6BIT 5-6 hole m39-lm(50-75) adapter ring for l39 M39 LTM LSM 39mm screw Mount lens to camera leica LM 50mm-75mm M7 M8 M9 M-240

6BIT 5-6 hole m39-lm(50-75) adapter ring for l39 M39 LTM LSM 39mm screw Mount lens to camera leica LM 50mm-75mm M7 M8 M9 M-240

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