The frame design of black ABS can match well with the camera. With the connection of push-pull type or bayonet fixing, it is to install and remove. High light transmittance. Super scratch-resistance. Anti-colliion. Easy to install and remove. Push-pull Connection Type & Bayonet Fixing No Need to Stick it With Glue How to use: Tear off the film which is on the surface of the screen. Take off the eye sheild of the camera. Align the body pothook of the protector with the camera slot of the eye-shield. Insert the eye-shield seeat according to the camera slat. Install the eye-shield slot on the eyepiece.