Made by Brass and Anodized Aluminum in Black finish with high quality and stainless steel spring.Stainless steel spring won't hurt lens.It is ableto focus infinity.Ordinary Blackening Technology, weakened the effect of light ispoor.
Leica M Mount Rangefinder Mirrorless Cameras - Popular models include:
Leica- M1, M2, M3, M4, M5, M6, M7, MP, CL,M8, M9, M9-P, M10, M10-D, M10-P,M Monochrom, M, M-E, M-P, M-A,Hexar RF, Epson R-D1, 35mm Bessa, Cosina Voigtländer, Minolta CLE, Rollei 35 RF, Zeiss Ikon.etc...
Please installing / uninstalling the adapter after turning off the camera.