[LargeFormat] calculating aperture scale - an easy way?
Timothy Atherton
tim at KairosPhoto.com
Sat Feb 4 12:17:16 EST 2006
I vaguely remember Richard writing on this once, but can't find it?
Is there an easy way to calculate an aperture scale for a shutter/lens? I
have my 210mm Kowa Graphic in a Copal #1 shutter with an appropriately
marked aperture scale. Say I want to put a 150mm Kowa Graphic in to try it
for a while - is there
a way to come up with a scale without sending the whole thing off to
Grimes or somewhere? (I'm not talking about the actual little piece of
metal for the scale itself - I'll just use a piece of tape or some such
and mark it - rather the measurements) thanks
timothy atherton
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