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:
Panasonic Gh5s Lens Mount Gh5s Canon Lens Adapter Panasonic Gh5s Metabones Canon Adapter Best Lens Adapter For Gh5 Best Lens Adapter Gh5s Nikon Gh5s Autofocus Adapter Lens Gh5s Electronic Lens Autofocus Adapter Panasonic Gh5s Lens Adapter Lumix Gh5s Ef Lens Mount Zpl Mount Telephoto Lens
Lens Filter For Long Exposure Canon Dslr Lens Mount Sigma Art Sony Fe Mount Canon Dslr Viewfinder Adapter Vintage Camera Lens Mounts Nikon Camera Adapter T System Nikon Prostaff 3 9x40 Mount Zeiss Planar T 1.4 50mm Nikon F-mount Electronic Adapter Sony A340 Sony Ericsson Adapter Jack