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:
Fastest E Mount Lens Fastest Nikon F Mount Lens Fastest Lens With Fotodox Adapter Fastest E-mount Telephoto Lens Fastest Ef Mount Lens Fastest F Mount Lens Fastest Fd Mount Lens Fastest Focusing E Mount Lens Fastest Lens Nikon Mount Sony Fe Mount 400mm
Polarized Lens 2rh100e Filter Blue Light 82mm Camera Color Filter Lens Leica Cl M Adapter Adapter Nikon Digital To Canon Digital Slr Finepix S1500 Lens Adapter Mirrorless Camera Adapter To Use Dslr Lens 35mm F1.6 C-mount Lens Fujian Nikon D7000 Lens Mount Lenses Sony Dvd Player Adapter Zeiss Medium Format Lenses Adapted Sony A7sii