I have a Wollensak 6 1/4" lens on an 8x10 camera and according to what I have read the lens should focus at infinity approx 6 1/4" from the ground glass. I am trying to accurately calculate bellows factor and the infinity focus on this lens is about 5 1/4" from the ground glass. I surmise I should use this distance for base exposure and calculate the bellows factor from there?
Thanks, J
joe murray | nativesonsfilms.com
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