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:
Nikon Macro Reverse Ring Adapter Reverse Macro Adapter Canon Macro Reverse Lens Adapter Ring Canon Macro Reverse Adapter Ring Camera Macro Lens Reverse Adapter Set For Macro Photography With Reverse Lens Adapter Reverse Macro Lens Adapter Nikon 135mm F2.8 Pentax K Pk Mount Lens Macro Reverse Adapter Nikon Nikon 52mm Reverse Macro Adapter
Lee Filter Wide Angle Lens Hood Polarized Filter For Camera Lens Pentax Q Mount Lenses B4 Magic Lens Adapter Fujifilm X Mount Lenses Wiki Camera Lens Adapter Focal Length Mft To Tamron Adapter Nikon J1 Ft1 Adapter Pentax 24mm F2.8 Mount Sony Ais To 3.5mm Adapter