A question for the lens-heads...
The Ronar 300mm, is it optimized for close-up and copy work or infinity? I'd like to use it for architecture - usually in the 25' to infinity range... or I can relegate it to copy work of blueprints and get another for 5x7 fieldwork. Mine is Serial #1048954 in Copal 1 shutter f9 to f90, with 49 filter thread and a silver Rodenstock quality seal. It came with my 8x10 copy camera from a local lab, which is why I ask.
Any ideas where my happy aperture for infinity would be?? f22 is my guess. I shoot 5x7 and 4x5 with it in the field.
Thanks in advance for the expertise.
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