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pierre salomon
1-Feb-2004, 13:34
Hello everyone. I purchased a 150 mm F9 grapic kowa lens on e-bay. There is a slot in front of the aperture ring with a double spacer resembling a negative holder of an enlarger. Does anyone knows if removing this spacer may affect the performance of the lens? Any help will be appreciated. Thanks. Pierre

Jim Galli
1-Feb-2004, 19:26
No. It's for cutting gel filters and inserting them between the elements. Also could be used for waterhouse stops. Mostly they get removed and lost. Nice lens.