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:
Sigma 100-400mm Sony E Mount Canon Sba-e2 Bounce Adapter Fuji X Lens Adapter Lens Adapter For Fuji Z Cam E2 Lens Mount Fuji X E2 Lens Mount Fujifilm X E2 Lens Adapter Zcam E2 Lens Mount Nikon Adapter Ring E2 Nikon Tc-e2 Tc-e3ed Adapters
Ef M Lens On Ef Mount Nikon Z Mount F Mount Sony Alpha A6000 Adapter Sony A7 Manual Lens Adapter A7 E-mount Full Frame Lens N-f Maual Lens Mount Rent X Mount Lens Converting Minolta Mount To Nikon Mount Metabone Adapter For Sony A6300 127 Mm Solar Filter