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:
Pentax K Mount Telephoto Lens Logitech C920 Lens Adapter Macro Adapter Vs Macro Lens Logitech Harmony Adapter For Sony Playstation 3 Macro Lens Adapter For Canon Adapter Lens For Macro Logitech C310 Lens Adapter Logitech C920 Macro Lens Adapter Logitech C922 Accessory Lens Mount Logitech C922 Lens Mount
Sony - 16mm F/2.8 E-mount Wide-angle Lens Zeiss Batis 85mm F1 8 Sony E-mount Minolta A Mount Adapter Canon Widest Lens For Canon Ef-s Mount Lens Mount Olumpus Om10 Op Tech Usa Camera Lens Mount Cap Sony E-mount Lens 35 M42 To Nikon Adapter Ebay Adapter For Sony A6300 Sony External Flash Adapter