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:
Fujifilm Finepix S4200 Lens Filter Canon Lens Mounts Fd Ef Fujifilm Finepix 4800z Adapter Fujifilm Finepix 4900 Adapter Fujifilm Finepix Lens Adapter Fujifilm Finepix S2950 Adapter Fujifilm S4200 Lens Adapter Fujifilm Finepix Lens Mount Fuji Finepix S4200 Lens Adapter Lens Adapter Finepix S4200
Sony E Mount G Master Sony Nex 5n Lens Adapter Sigma 150-600mm Sony A Mount Fuji Xt1 Canon Lens Adapter Leica M Sony A Adapter Nikon Z6 Leica Adapter Praktina Fx Lens Mount Pentax 645 Mount Lenses Sony A6000 16-50 Adapter Wide Angle Sony Home Theater Receiver Headphone Adapter Jack