This is an 52mm lens cap. Please be certain to purchase the correct size for your camera!
Major Features:
Capture Accurate Color
Works in Mixed and Difficult Lighting
Replace Your Gray Cards and White Cards
Convenient, fast and easy-to-use
Reclaim Time Spent Correcting Color
Affordable for amateur and enthusiast photographers
Functions as a Lens Cap
To use this White Balance Cap simply attach the cap and set custom white balance on your camera.
Set the manual mode on your camera for White Balance.
Attach the lens cap to the lens.
Set the lens focus length to telephoto mode.
Aim your camera to the photographed object.
Keep the white balanced value.