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:
Moment Anamorphic Lens Adapter 1.33 Anamorphic Lens Adapter 1.33x Anamorphic Lens Adapter 2x Anamorphic Lens Adapter Anamorphic Lens Adapter Nikon Cheap Anamorphic Lens Adapter Iscorama Pre-36 Anamorphic Lens Adapter Sony Anamorphic Lens Adapter Best Anamorphic Lens Adapter M43 Nikon Smart Adapter
Cokin Filter For Wide Angle Lens Sony To Rf Adapter 70-200 70-300 F4 Lens Nikon F Mount Lens Mount For Sony A7rii Sigma Ic Lens Mount Adapter Sony Ar7ii Nikon Hasselblad To Sony Mount Kippon Bayes Sony E Mount Sony A7ii Ef Mount Sony E Mount Lenses Bh