1White Balance Calibration: The snap on white balance lens cover is used for camera white balance calibration, allowing the camera to shoot true colors. 2Lens Protection: Can be used as an ordinary lens cover to protect the lens from abrasion and dust. Easy to install and use, compact and portable, so you can use it with confidence. 3How to Work: Derived from the working principle of CCD and CMOS, specially designed for the white balance needs of digital cameras, it can overcome the defect that the CCD cannot accurately reproduce the color under complex light conditions. 4Excellent Performance: 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. 5Durable Material: The white balance cover is made of high quality plastic material with excellent anti oxidation and durable performance, can be used for a long time.1 x White Balance Snap On Lens Cap