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Originally Posted by prostie1200
The image I have attached was taken with a D70 – PB-5 Bellows at 80mm with an M2ext ,105mm 2.8D lens, f32 at 1/60, the working distance, lens to subject was 4” and lit by a lateral undiffused 60watt tungsten light. WB set to tungsten ISO100.
The subject is a balance wheel in a small wrist watch, which measures 8mmDia – how do I determine the magnification?
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I don't know about the maths, but thought I would say that it is a pretty impressive macro shot.
Don