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:
90mm Nebula Filter Telephoto Lens Minolta To Olympus Lens Adapter Nikon Olympus Lens Adapter Olympus Lens Mount Adapter Olympus Tg 4 Lens Adapter Sony A7 Tough E Mount Sony Tough E Mount Olympus Fisheye Tough Lens Pack W Adapt Fotodiox Tough E-mount Lt Lens Mount Sony A7ii Tough E Mount
Filter For Optar 4.7 135mm Lens Ef To Mft Adapter Blackmagic Sony Camera Memory Card Adapter 70-350mm Sony E Mount Pentax Lens Adapter For Canon Best Nikon Mount Dx Lens Camera Lens Mount Size Sigma K Mount Lens Caps Zenit 3m Lens Mount Solar Filter Camera 77mm