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:
Encinema Slr Lens Adapter Sigma 24-70mm F/2.8 Canon Mount Canon Slr Lens Adapter Iphone Slr Lens Adapter Diana F+ Lens Adaptor Nikon Mount Diana+ Lens Adaptor Canon Mount Leica Slr Lens Adapter Iphone 6 Slr Lens Adapter Lomography M Mount Lens Lomography Sony E Mount
Nikon 14 24mm Filter Adapter Gopro Hero 7 Lens Adapter Arri Alexa Mini Lens Mount Cheapest Z Mount Lens 35mm F1.4 Sony E Mount Diy 35mm Lens Adapter Zeiss Iphone Lens Adapter Pentax K 7 Mount Sony Rx100 Strap Adapters Sony E Mount 55-100mm