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:
Rokinon 14mm Lens Filter Holder Rokinon 14mm F 2.8 Sony E Mount Rokinon 14mm F/2.8 Sony E Mount Rokinon 14mm Canon Mount Rokinon 14mm Sony A Mount Rokinon 14mm 2.8 Canon Mount Nikon L330 Lens Adapter 14mm Lens Rokinon E Mount Rokinon 14mm Nikon F Mount Rokinon 14mm Nikon Mount
Proper Use Of Lens Filter Scope Canon To Leica Adapter Fujifilm Xh2s Lens Mount Canon To Olympus Mount Vintage Lense Mount For Canon Ring Adapter Canon 55mm Russian Mto 500 Lens Adapter Sony A6000 With Fotga Pk-nex Lens Adapter Cosmicar Pentax K Mount Sony A Mount Camera Comparison