Bellows Extension Calculator

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jon.oman
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Bellows Extension Calculator

Post by jon.oman »

http://www.cookseytalbottgallery.com/ph ... dNumber=24

extension is bellows extension in mm
focalLength is focal length in mm
factor = (extension * extension)/(focalLength * focalLength)
stopsCompensation = log(factor)/log(2)
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