Peter K wrote
...When someone is a professional, their statement carries a lot of weight.
Saying something like this without ever trying it is like explaining that
according to flight sciences helicopters and bees for that matter cannot fly
but we both know they do! Sometimes you need to try something before you
comment about it.
Peter, I'm not trying to quibble. Maybe it's just my background, but I am a
professional pilot in the Air Force and when my flight manual says not to do
something, it usually means someone has tried it and it may damage the
equipment, or worse yet, yourself. With this background I'm probably stuck
in a mindset where I don't do thing against what the manual says and this is
a limitation for me. If I were employed as a test pilot, I'd have a
different approach than that of a flight instructor. Flight instructors
(which I have been in several aircraft) stress manuals, procedures, and
techniques. From what you say, I'd surmise that you believe all
photographer who write photography books should test equipment outside the
recommended limits. Maybe, you are correct. I haven't looked at it that
way. By the way, I am not trying to start an argument and of all the people
on this list, you always seem to contribute something useful and I am amazed
at the breadth of your knowledge. I just disagree that he should have
tested the lens anyway. Please don't see this as an affront, but as an
explanation of the pattern of my thinking and it's limitations.
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