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:
Olympus Om Lens Adapter Olympus Tg-6 Lens Adapter Minolta To Olympus Lens Adapter Nikon Olympus Lens Adapter Olympus Lens Mount Adapter Olympus Om D Lens Adapter Olympus Pen Lens Adapter Olympus Tg 4 Lens Adapter Olympus Canon Lens Adapter Nikon Types Of Mount
Sony A73 Lens Mount Smallest E Mount Lens Mft To Nex Adapter Sony V Mount Plate L Mount Lens Astrophotography Yashica Fr Lens Mount Nikon 50mm F1.8 Ai Mount Sony Alpha 100 Memory Card Adapter Sony A6000 E Mount Adaptor Vivitar Tx Direct Adaptor To Sony E-mount