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:
Hoya Nxt 58mm Multicoated Uv Lens Filter Nd Filter For 15-45mm Efm Kit Lens Canon Efm To Ef Adapter Canon Ef Efm Adapter Canon Efm To Efs Adapter 4 3 Canon Efm Mount Canon Efm To E Mount Canon Ef-efm Adapter Specifications Canon M50 Ef-efm Adapter Ef Vs Efm Lens Mount
Blue Light Filter Prescription Lens Lens Crate Variable Nd Filter B4 To Mft Active Adapter Canon 7d Cf Adapter Canon Powershot G5 Lens Adapter Rolleiflex Sl66 Lens Mount Nikon Adapter For Minolta Slrlenses Adapter Nikon F Nex 400 Mm Nikon Mount Sony Uwa-br100 Compatible Adapter