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:
Long Throw Projector Lens Adapter Short Throw Lens Adapter Short Throw Projector Lens Adapter Sony 55-200mm Lens E Mount Long Throw Lens Adapter Anamorph Lens Adapter Benq C Y Lens Adapter F30 Adaptive Headlight Throw Lens Short Throw Lens Adapter Epson 5030ub Schneider 28mm F-mount Lens Short Wd
Nikon Z9 With Ftz Adapter Sony 16 50mm A Mount Leica Macro Adapter M 14409 Sony E-mount Aps-c Cameras Canon 70-210mm F/4 Macro Ef Mount Canon Rf Mount Camera Vello Canon Ef-eos M Adapter Nikon Ft 1 Lens Adapter Metabones Adapter Nikon F An Fuji X-mount Nikon F Mount Bf-1b