As we know, lenses are valuable items, and even a small scratch can mar them forever. So in order to protect it, you need a camera lens cap!
What you are viewing is a 77mm Professional White Balance Snap-on Lens Filter Cap for Camera, which is a professional lens filter cap for all 77mm size lens well! The 77mm lens filter cap keeps a spare cap in your gear bag for the inevitable lost lens cap, too! Pinch the sides of the 77mm lens cap and snap it into place-it fits securely and your lenses are covered. Whether your hand are tender or coarse, the lens filter cap will take on or off easily when you using the hood.
Give your camera best care, you should get the 77mm lens filter cap!