Jan S. writes:
<< Gary, in all your spare time, can you duplicate all your
tests, but this time, purposely point an off-axis flash into the
lens? :-) >>
Sounds like a useful project for someone to take on, but not me. There
is already a fare amount of that data in Popular Photography lens tests.
Someone could fill in the gaps by building the measuring devise that
Norman Goldberg designed for the labs at Popular Photography. He
outlines the construction of it in his book published by Academic Press
(I can't recall the title).
There is always room to provide the consumer with the kind of
information a manufacturer would never think to let out or doesn't have
to motivation to provide.
Gary Reese
Las Vegas, NV
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