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:
Mamiya Rb67 Lens Mount Adapter Ring 100mm Russian Lens Nikon Mount Mto 1100mm Mirror Lens F Mount Nikon Mount Russian Lens Olympus E-500 Lens Mount Russian Bayonet Mount Lens Russian Lens For Nikon Mount Russian M Mount Lens Russian Camera Nikon Mount Russian Lenses Nikon Mount
Sony E Mount Lens Best Canon Mount Lenses Sony A290 Lens Mount Fujifilm Gfx 50r Mount Size Nikon Lens Adapters For Nikon Z6 26mm Lens Mount Optical Adapter Contax/yashica Lenses To Nikon 1 Cameras Helios 40 Nikon Mount Sony 30 Vhsc Adapter Sony E Mount Used Enses