12 x 12 Inch (30 x 30 cm) White Balance 18% Gray Reference

12 x 12 Inch (30 x 30 cm) White Balance 18% Gray Reference Description

This handy double sided up 18% grey/white card simplifies the complex technical issues surrounding exposure and color correction when working in different lighting conditions.
It provides a major when working under pressure at events such as weddings or fashion shows.
Gray side: Reflectance 17.8%; Density 0.74
for Max. deviation of reflectance: 2%
for Max. error in exposure measurements: 1/8 of F-stop

colour:Black + gray + white
Material:cloth
size:30x30cm

Package Contents:
1x Focusing Board

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.