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:
Photo Filter Lens Manager Flip Flip Adapter For Canon G16 Dual Wet Lens Adapter Flip Up Lens Adapter Flip Up Sun Glasses Lens Adapter Wet Lens Flip Adapter Dual Focus Lens 24mm E Mount Dual Sim Adapter Sony Xperia Z2 Sony Charging Adapter Dual Shock 3 Sony Ps4 Wireless Stereo Headset 2.0 Adapter
3-3 4 X 2-1 4 Lens Filter Canon Dream Lens Mount Fujifilm Xt10 Lens Mount Canon Fd Breech Lock Adapter Universal Lens Adapter 4x5 E Mount 55210mm F/4.56.3 Telephoto Lens Mamiya Lens Mount Replacement Pentax Mz 3 Mount Sony Adapter La-ea4 Vs La-ea3 Sony Cassette Adapter ????