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> I got a 90f8 but also a problem! |
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#1
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I got a 90f8 but also a problem!
When I fitted the lens into my one and only lens board 1. The hole was too large 2. The retaining ring was too small... Both of which I solved with a larger ring from another lens. My biggest problem though is when I tighten it all up I can no longer adjust the aperture! Should there be a washer of some sort?
Matt |
#2
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A Copal 0 shutter requires a hole size of 34.7mm, much larger than this and you end up clamping the aperture ring between th shutter & board.
The aperture ring pivots around a boss on the rear of th shutter - The boss on an old Compur in front of me measures 36.9mm Dia. So if I were to fit it to a board drilled for a No.1 shutter (41.8mm Dia), the aperture would be locked solid. It would be quite easy to make a couple of suitable spacers (if you had a lathe), but it would be better to get a lens board with the correctly sized hole. If we knew what camera you have, someone may have a spare lens board that they'd be willing to sell... |
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