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:
Vello Lens Mount Adapter Vello Adapter Nikon To Sony Vello Adapter Canon To Sony Vello Accelerator Af Lens Adapter Pentax Stereo Adapter 52mm Vello Auto Lens Adapter For Canon Ef/ef-s Vello Lens Adapter Nex To T Mount Vello's La-fx-md Lens Adapter Vello Nikon Sony Adapter Vello Ef Adapter Sony
Black And White Filter Lens Nikon Mount Adapter Ftz Ii Nikon D3100 F Mount 35mm Lens For Sony Fe Mount Nikon G To M43 Adapter Adapter For Canon Manual Slr Lens Fujifilm Gfx Adapted Lenses Son A6300 Nikon Adapter T Ring T Adapter Nikon D300 Sony Wireless Camera Adapter