This auto cap automatically opens and closes by spring action when the lens extends and retracts, making taking the camera out of the pocket for quick photos much easier without having to deal with a regular snap on cap that you can either lose or get lazy about putting on and off

The 3 doors of the cap are made of high quality ABS and sturdy enough to provide a normal scratch protection on your camera lens and will not cause vignetting

This auto cap still allows you to attach a 43mm filter with a height less than 8mm before you twist this cap to your camera lens, while the original Panasonic and Leica auto cap will be no more functional if you add a filter onto the lens

It fits perfectly on Panasonic Lumix DC-LX100 II,DMC-LX100,Leica D-LUX7 and D-LUX (Typ 109) Camera

Install Attention: You need to twist the bayonet type lens ring which is already installed on your camera, then twist the auto cap with enough force until it clicks in place. (Once the cap is installed correctly, the bottom pedal will be centered at 6 o'clock on the camera barrow, if the cap is not installed correctly, it will not lock on and will likely fall off.)