The aperture indicator lever moves the same distances. The stop-down
coupler doesn't.
That's it: With K/M lenses the movement of the lever is directly
proportional to aperture diameter, with "A" and later lenses it's
directly proportional to aperture *area*.
If that's true then it is quadratic, not logarithmic, no?
-Cory
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* Cory Papenfuss *
* Electrical Engineering candidate Ph.D. graduate student *
* Virginia Polytechnic Institute and State University *
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