I recently acquired a new lens and wanted to try it out on my v8. Went to disassemble it in order to mount it on a 6x6 lens board and found oil on the back side of the Copal 3 shutter just under the threaded screw mount. This cannot be normal. I have never seen anything like it with any of the other 4x5 or 8x10 lenses that I own. Should I even attempt to photograph with this lens? Is this sort of thing repairable?
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