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Got my pentax-M 50mm f1.7 lens today and did some test shot.
While catch in focus is a really great and convenience way to MF, I experience some trouble with it.
Here is a simple scene set up:
The focus point is in the middle, the number "2.5"
f1.7
iso 400
1/200s
situation 1: viewfinder, CIF disable, green dot confirmation is on, take the shot;
situation 2: viewfinder, CIF enable, slowly turn focus ring, green dot is on and shutter auto fired;
situation 3: live view, enlarge resolution 2x by pressing "info" button twice, focus and take the shot.
100% crop:
Obviously the shot using live view is in focus and a lot sharper.
The 2 shots from situation 1 & 2 are soft throughout the image (or saying none of the subject is in focus).
So I suspect the camera is slightly front focus?
Or is it other issue?
Last edited by telly0050; 01-05-2012 at 05:41 PM.