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:
Sigma 30mm 1.4 Lens Filter Lumix Gh4 Lens Mount Lumix Gh4 Canon Lens Adapter Panasonic Lumix Gh4 Lens Mount Canon 7d Lens Adapter To Lumix Gh4 Lumix Gh4 Adapter Canon Lumix Gh4 Active Lens Adapter Panasonic Lumix Dmc-gh4 Lens Mount Lumix Gh4 Nikon Adapter Sony To Gh4 Adapter
Neewer Gold Lens Filter Kit Used Sony Fe Mount Lenses E Mount Lens On A7iii 4 3s Adapter To Canon Autofocus Adapter Mft Canon Eos Om Mount Pancake Lens Pentax 67 Adapter Sbig Metabones Adapter Sony A7sii To Can Sony 55hx800 Wireless Adapter Sony Ps4 Audio Adapter