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Real world ISO 3200 and beyond! K20D
Posted By: codiac2600, 02-28-2008, 07:54 AM

Well, I couldn't help myself. I really told myself that anything above 3200 was stupid and useless, but still had the nagging urge to go try it. So today I woke up and played with the pup to see how the stop action of high ISO would look like. This is for all you indoor sports shooters out there that are looking for good ISO shots when flash IS NOT ALLOWED

BTW, no PP in terms of noise reduction unless ACR left it on and as always enjoy!

ISO 3200:


ISO 3200:


ISO 4000:


ISO 4000:


ISO 5000:


ISO 6400:

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02-28-2008, 08:09 AM   #2
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Better than I'd expect for high ISO, you spoil that dog. I want to trade up for a k20 now.
02-28-2008, 08:10 AM   #3
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you jerk! Stop it right now! I cringe at the thought of my K10D's 1600!
02-28-2008, 08:50 AM   #4
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Aye Chihuahua!

02-28-2008, 09:08 AM   #5
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Great high iso shots of a very cute subject!

iso 3200 looks much better than the K10D's iso 1600...or even 1250, which is often my cut off.
02-28-2008, 09:09 AM   #6
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Here are some more images that show off the shadow noise and detail due to the harsher window lighting.

ISO 3200:


ISO 3200:


ISO 6400:


ISO 6400:


ISO 6400 has much more colour noise IMO, but after playing in ACR I noticed that if you use the noise reduction tab 99% of the colour noise disappears at around 80% reduction so this noise is really easy to remove.
02-28-2008, 09:10 AM   #7
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these are totaly usable and much of that noise can be hidden in post processing.


when are you going to do a no-flash bar enviro test?

02-28-2008, 11:31 AM   #8
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These >ISO3200 shots are the antithesis to the 'choppy' look in the test scene you posted yesterday. Geez these look fantastic. That's it. I'm pretty sure I'm buying it next month while my K10D is in Pentax's hands if we don't have any large outlays of cash pending.

Your pup is a real looker Chris! The "Your Pet A Day" thread needs your periodic additions.
02-28-2008, 12:04 PM   #9
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Impressive, in some photos I can not see the noise from the bokeh, equally nice!
02-28-2008, 01:01 PM   #10
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Noooo! Stop it now, I just got my K10D!
But isn't that the nature of mankind? Wanting the thing that we don't have now...
02-28-2008, 01:21 PM   #11
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Hey Chris,

I think that the effect of the high ISO (at least what I am seeing in your pictures) is very pleasant and might become a useful feature / tool. I was expecting to see much worse. I would like to see some night shots with longer exposures before I pass final judgment.
02-28-2008, 02:24 PM   #12
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It seems to me that the K20D's weakness at these ISO values is in the shadows. Noise in midtones and highlights seems minimal, but prevalent in the darker parts of the images.

Looks great though!
02-28-2008, 06:17 PM   #13
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Chris, in the custom settings, what do you have the high ISO noise reduction set to?
02-28-2008, 06:31 PM   #14
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QuoteOriginally posted by davemdsn Quote
Chris, in the custom settings, what do you have the high ISO noise reduction set to?
I have it set to weakest I believe. It only removes colour noise and leaves the detail 100% IMO. I also over expose by 1/3 stop when I shoot high ISO which helps a lot.
02-28-2008, 06:40 PM   #15
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The results are amazing. I have the same setting in my K20 (weakest).
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