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 Mirrorless Lens Mount Adapter For Camera Lens Board Camera Lens Adapter Camera Lens Adapter 1.4 Camera Lens Adapter Chart Camera Lens Adapter For Eclipse Camera Lens Adapter For Iphone Camera Lens Adapter Iphone 6 Camera Lens Eyepiece Adapter Camera Lens Offset Adapter
Canon T3i Battery Adapter Pentax Mx Lens Mount Sony A330 Lens Adapter L Mount Lens Tamron Sony E Mount 55-210mm F 4.5-6.3 Lens With A K To Mft Adapter Zuiko Om 55mm F1.2 Nikon Mount Sony 12 V Adapter Sony 85 E Mount Sony E-mount 28mm-70mm F 3.5-5.6