- 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
- 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. It provides a major benefit when working under pressure at events such as weddings or fashion shows.