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04-18-2009, 02:14 AM   #16
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QuoteOriginally posted by Canada_Rockies Quote
........................... The aperture is wide open when the lens is mounted. Someone on this forum figured out that if you release the lens and gently turn it towards removal, the lever no longer contacts the aperture control on the lens, and it works just like an M42.................................. I have high enough blood pressure without the stress of having a lens that is not completely mounted on the camera.

To avoid this stress some people drill another little hole in the lens base to lock the lens before it twists all the way to the original hole. Then the lens can be secure in either the original or new mounting rotations.

Iowa Dave

04-18-2009, 10:03 AM   #17
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QuoteOriginally posted by newarts Quote
To avoid this stress some people drill another little hole in the lens base to lock the lens before it twists all the way to the original hole. Then the lens can be secure in either the original or new mounting rotations.

Iowa Dave
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