Re: Protar VIIa Triple Convertible Pictures POST YOUR PROTAR VII PICS PLEASE
This lens is labeled Bausch and Lomb Protar VII one is 13 7/8" and one is 11 3/8" - this image is taken with the two together 9". These lenses seem odd as the Bausch and Lomb data one the internet seems to show a different fraction for these focal lengths. This is 4x5 Tri-X HC-110 enlarged to 16x20
Last edited by Robert Opheim; 24-Sep-2022 at 22:17.
Reason: more info
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