Leica filters E39mm with the 0.5 mm thread pitch. All filters are clean and reveal no scratches or hazing. 4 are original the other 2 are Bel-View produced Leica (green and orange) these also share the exact same thread pitch of 0.5 mm to effectively fit your summicron. Original Leica filter are in SL, R, IR, and CR 1.5 and the Bel-View are green and orange. Picture of orange filter mounted on my summicron without any problem. call or text.
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