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:
Fotga Canon Ef Adapter Electronic Lens Adapter Af Electronic Lens Adapter M43 M43 Fotga Af Electronic Lens Adapter Fotga Lens Adapter Adjustment Screw Fotga Lens Adapter Metadata Fotga Tilt Lens Adapter Fotga Adapter Nikon To Nex Fotga Nikon To M43 Adapter Sigma 35mm Pentax Mount
Kenko 58mm Star Light Lens Filter Canon M Mount Lenses Minolta Md To Pentax K Adapter Canon Eos Rp Mount Nikon Coolpix L310 Lens Adapter Lensa Canon Ef Ef-s Mount Mamiya 645 Lens Adapter Nikon S Mount Lens Calculator Optical Differences Among Nikon F Mount Lenses Pentax Auto 110 To Pentax Q Adapter