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:
50mm White Light Universal Lens Solar Filter Laowa Leica M Mount Laowa L Mount Lens Laowa Probe Lens E Mount Laowa Probe Lens Pl Mount Laowa Nikon F Mount Laowa Nikon Z Mount Laowa Sony E Mount Laowa Lens Mount Adapter Laowa Lens E Mount
Nd Filter Sigma 14mm Lens Sony Hi8 Vhs Adapter Cassette 11mm Sony E Mount Diy 35mm Lens Adapter Eos 600d Lens Mount Lumix Sh1 Lens Mount T2 Adapter Nikon D7000 Manual Nikon F Mount Lenses Non Ai Fuji Prime Weight Vs Sony A Mount Samyang 1.4 Sony Mount