Description: White Balance Lens Cap Cover 55mm/58mm/62mm/67mm/72mm. Compatible with Canon, Nikon, Sony, Olympus, Pentax, Panosonic and other digital cameras camcorders with manual white balance. Calibrate color temperature, perfect replacement for gray card. The camera has a color temperature conversion process, achieving a color temperature of 18% neutral gray. Suitable for professionals in high-end photography. Specification: Material: Plastic Diameter: 55mm/58mm/62mm/67mm/72mm Package Includes: 1x Lens Cap with Strap
