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04-22-2021, 08:57 AM - 4 Likes   #1
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Albert Siegel tests AF and High ISO for K-III Mark-3



04-22-2021, 09:06 AM   #2
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Uhuh, that might get some tongues wagging in a good way
04-22-2021, 09:10 AM   #3
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Decent review.

I love Dustin Abbott's youtube reviews, but sadly rarely if ever does anything with Pentax. I would love him to! He is uniquely thorough.
04-22-2021, 09:11 AM   #4
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very interesting....

04-22-2021, 09:24 AM   #5
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Thanks for this!
04-22-2021, 09:34 AM   #6
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He shows a super mushy ISO 204,800 image and claims it is usable for small prints. No way. Well maybe if you hold it 4 feet out and squint.


The Sony FF high ISO shots retain more details (check the windows edges) than the Pentax to my eyes. But it is relatively close, esp considering the Sony is FF. That said, I probably wouldn't use either at ISO6400 or higher if I had another choice. Way too much noise for me.


This improvement though is more the use of a BSI sensor in the crop body over older, non-BSI sensors previously. That's why it keeps up so well at high ISO. Still it is a pleasant improvement. I think he should have tested it against KP and D500 high ISO though to get a better feel for realistic improvements on the K-3 III (which should be about a stop better).
04-22-2021, 09:35 AM   #7
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I can't wait for this darn camera.

Last edited by Racer X 69; 04-22-2021 at 07:33 PM. Reason: gray area language
04-22-2021, 09:35 AM - 3 Likes   #8
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Clearly, he needed to test the AF with a bicycle, not a car or some kids... that completely invalidates the test

Seriously, that's very good results, even in an informal test.

Part of my brain is hilariously baffled that we now have to start comparisons at ISO6400 or they're worthless because everything is so awesome...

And it looks like the DA*16-50 he used was the current one, not the PLM.
Does that mean my DA*16-50 is as good as the Zeiss 16-35 f4? Ha!

At least in terms of image quality, it looks like some folks are about to be very happy.

-Eric

04-22-2021, 09:48 AM   #9
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Marvelous.


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04-22-2021, 02:47 PM   #10
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A nice, well done, short video - can’t wait to see what Albert can do with a shipping version if they loan him one.
04-22-2021, 07:13 PM - 1 Like   #11
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QuoteOriginally posted by FozzFoster Quote
I can't wait for this damn camera.
Patience Grasshopper.
04-23-2021, 12:10 AM   #12
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Interesting that he thinks ISO3200 is as good as low ISO. The Japanese gentleman I saw in another clip was talking a lot in the same way about ISO1600, guessing from the cryptic auto-translated subtitles.

So it seems depending on viewing size (Albert is looking at print/display size, the Japanese guy probably pixel peeping?) the mark III would have a lot more low light possibilities than my current mark II. I will have to test, but it seems to me that for me 2 stops up from ISO3200 would still be more than OK.

One thing not clear to me from this is the dynamic range at these higher ISO's. Noise is one thing, dynamic range another. Will have to test that myself...

Wim
04-23-2021, 08:02 AM   #13
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Certainly no complaints with the noise, as good as the A7 III not too shabby.
04-24-2021, 07:34 AM - 1 Like   #14
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Just a quick and dirty very high ISO test from last evening. I've been under the weather but better today.

This was taken indoors at 51200. First one is the complete image OOC, and the next two cropped to 200% before denoise and after.
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04-24-2021, 07:36 AM   #15
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Several days ago I had guessed that shots at that ISO would be usable in a pinch. With very little work done on the original I'm now convinced of it.
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