I used to shoot the K20D up to 1600 ISO, anything above that was usually
unusable for large prints.
The K-5II seems to be good up to 25600 if you like somewhat chunky*
grain at times, color usually seems good with A, F and FA lenses, would
probably be just as good with DA lenses but I don't own any. The color
is really yellow even when using the highest correction factor under
tungsten light with M and K lenses on the K5II.
I've also gotten decent results with the *ist-D and Ds at 800 and
sometimes 1600, though the latter were usually converted to B&W.
Yes, I do still have a *ist-Ds that I use in places that I don't want to
risk damage to a better camera. It's effective monetary value is
nothing, and slapping an old M 40mm f2.8 lens, (also effectively worth
nothing), on it is like going back to using a Spotmatic and TriX 400,
it's actually easier to get used to than using the K20D after mostly
using the K-5II.
*A lot like old GAF 500 ASA slide film except at a much higher sensitivity.
On 7/21/2018 1:40 PM, Ken Waller wrote:
I almost never shoot above 400 ISO in my outdoor photography, a force
of habit.
For comparisons I shot some birdy images at the feeder and varied the
ISO up to 51200, same f stop with varying shutter speeds.
Surprise, surprise but I got very usable captures up to 25600, but not
so much @ 51200 - which produced a noticeable color shift.
A subjective evaluation that will give me a little more leeway in the
field.
Wondering what list members have found in this regard with their DSLRs ?
Kenneth Waller
http://www.pentaxphotogallery.com/kennethwaller
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America was founded so we could all be anything we damn well please.
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