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:
Kowa Anamorphic Adapter Lens Set Norita 66 Lens Adapter Exakta 66 Lens Mount Kowa C Mount Lens Kowa F Mount Lens Kowa Set Lens Mount Kowa Six Lens Mount Kowa Super 66 Lens Mount Norita 66 Lens Mount Tilt Shift Adapter Olympus Om Sony A7
Sony A6000 Telephoto Lens Filter Nikon D5100 Wireless Adapter Nisi 0.7 X Wide Angle Lens Adapter Canon 50mm 1.4 M Mount Adapt Rb67 Lens To Canon Sony Pxw-fs5 Canon Lens Adapter Techart Adapter Canon To Sony Fx Format Wide Angle Lens Nikon Mount Lens Mount Olypmus Ix71 Lonely Speck X Mount Lens