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:
Metabones Lens T Adapter Sony Rx100 Iv Lens Adapter Sony Rx100 Iv Filter Adapter Metabones Canon Ef E-mount T Ver.iv Adapter C Y Adapter Canon Metabones Adapter Canon Ef Iv Sony Nex Metabones Canon Ef Adapter Iv Mark Iv Lens Mount Metabones Iv Adapters For Sony Metabones Mark Iv T Adapter Sony A-mount
Filter Lens To See The Sun Solar Eclipse Lens Filter Diy Canon Ef Adapter Xl Canon Sd Card Adapter Sony Fs7 E Mount Canon 7d With Sd Compact Flash Adapter Canon N3 Female To 3.5mm Male Adapter Pentax 645 To Ef Shift Adapter Sony 24 Mm E Mount Sony A7s C Mount