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:
Pro Optic Lens Essentials Filter Kit Len Pro Optic Filter Nd2 Pro Optic 77mm Circular Polarizing Lens Filter Samsung Nx Pentax K Adapter Adapter For Camera Lens Board Camera Lens Adapter Camera Lens To Camera Lens Adapter Fiber Optic Lens Adapter Fiber To Lens Adapters Fiber Optic Adapter For Sony Cameras
2 X 3 Lens Filter 50mm 1.2 Sony E Mount 16 9 Nikon To Canon Adapter Fujifilm Xt-2 Lens Adapter Leica M Mount For Nikon 50mm Lens Cs Mount Cs Mount Lens With Back Focus 3d Adapter For Sony Bravia 58mm Adapter Ring For Sony Hx100v Sony A7 Adapter Lenses