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:
Pentax Lens Adapted To Canon Adapted Lens For Gfx Adapted Lens With 1.4 Teleconverter Best 35mm Adapted Lens Best Adapted Lens For A6000 Best Adapted Nikon Lens Ibis With Adapted Lens Pen F With Adapted Lens Kodak Anastigmat F1.9 25mm C Mount Lens Nikon D70s Memory Card Adapter
Canon Ef Mount Prime Lenses Canon Ef To M Mount Lumix G7 Lens Mount Fujifilm G Mount To X Mount Xume 58mm Lens Adapter Opteka 10x Macro Lens For Sony E-mount E Mount Lenses Konica Minolta Nikon F Mount To Nex Lazada-sony E Mount Lenses Sony 70 350mm E Mount