gil_cruz Posted April 26, 1998 Share Posted April 26, 1998 I just bought an APO-Symmar 5.6/135 lens in a Copal No. O shutter.When mounting it on a lens board, I noticed a small protruding screw head, about 1/8", that doesn't allow for a flush mount on the board.Is this by design? If so, does it affect the parallel plane of lensto film? Should there be a recessed hole in the lens board?I'm a bit puzzled about this screw since other lenses do notmount the same. Help me out, please? Thanks Link to comment Share on other sites More sharing options...
gordon_vickrey1 Posted April 26, 1998 Share Posted April 26, 1998 First, you really must remove the screw. This is absolutely necessary. Then you may either 1) drill a hole part way through the lens board, allowing the len's front assembly to seat properly while catching the screw head to prevent undesired rotation, or 2) just throw it away. Really. A properly tightened lens shows little or no rotation once it is set to the lensboard, and some slight rotation has no effect, anyway. I just toss the screw. Other photographers I know do the same. <p> Gordon Vickreykrmhlz@earthlink.net Link to comment Share on other sites More sharing options...
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