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:
Sony G Mount Lenses Sony Canon Electronic Lens Adapter Comix Electronic Lens Mount Adapter Electronic Lens Adapter Af Electronic Lens Adapter Ef-m43 Electronic Lens Adapter M43 M43 Fotga Af Electronic Lens Adapter Fotga Electronic Lens Adapter Non Electronic Lens Adapter Sony E Mount Communication
Solar Lens Filter For Coolpix L840 Canon 5d Mark 2 Lens Mount Nikon D Mount Vs F Mount Sony E Mount Zeiss 55mm F1 8 Nikon Wireless Adapter Not Working Canon 135mm M Mount Lens Fujifilm Xt-1 Lens Mount Glade Adapt 2 Lens Change Nikon F Mount To E Moumt Adaptor Nikon P900 Sun Filter