kfconcept
If your camera indicated "lens is not properly installed", please modify the camera menu settings. Usually called the "release the shutter the lens is not installed", you can modify the settings to allow. Specifically refer to the camera manual.Following are some examples:
Leica Cl L Mount Leica Cl Lens Mount Leica Cl M Mount Nikon D3100 F Mount Leica Cl M Adapter Leica Cl Battery Adapter Leica Cl Lens Adapter Leica Cl M Lens Adapter Leica Cl Silver Adapter Leica Cl With M Mount Lens
Canon R7 Mount Type F Mount Lens Fx Format Pentax C Mount Lens Sony Mirrorless E Mount Contax G2 Lens Adapter Canon Outdoorsmans Bino Adapter Leica 35mm F1.6 E-mount Len Sony A7s Pentax 110 To Mft Adapter Samyang 50mm F 1.4 Af Sony E-mount Sony Alpha Sel100400gm E Mount