Description: White Balance Calibration: The white balance lens cover is used for camera white balance calibration, allowing the camera to captures true colors. Durable Material: This white balance cover is made of high quality plastic material, which is anti corrosion, anti oxidation, durable, can be used for a long time Wear Resistant and Dustproof: Can be used as an ordinary lens cover to protect the lens from abrasion and dust, simple to install, easy to use, compact and easy to carry High Performance: Derived from the working principle of CCD and CMOS and is specially designed for the white balance needs of digital cameras, can overcome the defect that the CCD cannot accurately reproduce the color under complex light conditions. Widely Used: Camera Lens Cover Suitable for the needs of professionals for high end photography, and the color temperature of the scene has been measured to achieve the purpose of color balance Specification: Item Type: White Balance Lens Cover Material: Plastic How to measure white balance: 1. Set camera white balance to manual Modes M WB 2. Snap the white balance cover to the front of the lens 3. Adjust the lens focus to the farthest Modes T 4. Align the lens with the white balance cover at the scene light source 5. Press the WB button to measure the white balance value and lock it Size Chart: 8x8x2cm/3.15x3.15x0.79inch Package Includes: 1 Piece White Balance Cover Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!