Provide a standard reference object for exposure determination in photography.
The grey side works for the exposure correction and white side for white balance setting.
This handy double sided pop up 18% grey white card simplifies the complex technical issues .surrounding exposure and color correction when working in different lighting conditions.
We offer one year warranty and life time after service,if you meet any problem,please don t hesitate to contact us.
Includes gray white Balance card x 1 and a carry bag.