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 To Lumix Lens Adapter Lumix Gf3 Lens Adapter Lumix Gh4 Lens Adapter Lumix Gx1 Lens Adapter Lumix Lx3 Lens Adapter Telephoto Prime Lens E Mount Sigma 30 F.1.4 Sony A Mount Sony E Mount 35mm F.14 Sony E Mount F.95 Sony E Mount F.98
365nm Uv Flashlight Visible Filter Lens 1pcs Irix Lens Filter For 11mm Prime Lens Fuji X Mount Using M42 Lenses On Pentax K Mount Fisheye Lens Adapter 52mm Ge X500 Camera Lens Adapter 5mm Ef Mount Len Mft Vs File Adapter Pentax Kp Dc Adapter Sony Wireless Lan Adapter Hotspot