This item is double, one side 18% grey with target “+” mark, another side white balance. In film or digital photography, the 18% grey side can control expose value, the white balance side can balance the color, and the target “+” mark provides accurate center photometric. This focus board helps to revert the color truly and perfectly by measuring the exposure value, white/grey balance value and color temperature, ideal accessory for portrait, flower and conversion shooting.

Features:

Focus board for camera photography
With 18% grey and  white balance double focus board
Make bland picture more full, and have stereo feeling.
Can refract part of the lights, to make some hightlighted details more clear.
Supply warm light, which will not cause the sharp sense as flashes do.
With a carrying bag, easy to take with
Diameter: 26cm
Weight: 102g
Package contains:
1 x Focus board
1 x Carrying bag