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:
Lumix Gx85 Lens Mount Lumix Gf3 Lens Adapter Braun Paxette Lens Adapter Gx85 Nikon Fx Lens Adapter Lens For Lumix Gx85 Adapter Lumix Adapter For F-lens Panasonic Gx85 Lens Adapter Lens Mount Pressure Gx85 Panasonic Gx85 Lens Mount Panasonic Lumix Dmc-gx85 Lens Mount
Solar Filter Universal Lens Filter 90mm Cine Lens Fuji X Mount Canon 50mm 1.8 Wide Angle Adapter Nikon D90 Dc Adapter 4 3 Canon Efm Mount Super Takumar Lens K Mount Minolta A Mount Prime Lenses D610 T2 Nikon Adapter Sony Xlr Adapter For Dsr Pdx10 Sony Alpha E-mount Fe 28-70mm