight of the Sony 40, I am curious how these two compare in terms of sharpness and overall rendering. I know the 40 is still hard to get your hands on - but would like to put this out there for any initial thoughts and continued discussion once it is more widely available.

Thoughts?
-TBri



Apr 29, 2021 at 12:42 AM
jrscls
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p.1 #2 · p.1 #2 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


I am interested in the new Sony 40G as a travel lens. I have seen reviews comparing it against the Sigma I series 45mm f/2.8, but not the 35 f/2. Reviews seem to be positive for the new Sony 24/40/50 G lenses.


Apr 29, 2021 at 05:37 AM
TravelinBriNY
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p.1 #3 · p.1 #3 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


The Sigma 45 has lovely rendering but is the weakest of the Sigma I lenses...


Apr 30, 2021 at 11:32 PM
Steve Spencer
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p.1 #4 · p.1 #4 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


My sense from looking at samples is that the Sony 40G is sharp has great AF but isn't very well corrected for axial CA and has somewhat harsh bokeh especially in the transition zone. I think its a lot like the FE 35 f/1.8, but a little slower aperture and smaller in size (primarily shorter). Those are just my impressions from the samples I have seen so far, but I haven't used the lens and I could be wrong. It isn't my cup of tea, but YMMV.

In contrast the 35 f/2i, again just from looking at samples and not from personal use so take the evaluation with a grain of salt, seems to be a very balanced lens. It is quite sharp and all the way to the corners stopped down. It has nice bokeh. It has fairly fast and accurate AF. It has good but not fantastic control of CA. It is a fairly small size. It doesn't seem to be exceptional at any category, but is very good to excellent in almost every thing. I think that is why people like it, but again I could be wrong I haven't used the lens and YMMV.



Apr 30, 2021 at 11:52 PM
grahamgibson
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p.1 #5 · p.1 #5 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Cameralabs has reviewed each of these and you can compare similar shots from the Sigma 35/2 and 45/2.8 to the 40G. The 50G review below has the Sigma 45 and Sony 40G and 50G:

https://www.cameralabs.com/sony-fe-40mm-f2-5-g-review/
https://www.cameralabs.com/sony-fe-50mm-f2-5-g-review/
https://www.cameralabs.com/sigma-35mm-f2-dg-dn-review/

The Sigma 35 seems more alike to the 40G and 50G in rendering than the Sigma 45/2.8. Personally, I find the 40/2.5 to have the harshest bokeh, the Sigma 35/2 and 50G are decent and the Sigma is above the rest.

As far as sharpness, the Sigma 45/2.8 is softer at closer distances when wide open. Stopped down or at infinity it has good sharpness.

I was intrigued by each of these, but ultimately picked up the Sigma 45 for the smooth bokeh.



May 01, 2021 at 01:14 AM
Bob_S
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p.1 #6 · p.1 #6 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Consider the Samyang 45, such a sweet little lens, the flaws add character.


May 01, 2021 at 01:40 AM
kaldur
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p.1 #7 · p.1 #7 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Great reviews there Graham. I like lenstip's too, particularly the sample photos showing similar scenes:

https://www.lenstip.com/593.12-Lens_review-Sony_FE_35_mm_f_1.8_Sample_shots.html
https://www.lenstip.com/597.12-Lens_review-Sigma_C_35_mm_f_2_DG_DN_Sample_shots.html
https://www.lenstip.com/602.12-Lens_review-Sony_FE_40_mm_f_2.5_G_Sample_shots.html

I think the FE 35 1,8 is in a class of its own (it's not quite nokton classic 35 1,4 but it's in the same alley) at f/1,8; it also seems clear the Sigma 35/2 has less defined outlines in it's bokeh structure (and slightly more cats eyes) than the 40/2,5.

The 40/2,5 does focus somewhat closer with a great magnification ratio than the Sigma but the Sigma has the more pleasing post box and statue bust shots . Just a few days ago I was all about sharpness at mfd and I've spent a bit too many hours reading and staring at comparison and blind test shots here now and may revise that opinion.

The 40/2,5 is a bit shorter at any rate and has a cute portable hood.




May 01, 2021 at 11:20 AM
darrellc
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p.1 #8 · p.1 #8 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


I want to like the 40G so I can use my Sony like I currently use my X100V (as a travel, casual, grab and forget you are carrying it camera). I used to use the FE 35/2.8 for that but would prefer the (clickless) aperture ring.

I am not really seeing anything special in samples so far and bokeh is unimpressive. Nothing that would convince me to bother selling my bigger but still fairly small FE 35/1.8 ďutilityĒ lens (which can create really nice images within its limitations) for it.

I like a lot of Sigma 35/2 images however, quite lovely. I bought the 65/2 and am enjoying immensely.



May 01, 2021 at 11:52 AM
Neurad1
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p.1 #9 · p.1 #9 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Where does the Batis 40 2 fit into these considerations? I love mine.


May 01, 2021 at 12:55 PM
JVan_02
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p.1 #10 · p.1 #10 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Neurad1 wrote:
Where does the Batis 40 2 fit into these considerations? I love mine.


Well, personally I'd consider it to be superior in terms of colors, contrast, and CA correction than either of the two. Sigma stands out for rendering, and the 40 G has superior resolution from 2.5 until ~3.2 according to lenstip.

Interestingly, the 40 CF has much better focus breathing correction than the 40 G. You can tell this by the CF having a significantly better magnification ratio than the 40 G despite the fact that the 40 G can actually focus at 0.25m, which is just 0.01m off of the CF's MFD. If I were buying them today, I'd pick up the 40 G personally just for the size savings and AF superiorityóbut alas, I have a 40 CF already . Wonderful output (my personal choice among the three currently in discussion) but it drives me absolutely batty during the winter and its accompanying terrible lighting. Ah well.



May 01, 2021 at 04:59 PM
bxwang
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p.1 #11 · p.1 #11 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


kaldur wrote:
Great reviews there Graham. I like lenstip's too, particularly the sample photos showing similar scenes:

https://www.lenstip.com/593.12-Lens_review-Sony_FE_35_mm_f_1.8_Sample_shots.html
https://www.lenstip.com/597.12-Lens_review-Sigma_C_35_mm_f_2_DG_DN_Sample_shots.html
https://www.lenstip.com/602.12-Lens_review-Sony_FE_40_mm_f_2.5_G_Sample_shots.html

I think the FE 35 1,8 is in a class of its own (it's not quite nokton classic 35 1,4 but it's in the same alley) at f/1,8; it also seems clear the Sigma 35/2 has less defined outlines in it's bokeh structure (and slightly more cats eyes) than the 40/2,5.

The 40/2,5 does focus somewhat closer with a great magnification ratio than the Sigma but the Sigma has the more pleasing post box and statue bust shots . Just a few days ago I was
...Show more

In terms of image quality 35i is in a class of own. It's sharp with smooth transition. All the other 35mm compact FE options even 35GM have busy and unpleasant transition area. 35i still doesn't match the RX1R/ii.



May 01, 2021 at 09:50 PM
fotografur
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p.1 #12 · p.1 #12 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Following


May 02, 2021 at 06:28 PM
Younjulius
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p.1 #13 · p.1 #13 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


What's your main use of the 65mm lens and what made you enjoyit a lot? I'm interested in the lens.

darrellc wrote:
I want to like the 40G so I can use my Sony like I currently use my X100V (as a travel, casual, grab and forget you are carrying it camera). I used to use the FE 35/2.8 for that but would prefer the (clickless) aperture ring.

I am not really seeing anything special in samples so far and bokeh is unimpressive. Nothing that would convince me to bother selling my bigger but still fairly small FE 35/1.8 ďutilityĒ lens (which can create really nice images within its limitations) for it.

I like a lot of Sigma 35/2 images however, quite lovely. I
...Show more



May 03, 2021 at 01:30 AM
TravelinBriNY
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p.1 #14 · p.1 #14 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


The Batis is a very attractive lens in terms of focal length, rendering, and close focusing, but its size - despite its very light weight - takes it out of contention for what I am looking at (similar to the poster above - a take everywhere travel lens between 28 and 40). The Sigma 35/2 already pushes the size limit, and the Batis is a full inch longer. Obviously to each their own.

Best,
-TBri




May 03, 2021 at 02:13 AM
darrellc
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p.1 #15 · p.1 #15 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


The 65 is like a long 50 in use. I had the FE 85 but was always too long, a specialist lens for portraits or landscape use and I have and will carry the Tamron 70-180 when I intend to do those kind of shots. I almost never carried and used the 85. Really only used for indoor sports and events with my kids and havenít done any of those in the last year and I think f2.8 will be fast enough.

The 65 is short enough to see more common general use, so I think Iíll be more likely to actual carry it, and it pairs better in terms of field of view with a 24, 35 or 40mm lens (my go to) a lot better than a 50 or 55.

The sample shots really appealed to me and in my brief experience with it, image quality is great. incredibly sharp by f2.8 (good at f2), with consistently pleasing bokeh and rendering attractive to my eye. AF is good, though some missed shots (akin to slower Sony glass, not on par with 35/1.8 and others).

Vs expectations/hopes after reading reviews and the image thread here, only disappointed slightly by f2 performance (not perfect, like VC 50/2) and AF.

Younjulius wrote:
What's your main use of the 65mm lens and what made you enjoyit a lot? I'm interested in the lens.





May 03, 2021 at 08:25 AM
rattlebonez
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p.1 #16 · p.1 #16 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Sony 40/2.5 vs Sigma 35/2?

both lenses depend on camera or software profiles to fix the distortion instead of designing a lens with reasonable distortion

fail


Personally, I would choose Zeiss Batis 40mm F2 CF


I bought one used from KEH.com that is clean, dust free, sharp, great IQ. You can find good used deals.



May 03, 2021 at 01:39 PM
letchhausen
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p.1 #17 · p.1 #17 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


darrellc wrote:
The 65 is like a long 50 in use.

The 65 is short enough to see more common general use, so I think Iíll be more likely to actual carry it, and it pairs better in terms of field of view with a 24, 35 or 40mm lens (my go to) a lot better than a 50 or 55.



I also like the 65mm focal length. I'm using the CV 65mm Apo-lanthar. It's my most used lens. When I travel I pair it with a 35mm and I'm done.

I'm interested in the 40mm because I'm looking for a pancake-esque lens for certain kinds of travel where I wouldn't normally bring a camera at all. I'm not willing to carry some heavy bulbous monstrosity "just in case." In fact, I wouldn't (and typically don't) carry the A7RIV at all in these scenarios, but someone mentioned that with a lightweight pancake the body would be less onerous to carry.

The boxes the 40 G ticks are size(!), weight, AF/MF (the latter with something that feels better than the typical by wire) and de-clicked aperture. It's lack of world class imagery is fine in my case since, like the star-ship Enterprise, it would allow me to go places this photographer has never gone before. Well, to carry a camera on trips where I never used to. My shoulder bag is heavy enough running around all day without adding more weight. But occasionally I see something...



May 11, 2022 at 02:48 PM
PaulMoorePhoto
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p.1 #18 · p.1 #18 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


I have several of the Sigma I-series lenses and I love them all. The 35 and 45 sharpness suffers at close distances but less so with the 35. Overall image quality and handling are fantastic. I have not used the 40G but I sold my Sony 35/1.8 when I got the Sigma. Although it did have better close focus sharpness I just prefer the rendering of the Sigma.

Iím not sure how important AF is for your needs but I suspect the 40G is a little better for tracking vs the 35i and a lot better vs the 45i.

From what Iíve seen I suspect both lenses are adequate for sharpness but the more subjective differences in rendering may make a difference. The 35i is a reasonable size but you will feel the weight. For traveling alone, I might prefer the 40G.

If I were in your position, Iíd get the 40 and try it out. If you like it, donít look back. If you donít, get the Sigma and then decide which one to return.



May 11, 2022 at 03:42 PM
SpecFoto
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p.1 #19 · p.1 #19 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


I have the Sigma 35 F2 and while I don't have the 40G, vs. my S/Zeiss 35mm f2.8 ZA with regards to rendering and sharpness it is an improvement. And I am a big fan of the Sigma 65 f2 as well. The 2 Sigs have replaced my 35 and 55 ZA for general use and travel.

Edited on May 11, 2022 at 05:28 PM · View previous versions



May 11, 2022 at 03:58 PM
GHarris
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p.1 #20 · p.1 #20 · Sharpness and Rendering: Sony 40/2.5 vs Sigma 35/2?


Don't want to derail the thread, it's not either of the two lenses the topic was originally made about, so I hope this doesn't distract too much - but since a few people have mentioned the Batis 40 now - Didn't it have a few issues at launch? Poor close-range eye-AF, and too much forced stopping-down at close range, or something like that? I dimly remember it being criticised, and then a firmware update coming out that was welcomed but still criticised for not being a complete fix. How did all of that turn out? Do the issues amount to much today? Or did I just imagine the whole thing? I'm very fond of the colours I get out of my Batis 85, it has beautiful saturation and contrast, so I'm just asking out of curiosity - I'm sure it has many nice things in common with that lens, but did the issues really matter or not?


May 11, 2022 at 04:11 PM
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