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2 hours ago, Chaemono said:

The SL3 has more DR than the SL3-S even at high ISO based on Jono‘s ISO 12500 comparison. The advantage of the SL3-S at high ISO is then only exposure latitude. 

Based on Jono's review, I wonder how you come to that conclusion. How do you evaluate exposure latitude for digital cameras? Lifting of underexposed images in the post? My tests, using usable exposure, show similar results between the cameras. Only the extreme (unusable image) shows an advantage for SL3-S. 

Edited by SrMi
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vor 24 Minuten schrieb LD_50:

How are you making that determination based upon the two photos shown at 12,500?

Look at the edges of the yellow and black books on the right in Jono's ISO 12500 comparison (SL3 on the left) 

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And then listen to Red Dot Forum Camera Talk: Leica SL3 - A Closer Look after 48:38 (ISO performance comparisons using their famous camera bag shelf) "One of the things I want to show is DR benefit..." https://www.youtube.com/watch?v=7uYKT5Yg_FI

The first time I took some tests shots with the SL3 vs. the SL2-S in the local Leica store about a year ago, it became clear to me that the SL3 was punching above its FF weight when it came to DR and I stated so in a thread on this forum (my tests shots were at ISO 100). Before I had posted that I thought the Red Dot Forum guys were full of it.

 

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46 minutes ago, Chaemono said:

Look at the edges of the yellow and black books on the right in Jono's ISO 12500 comparison (SL3 on the left) 

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And then listen to Red Dot Forum Camera Talk: Leica SL3 - A Closer Look after 48:38 (ISO performance comparisons using their famous camera bag shelf) "One of the things I want to show is DR benefit..." https://www.youtube.com/watch?v=7uYKT5Yg_FI

The first time I took some tests shots with the SL3 vs. the SL2-S in the local Leica store about a year ago, it became clear to me that the SL3 was punching above its FF weight when it came to DR and I stated so in a thread on this forum (my tests shots were at ISO 100). Before I had posted that I thought the Red Dot Forum guys were full of it.

 

You compared originally SL3 with SL3-S but now you are comparing SL3 with SL2-S. Also the image above compared different magnifications and the exposure is slightly different.

I would expect SL3's DR to be similar to S5II, which is practically the same as SL3's (per P2P).

Edited by SrMi
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45 minutes ago, Chaemono said:

Look at the edges of the yellow and black books on the right in Jono's ISO 12500 comparison (SL3 on the left) 

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And then listen to Red Dot Forum Camera Talk: Leica SL3 - A Closer Look after 48:38 (ISO performance comparisons using their famous camera bag shelf) "One of the things I want to show is DR benefit..." https://www.youtube.com/watch?v=7uYKT5Yg_FI

The first time I took some tests shots with the SL3 vs. the SL2-S in the local Leica store about a year ago, it became clear to me that the SL3 was punching above its FF weight when it came to DR and I stated so in a thread on this forum (my tests shots were at ISO 100). Before I had posted that I thought the Red Dot Forum guys were full of it.

 

That video from Red Dot Forum compared SL3 to SL2 when they were discussing DR improvement. They also compared to SL2-S, but were talking about noise when the SL3 files are downsampled to 24 mp (where the files looked very similar, with SL3 showing more detail). I don’t recall them drawing any DR conclusions regarding SL3 vs SL2-S, but I didn’t go back and rewatch the video.

I would have a hard time using Jono’s posted photos to determine which camera (SL3 vs SL3-S) has more DR. The SL3-S photo looks like it’s a brighter overall exposure. They have different shutter speeds (1/60 for the SL3 vs 1/50 for the SL3-S) so the exposure values would be different, unless the ISO ratings are not equivalent for the two cameras. I believe at 1/60 f/4 and ISO 12,500, the equivalent exposure would be something like 1/50 f/4 at ISO 10,000. Maybe @jonoslack can weigh in on the DR he sees in the files between the two cameras. 

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17 minutes ago, SrMi said:

You compared originally SL3 with SL3-S but now you are comparing SL3 with SL2-S. Also the image above compared different magnifications and the exposure is slightly different.

I would expect SL3's DR to be similar to S5II, which is practically the same as SL3's (per P2P).

HI there - this one is SL3 compared to SL3-S

The previous one (where the exposure is more different and the books were in a different place) is the SL2-S vs the SL3-S

Unless I’m going completely mad!

best

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6 minutes ago, LD_50 said:

That video from Red Dot Forum compared SL3 to SL2 when they were discussing DR improvement. They also compared to SL2-S, but were talking about noise when the SL3 files are downsampled to 24 mp (where the files looked very similar, with SL3 showing more detail). I don’t recall them drawing any DR conclusions regarding SL3 vs SL2-S, but I didn’t go back and rewatch the video.

I would have a hard time using Jono’s posted photos to determine which camera (SL3 vs SL3-S) has more DR. The SL3-S photo looks like it’s a brighter overall exposure. They have different shutter speeds (1/60 for the SL3 vs 1/50 for the SL3-S) so the exposure values would be different, unless the ISO ratings are not equivalent for the two cameras. I believe at 1/60 f/4 and ISO 12,500, the equivalent exposure would be something like 1/50 f/4 at ISO 10,000. Maybe @jonoslack can weigh in on the DR he sees in the files between the two cameras. 

Hi There - perhaps I should have matched exposure, but that makes it a ridiculous amount of extra work (I’m sure Sean will do it!). Personally I don’t think there is a very big difference in dynamic range, but it’s quite hard to judge because of the extra pixels on the SL3 and I don’t have a good way of really comparing.

But - They both seem to me to be really good. The thing about the high ISO shots is that the colour is still pretty good, which allows you to make decent colour images with a bit of NR

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vor 3 Minuten schrieb jonoslack:

HI there - this one is SL3 compared to SL3-S

The previous one (where the exposure is more different and the books were in a different place) is the SL2-S vs the SL3-S

Unless I’m going completely mad!

best

It’s about how one determines DR not what cameras were compared and your book shelf pics based on how the Red Dot Forum goes about to determine which camera has better DR clearly showed better DR for the SL3 than the SL3-S at ISO 12500. Anyway with the new RDF video out on the SL3-S I don’t need to argue anymore. 

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3 minutes ago, jonoslack said:

Hi There - perhaps I should have matched exposure, but that makes it a ridiculous amount of extra work (I’m sure Sean will do it!). Personally I don’t think there is a very big difference in dynamic range, but it’s quite hard to judge because of the extra pixels on the SL3 and I don’t have a good way of really comparing.

But - They both seem to me to be really good. The thing about the high ISO shots is that the colour is still pretty good, which allows you to make decent colour images with a bit of NR

Thanks Jono. I agree testing takes a lot of time and we appreciate you doing it.

Exposure looks visibly brighter in the SL3-S image at ISO 12,500. With fixed light source, that could be partly due to the longer exposure time, and it could also be that the ISO 12,500 ratings aren’t equivalent between the two cameras. 

I don’t think the small differences you describe in DR should be a big concern. For me, if the SL3 had the AF capability of the SL3-S, I would definitely choose SL3 and simply downsample to even out noise when possible (ie when not cropping). DR wouldn’t factor in my decision given how close they are. 

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4 minutes ago, Photoworks said:

Red Dot Forum Claims that the SL3 Sensor has more DR over the SL3-s

hew is the comparison or the ISO on SL3-s

 

I heard more detail with SL3-S and same noise when compared to SL2-S and practically the same when compared to SL3, though there are some advantages when downsampling.

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29 minutes ago, Chaemono said:

Doesn’t surprise me a bit. That’s what Jono‘s pics showed, too. 

But that is not what they say (according to my viewing of the comparison section).

Edited by SrMi
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LrC applies NR by default for SL3 (15/50/0) and no NR for SL3-S. One must make sure to reset the sliders to 0 when comparing. After resetting NR and sharpness sliders and adjusting the zoom sliders to match the resolution on the screen, here is a screengrab (ISO 12500, same exposure, left is SL3, right is SL3-S):

 

 

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P.S.: There is less than a 1/3 stop brightness difference between the two cameras with the same exposure and ISO (SL3 is darker).

Edited by SrMi
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4 minutes ago, SrMi said:

LrC applies NR by default for SL3 (15/50/0) and no NR for SL3-S. One must make sure to reset the sliders to 0 when comparing. After resetting NR and sharpness sliders and adjusting the zoom sliders to match the resolution on the screen, here is a screengrab (ISO 12500, left is SL3, right is SL3-S):

 

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The left one looks better, small letters on books are easier to read

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12 minutes ago, Smogg said:

The left one looks better, small letters on books are easier to read

Yes, the benefits of higher resolution. If you look at the noise of the shelf back, it seems similar to my eyes.

The view is 100% for SL3 and 159% for SL3-S. In print, the difference may or may not be noticeable.

 

Here is a comparison of 100% SL3-S and 69% SL3 (SL3 is left)

 

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Edited by SrMi
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vor 5 Minuten schrieb SrMi:

Yes, the benefits of higher resolution. If you look at the noise of the shelf back, it seems similar to my eyes.

The view is 100% for SL3 and 159% for SL3-S. In print, the difference may or may not be noticeable.

Pls. do the compare with tripod Multishot too! To show, where the Hammer hängt. lol

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24 minutes ago, mpauliks said:

Pls. do the compare with tripod Multishot too! To show, where the Hammer hängt. lol

Since the multishot goes only to ISO 3200, I simulate ISO 12500 by under-exposing two stops and lifting two stops in the post (SL3 is on the left, SL3-S tripod multishot is on the right). The comparison is more of an academic nature, as I believe tripod multishot will be used at base ISO mostly (only?). 

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Edited by SrMi
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The SL3-2 took 8 images in Multishot mode, if I understand it right. The SL3 took only one. Of course noise is stronger on the SL3 side, then. In order to be fair the SL3 should take 8 images too, which are added in post. This should give an improvement of 3 stops and I doubt that a difference will be noticable.

 

 

Edited by gbpost
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8 minutes ago, gbpost said:

The SL3-2 took 8 images in Multishot mode, if I understand it right. The SL3 took only one. Of course noise is stronger on the SL3 side, then. In order to be fair the SL3 should take 8 images too, which are added in post. This should give an improvement of 3 stops and I doubt that a difference will be noticable.

Yes. I do not understand why there are not more cameras that allow in-camera frame averaging. Sadly, manufacturers are removing it with model updates (see S5II).

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10 minutes ago, gbpost said:

The SL3-2 took 8 images in Multishot mode, if I understand it right. The SL3 took only one. Of course noise is stronger on the SL3 side, then. In order to be fair the SL3 should take 8 images too, which are added in post. This should give an improvement of 3 stops and I doubt that a difference will be noticable.

 

 

You’re suggesting simulating multi shot on the SL3 by taking 8 photos and combining them in post to compare to the actual multi shot on SL3-S? I definitely would not call that comparable in any practical sense. 

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