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:
Metabones Adapter For Canon Ef-s To Sony E Mount Lens Under 50000 Rs Bayonet Adapter Nauticam Housing Nikonos Gates Nikonos Rs Adapter Helix Tray Adapter Nikonos 030185 Ikelite To Nikonos Adapter Ikelite Tray Adapter For Nikonos Arm Nikonos To Nex Adapter Nikonos To F Mount Nikonos To Fx Mount
Pinhole Lens Sony E Mount Sigma 24-35mm F2 Sony E Mount Canon 50mm F1.2 Leica Mount Adapter Canon Powershot Sx540 Voigtlander 21mm F 1.8 Leica M-mount Ultron Minolta Lens Mount 1976 Nex 5r Lens Mount Fotodios Nikon G Adapter Nikon F Ai Ais Mount Nikon To L Mount