At 01:43 7/22/01, you wrote:
om52 and 0m60 do shown very little falloff, I think you must have it stop
down to F11.
C.H.Ling
Exactly :-)
If you stop the lens down to f/11 the falloff almost disappears unless you
have a very even monochromatic light color in the corners. Even though it
states unrecorded exposure data, f/11 is my aperture of choice for
landscapes with any depth. It's a tradeoff to maximize DOF while avoiding
diffraction limiting to maximize sharpness. I suspect the falloff is also
minimal at f/8, but would have to check my archives.
In the third shot (diamond ring sunset), the falloff and subject enhanced
each other with my vision for the image. It was deliberately shot at a
much wider aperture; probably wide open at f/3.5 working hand held with
rapidly diminishing light. There were no DOF concerns with the extremely
short lens and knowing everything but the sky would be completely sihlouetted.
-- John
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