I think the K-5ii did it best. But I don’t have one to “test”, so I offer for
your amusement and edification a series of roughly parallel shots with the
three cameras I do have.
Equipment: K-1 with D FA 70-200/2.8
K-3 with FA 50-135/2.8 + 1.4 extender.
645Z with FA 150-300/4.0
Conditions: Tripod on my patio, looking across the river. Cloudy day, 2-2:30pm.
The shots were all taken with the cameras in AV mode, f/11. Except that at
higher ISO levels I ran out of shutter speed and had to increase the f/ stop to
avoid over exposure.
I tried to find a zoom factor that would yield approximately the same FOV, but
then screwed up by adding the 1.4x to the 50-135. Oh well. The other two are at
about 190mm effective focal length in 35mm terms, the K-3 was at a about
Autofocus on the middle of the log on the sandbar, then refined (?) via manual
four with Liveview assist.
Shutter release via wireless remote, 3sec delay.
I started at ISO 100, then 400, 1600, etc. as high as I could go with the given
camera. No post processing other than the cropping. Oh, and my default
sharpening @ 35/0.7/35.
The full sized images for all three are presented first, followed by a cropped
version of the images in the same sequence. Of course some compression occurred
when I exported to jpg from LR (max width set at 4800) and then the website II
use limits the size of images so imparts its own compression. If anyone is
seriously interested, I could put full sized DNG copies in Dropbox.
http://photos.stanhalpin.com/p260580110
stan
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