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:
Nex 6 Lens Adapter Nex 7 Lens Adapter Sony Nex 5 Lens Adapter Sony Nex 6 Lens Adapter Sony Nex Lens Adapter 6x7 Nex Lens Adapter Contax G Lens Adapter Nex Fuji To Nex Lens Adapter Nex 3 Lens Adapter Samyang 1.4 Sony Mount
Lens For Solar Eclipse Telescope Filter Using The Neewer Lens Filter Canon Eos M100 Lens Mount Canon 72mm Wide Angle Adapter Canon To M43 Aperture Control Adapter Sony Fs7 Canon Lens Adapter Tamron Screw Lens Mount Sony Minolta Mount Lenses Nikon Xr Scope Mount Pentax K Mount Lenses 85mm