Prevent external stray light from entering the viewfinder and increase the accuracy of viewfinder.Effectively isolate the contact between the eyes and the viewfinder and the viewfinder.Viewfinder is more -saving and faster than screen viewfinder.Using the viewfinder to view and flip the screen can avoid the contact between facial grease and the camera screen and better the camera screen.Soft outsourcing increases comfort and relieves fatigue.Colour: blackMaterial: ABSPackage Contents:1 x Camera Eye MaskOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.