Balance Card 2 Sides Double Face Focus Board - 30cm Grey/White

Packing List: 1 x 18% Grey/White Balance Card 1 x Carrying Bag • 🎈This is a 30cm/12inch focus plate, gray on one side and white on the another side • 🎈It plays the role of a gray plate, and is suitable for both automatic and manual lens practice • 🎈18% standard gray, one side of the gray plate, there are auxiliary focusing scale, one side is a white plate. Is a good accessory for tuning white balance, with a carrying case • 🎈This focus plate is the benchmark for accurate detection of volume. Richly layered, color-saturated photos come from accurate exposure. If the light of the shooting scene is too bright or too dark, it may cause the exposure to be off. • 🎈The focus plate can balance a scene with complex light to 18% neutral gray across the board, and by recording the reflected light from the focus plate through the light meter, you can get an accurate exposure value. • 🎈The focus plate can be used with handheld light meters, TTL SLR cameras, digital cameras, and side-by-side cameras with metering to measure exposure values. Using a three-color focus plate is a guarantee of taking high-quality photos.