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:
Contax G Lens Adapter Contax G2 Lens Mount Adapter For Contax G Lens Contax G2 Lens Adapter Canon Contax N Lens Adapter Lumix G2 Lens Adapter Panasonic G2 Lens Adapter Lumix G2 Lens Mount Manual Focus Contax G2 With Sony Adapter Sony E Mount Used Enses
Gobe Ndx 46mm Variable Nd Lens Filter C Mount Lens Canon Bmpcc 4k Lens Adapter Sony Alpha E Mount Sametop Canon Fd To Sony E-mount Adapter Yashica Rangefinder Cameras With M Mount Lens Adaptador Lente Nikon A Panasonic 4 3 Nikon D7000 To D7100 Adapter Hasselblad Lenses Nikon F Mount Zeiss 15mm Nikon Mount