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 Mount Fixed Lens Samsung To Canon Lens Adapter 16mm Fixed Lens For Sony E-mount Camera A-mount Wide Fixed Lens C Mount Fixed Focus Lens E-mount 200mm Fixed Lens F Mount Fixed Lens Fixed Aperture Zoom Lens A Mount Fixed Focus C-mount Lens Loupes Front Mounted Or Fixed On Lens
M12 Lens Ir Cut Filter Ef-s To Mft Adapter Lens Adapter For T-mount Camera Contax Iia Lens Mount Kish C Mount Lens Nikon Wirless Adapter D3300 Samyang Lenses Nikon Mount Exakta To Sony Alpha Adapter Sony Aii E Mount Sony E Mount Pancake 16-50