Size:30 x 30cm
Gray side: Reflectance 17.8%; Density 0.74
for Max. deviation of reflectance: 2%
Package contents:1Pc Grey White Balance Card
for Max. error in exposure measurements: 1/8 of F-stop
How to use it :
1. Turn the camera's power on and set it in any shooting mode. Toggle the camera's main control wheel to set the white balance to the LCD display PRE position, hold down the WB key for more than 3 seconds, and the display Pre starts to blink You can make a manual white balance setting. At this point the lens alignment gray card press the shutter, if the measurement is successful, the LCD display will show Gd ..
2. The distance between the lens and the gray card should be kept above 15 cm, and the gray card should be filled with the entire screen as much as possible, and any projection should be avoided on the gray card.
3. The gray balance process is independent of the focal length of the lens, and AF auto focus can be converted to MF manual focus and the lens focal length is adjusted . The purpose is to make the gray card more blurred and soft. Exposure compensation function may interfere with the measured data, it is recommended to close the exposure fill function
