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:
Rollei Sl35 Lens Mount Rollei Qbm To Nikon Adapter Rollei Qbm To Leica M Adapter Rollei 6000 Lens Adapter Rolleiflex Sl66 Lens Adapter Flash Diffuser Lens Mount Olympus Rollei Sl66 Lens Mount Rolleiflex Sl66 Lens Mount Sl66 Lens Mount Photo Rollei Adapter Sony E Mount
Nd Filter Sigma 14mm Lens Canon C70 Pl Mount Sony A Mount 70-300mm Tokina Opera 50mm Canon Mount Kiwifotos Adapter Canon Ef Metabones Canon Lens Adapter Cf To Sd Adapter Nikon Nikon F Adapter Sony Nex 8mm Rokinon Nikon Mount Sigma Adapter Sony A7