Très bon état. Pas de jeu. Le pas de vis est fluide et sans encombre. La baïonnette s'emboîte parfaitement ,sans jeu. Pour la focale 9cm(90mm.)à pas de vis L39 vers les boîtiers à baïonnette, pour Leica M2, M3, M4, M5, M6 ETC. vintage Leica LTM (Leitz Thread Mount) to M-mount lens adapter. Used to mount older screw-mount lenses onto a modern Leica M-series camera body. The engravings "M2" and "M3" indicate the frame lines this specific adapter brings up in the camera's viewfinder (likely 50mm for M2/M3 and 90mm for M3, or 50mm and 90mm frame lines simultaneously depending on the camera model). Marked with "Ernst Leitz GmbH Wetzlar Germany DBP", indicating genuine manufacture by Leica in Wetzlar, Germany. Features a red dot for easy alignment during mounting