Question about Photography
While moving the aperture ring on the mamiya secor c lens (removed from body) I see no diaphram closing/opening like on 35mm format lenses.the camera is 645 1000s purchased recently off ebay and seems to be in otherwise good shape.
Thanks for your help!
The lens has a lever marked A/M near the aperture ring. If the lever is in the 'A' position, the lens will stay wide open until you trip the control lever at the back of the lens next to the rear optics. In the 'M' setting, you can see the aperture move as you change the f-stop setting on the ring. Set the lens to anything but wide open and move the control lever with your finger. You should see that aperture move.
Posted on Jan 14, 2008
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Posted on Jan 02, 2017
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