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:
Sony E Lens Adapter Sony Hvr-z7u Lens Mount Canon Eng Lens Mount Changing Sigma Lens Mount Canon To Nikon Adapter Lens To Sony Lens Adapter For Sony Sony Z7u Lens Adapter Ef Mount Eng Lens Eng Camera Lens Mount Sony Z7u Lens Mount
Lens Filter Ring Repair Tool Sigma 10 20mm Lens Filter 82mm Sony 75-300mm A Mount Pentax Lens Mount For Canon Nikon F2 Lens Adapter Fastest E Mount Zoom Lens Adapter Nikon Contax Yashica Pentax 6x7 Tilt Shift Adapter Sony Wh-1000xm2 Airplane Entertainment Adapter Sony Α6400 E-mount Camera