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:
Nikon D3300 Mobile Adapter Adapter For Contax G Lens Contax 645 Lens Adapter Contax C Y Lens To Nikon Adapter Contax G Lens Adapter Nex Contax G1 Lens Adapter Contax Lens Adapter Sony Contax N Lens Adapter Contax Rangefinder Lens Adapter Contax Rf Lens Adapter
Dji Mavic Pro Lens Filter Sony Alpha A7 E Mount Canon Fd Mount Wide Angle Canon Lenses Mount Type 400mm Sigma Lens Sony Alpha Mount 50mm Fe Mount Lens 85mm M Mount Lens Sony 30mm F 3.5 Macro Lens E-mount Nikon Wireless Adapter For D3100 55mm 1.4 Sony E Mount