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:
Olympus Omd Lens Mount Olympus Em10 Lens Adapter Olympus Omd Em10 Mark Ii Lens Adapter Olympus Omd Telephoto Lens Adapter Olympus Em10 Lens Mount Olympus Em10 Markiii Lens Mount Olympus Omd E-m1 Lens Mount Omd Em10 Lens Mount Olympus Omd Nikon Adapter Tamron 150-600mm G2 Nikon Mount
500mm F 8.0 Telephoto Lens T Mount Pentax To Nikon Adapter Ring Sony A6500 Ef Mount Bower C-mount Adapter For Canon Eos Fuji To Tokina Adapter Lens Arriflex 16sr Lens Mount Minolta Xd11 Lens Mount Sony E-mount Lens To L-mount Sony E Mount 16-55mm 2.8 Sony E Mount Camera Comparison