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Leica SL3 vs. GFX with Canon 16-35 2.8 iii

  
 
Rod.smith7
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p.1 #1 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


I recently purchased the Leica SL3 as I needed to re-scratch my Leica itch. For background about me: I sold off (in-process of) my Fuji X and Nikon Z gear, but kept my GFX gear. I loved the Fuji X system, but always felt like I was missing something in image quality, although it was very very good and mostly attributable to GAS I think. I bought the Nikon Z7 at launch, but was not in love with the shooting experience, but the image quality is fantastic, but still not GFX level. I tried out the Leica SL2 and SL2s a couple of years ago, loved those cameras and the image quality, but found them a little too heavy and lack of a tilting screen was limiting for my style of shooting, landscape and travel mostly and found the tilt screen is must have for me. The GFX 100s 3 ways tilting screen is fantastic. So, here I am, putting the SL3 through its paces and wanted to share a high dynamic range comparison to my GFX 100s using the same lens, Canon 16-35 f/2.8iii adapted with EF/GFX Fringer and EF/L Viltrox. Quickly, the Fringer works fantastic on the GFX, the Viltrox works on the SL3, but is slower to focus.

Summary thoughts:

Settings: used matrix metering for both, which metered mostly for the highlights in the sky creating with deep shadows in the foreground, which is a good test for the SL3 to see how it compares in lifting shadows. The SL3 had LE noise reduction turned on, but the GFX was off. I normally leave it off as I don't like to wait the additional time. I used CO to process both, and utilized the single pixel de-noise feature for the GFX file, which works well in my experience, equivalent to LE noise reduction. GFX shot at F/14, SL3 at F/11, used these apertures as wanted to emulate what I would use in this landscape situation. The focus point was on the far tree, best results would have entailed focus and exposure bracketing, but that was not my goal here. I really wanted to see how both would perform using the same lenses to normalize results as much as possible (although, this was my real world test, not intended to check all the formal test boxes, take it for what it is). Overall, I did not spend a ton of time in CO trying edit these files and am sure that others could do better.

Colors: Fuji sunsets are biased toward the purple/magenta in the sky, which drives me crazy. The Leica in this case was a much better starting point, although, there are definitely cases in which the GFX starting are much better IMO. And, Fuji has an advantage given CO has fully integrated their color profiles. Overall, the GFX seemed to have a little more depth to colors, which I noticed in the foliage throughout the scene, general theme is that GFX Medium Format images have more depth to them, which is what I expected. The SL3 60MP image is very very nice.

Dynamic Range: both cameras recovered the deep shadows very well, the 100s is the best that I have ever used in this regard and no complaints about the SL3.

Tonality: again, the GFX has more depth, better tonality and transitions, but I am nick-picking on this image.

Canon 16-35: fantastic lens, handles the 100 and 60MP sensors very well in my opinion, the GFX was shot in medium format mode and covered the frame very well, some vignetting but was able to clean most of that up in post.

Here are the images, OOC JPGs and Edited JPGs, happy to send RAWs to anyone that might be interested.
Thanks
Rod











  LEICA SL3    EF16-35mm f/2.8L III USM lens    27mm    f/11.0    6s    100 ISO    +0.3 EV  






  LEICA SL3    EF16-35mm f/2.8L III USM lens    27mm    f/11.0    6s    100 ISO    +0.3 EV  






  GFX100S    Canon EF 16-35mm f/2.8L III USM lens    29mm    f/14.0    4s    100 ISO    -0.3 EV  






  GFX100S    Canon EF 16-35mm f/2.8L III USM lens    29mm    f/14.0    4s    100 ISO    -0.3 EV  




Aug 15, 2024 at 11:37 AM
Danpbphoto
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p.1 #2 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


WOW!!!!!
I am analyzing the SL3 as I type Rod! I shoot 100% Canon dslr's and EF lenses.
I find this combo here extremely sharp, crisp and exposed extremely while using the Canon EF lens.

Might save me a few bucks using my Canon EF lenses while I get the right Leica lens.
Might I ask what lens adapter you used?

Fine work here!
Dan



Aug 15, 2024 at 04:55 PM
Rod.smith7
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p.1 #3 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii




Danpbphoto wrote:
WOW!!!!!
I am analyzing the SL3 as I type Rod! I shoot 100% Canon dslr's and EF lenses.
I find this combo here extremely sharp, crisp and exposed extremely while using the Canon EF lens.

Might save me a few bucks using my Canon EF lenses while I get the right Leica lens.
Might I ask what lens adapter you used?

Fine work here!
Dan


Thanks! Yes, I find that many of the Canon EF lenses adapt well to other mounts, but probably wont get the same AF performance. For the SL3 using the Viltrox adapter, seems to work fine so far.

Good luck
Rod



Aug 15, 2024 at 06:34 PM
Danpbphoto
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p.1 #4 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


Rod.smith7 wrote:
Thanks! Yes, I find that many of the Canon EF lenses adapt well to other mounts, but probably wont get the same AF performance. For the SL3 using the Viltrox adapter, seems to work fine so far.

Good luck
Rod

Thanks Rod!
The SL3 has IBIS and most all of my Canon EF lenses have IS so the shaking that may take place hopefully will be compensated by this if my eye veers off of focus for a second!

Would love to see more of this pairing in your photos!
Thanks!
Dan




Aug 16, 2024 at 10:14 AM
stgrove
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p.1 #5 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


OP
Thanks for this. Very interesting. BTW did you use a tripod?

I also use the GFX system and C1 with linear response. I do not get strange colors, but must check to see if I do not use that mode what the colors might look like. What Fuji color mode are you using? From time to time I also use Iridient to transform my RAF files to DNG files.

Forgot to ask, do you get the same color issues while using GFX lenses?

Like you using the SL3 is easy and a joy to use.



Aug 17, 2024 at 07:21 AM
 


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Rod.smith7
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p.1 #6 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii




stgrove wrote:
OP
Thanks for this. Very interesting. BTW did you use a tripod?

I also use the GFX system and C1 with linear response. I do not get strange colors, but must check to see if I do not use that mode what the colors might look like. What Fuji color mode are you using? From time to time I also use Iridient to transform my RAF files to DNG files.

Forgot to ask, do you get the same color issues while using GFX lenses?

Like you using the SL3 is easy and a joy to use.


Yes, I used a tripod for both. All of my Fuji cameras are magenta/purple biased in sunset / blue hour regardless of the lens. I used the 100s generic + CO film simulation and will need to check out linear to see if that helps. Generally, I really like Fuji colors, but there are some situations like blue hour that accentuate their magenta color bias. I think all systems have color weak points even the SL3 has some moments, but still learning that camera (although I have never shot Hasselblad, another itch that will need to be scratched at some point).

Will try to do some more tests.
Rod



Aug 17, 2024 at 09:56 AM
stgrove
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p.1 #7 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


The Hasselblad itch can be very expensive to scratch.


Aug 17, 2024 at 10:00 AM
Rod.smith7
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p.1 #8 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


Here is another comparison taken last night in my backyard, 2 min long exposure. I wanted to see how both cameras fared and sunstars on the 16-35 2.8 iii. The focal length on the GFX was 21mm vs. 24mm on the SL3, meant for these to be the same, but must of nudged the when swapping out bodies.

Thanks
Rod






  LEICA SL3    EF16-35mm f/2.8L III USM lens    24mm    f/16.0    120s    320 ISO    +0.3 EV  






  LEICA SL3    EF16-35mm f/2.8L III USM lens    24mm    f/16.0    120s    320 ISO    +0.3 EV  






  GFX100S    Canon EF 16-35mm f/2.8L III USM lens    21mm    f/16.0    120s    320 ISO    0.0 EV  






  GFX100S    Canon EF 16-35mm f/2.8L III USM lens    21mm    f/16.0    120s    320 ISO    0.0 EV  




Aug 20, 2024 at 12:22 PM
diytech
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p.1 #9 · Leica SL3 vs. GFX with Canon 16-35 2.8 iii


Great insights! I am curious whether you have tried GF native lens (20-35 or like) to see how EF 16-35 fares against it. I am trying to figure out to go for GF or use Canin with adapter? Thanks


May 22, 2026 at 11:14 AM







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