Well, I just bought a Hoya RM 72 IR filter in 67 mm. size. I'd like to use it on other lenses with step-up rings. I wish there was a solution to fitting it onto my FA 31, but of course that shade is in the way. I suppose I could knock the glass out of 5 or 6 58 mm filtes, then screw them one on top of the other until I clear that shade, then attach the step-up ring and the 67 mm. filter. Can anyone think if another way?

Thanks,

Joe

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