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:
Blackmagic Pocket Camera 4k Lens Mount Blackmagic Pocket 4k Canon Adapter Blackmagic Pocket 4k Lens Adapter Nikon Coolpix P510 Filter Adapter Blackmagic Cinema Camera Lens Adapter Blackmagic Pocket Cinema Lens Adapter Blackmagic Pocket 4k Nikon Mount Blackmagic Pocket Cinema Camera Nikon F Mount Blackmagic Pocket Cc 4k Sony E Mount Blackmagic Pocket Cinema Sony E Mount
Star Filter Lens With Glitter Canon G1x Filter Adapter Nikon Z Mount Telephoto Lenses Metabones Adapter Sony A7iii Sony Alpha Sel1855 E Mount 18 55mm Agfa Ambi Silette Lens Adapter Panasonic Lumix Adapter Nikon Zhiyun Crane Sony Battery Adapter Sony Silver E-mount 18-55mm Oss Tokina Firin 20mm For Sony E-mount