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:
Bmpcc 4k Lens Adapter Blackmagic 6k Lens Mount Bmpcc 6k Lens Mount Bmpcc 6k Pro Lens Mount Digital Camera Lens Adapter Lens Adapter For Bmpcc 4k Bmpcc With C Mount Lens C Mount Lens On Bmpcc D Mount Lens Bmpcc Blackmagic 6k Sony Adapter
20mm Diameter Lens Filter Neutral Gray Polarizing Filter And Wide Angle Lens Sony 18-55mm Lens E Mount Sigma 10 20mm Pentax Mount Canon 24mm 2.8 Fd Mount Canon Ae-1 Fl Mount Nikon M-223 Vs P-223 Mount Sony Dc Adapter 4.5v Om Sony E Mount Replacement Solar Filter For Camera