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:
Digital Or Non-digital Filter Lens Filter Holga Special Lens & Filter Turret Holga Split Image Filter Lens Set Leica Digital Adapter 3 Digital Camera Lens Adapter Lens Adapter For Digital Camera Holga Adapter For Canon Eos Rebel Holga Canon Lens Adapter Adapt Holga Fisheye Lens Mir-73 To Sony Adapter
Powershot Sx50 Lens Filter Adapter Sony Pro Duo To Sd Adapter 23 46mm Lens Adapter 40mm Filter Lens Adapter 16mm Lens Nikon F Mount Lens Turbo Ii M42 To E-mount Super Telephoto Lens Mounts Pentax Prime Focus Adapter Pentax K Mount 24mm Ebay Lens Filter For Sun