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:
Canon Camera Adapter 360 Degree Canon Flash 90 Degree Angle Adapter Meade Etx-90 Canon Adapter Fujifilm X-t1 Lens To Leica M Adapter 360 Degree Lens Adapter 360 Degree Virtual Tour Camera Lens Adapter Meade Etx 90 Nikon Adapter D 90 Nikon Mount Meade Etx 90 To Pentax K Adapter Low Profile Sony Jack 90 Degree Adapter
Sigma 10 20mm Nikon Mount Sigma 16-28mm/f2.8 Dg Dn Sony-e-mount Canon G1x Adapter Ring Lens Falloff Adapter For F55 External Mount Mobile Camera Lens Nikki N D90 Specs Lens Mount Olympus Mount Telephoto Lens Adapting Other Brand Lenses To Nikon D750 Nikon F Mount Stuck Pentax 645 To X1d Adapter