Originally posted by tittermary do you shoot raw? do you make prints?. Could you post up a sample of this noise that seems to affect your k3? I haven't run into it my self and I shoot 3200-6400 and higher all the time.
500px / Untitled by david tittermary
this was 1250 pushed a full stop in post
I shoot RAW, and Apple Aperture hasn't released the import profile yet, so that may be an issue, I don't know.
The print posted in this thread is a perfect example... shot at 1600 ISO, I expected less noise. Here's another...
The noise in the bird image meant that I didn't shoot 1600 ISO again until the the other image... so while I find 800 quite useable, I find 1600 to be iffy. I have examined a few other images, and as a general statement, I find that when there is good light, and I'm using a higher ISO to achieve a high shutter speed, noise seems to be minimal. But when there is low light, and I am using high ISO just to get an exposure, noise seems to be a factor, even sometimes at 800 ISO. As in this image...
Where as most, I'd guess 95%, of 800 ISO images are pretty clean and quite useable. Like the one below.
Once in a life time opportunities with no chance of retakes, with a possibility of prints I can sell, I really like 400 ISO. No chance of noise, usually gets me a pretty good shutter speed and decent Dynamic Range. Having to use 800 would cause me stress, until I was able to confirm the pictures didn't fall into the 5% of the pictures taken at that ISO that have too much noise for the types of prints I do.
400 ISO, f4, 1/2000 sec shutter speed,and the K-3's AF and tracking ability = absolutely no worries.