Originally Posted by
Steven Tribe
Yes correct. I have changed the cm to inches. I was using the Prochnow book and some of the catalogue listing he reproduces are from the USA agency.
If the lens hood is 6 1/2", then the front lens must be less than this. So I don't think we are talking about no. 9.
More likely, no.8 which has the front lens diameter at just over 5" and covers merely 30x36" with a focal length of 32".
The brass condition is exceptional for this date, lets hope the glass is OK too.
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