BetterPhoto Member |
Size of filter for 19mm cannon fl lens I have a cannon 19mm fl lens and lens holder for lens.What size filter will fit lens and lens holder?
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Jon Close |
That old lens was Canon's first superwide angle to use retrofocus design so that the mirror didn't have to be locked up in order to mount the lens. It uses a "Series IX" (or Series 9) filter, which were more often used on old movie cameras. per http://www.marriott.u-net.com/pieces/pieces21.htm "Series filters are glass or plastic mounted in a metal or plastic rim. There is no screw thread or other mounting; instead, the filter is designed to be held in place by a retaining ring. This retaining ring would either be part of the lens or be part of a lens hood/filter holder." Series IX are 88.9mm (3.5") in diameter
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