DSLR Camera White Balance Grey Card (18% Gray White and Black) Reference

DSLR Camera White Balance Grey Card (18% Gray White and Black) Reference Calibration Sheet Pocket-Sized Set Colour Tools

) Size: 8.5 x 5.4cm

2) Size: 13 x 18cm

Material: PVC

White Balance Card

Ensures that under any lighting conditions can produce precise, uniform, neutral white, and its spectral characteristics are neutral, which allows the red, green, and blue reflected by the same proportion, so that we get more accurate white balance correction.

18% Standard Gray Card

Primarily use for color balancing. In Photoshop open the image and pull up a Levels Adjustment Layer. Click on the grey card, instantly have corrected the colour balance.

Black Card

Black card is generally used to cover stray light, or long exposure. The black and white card are used to set absolute black and absolute white points.

In Photoshop, set

Eyedropper 1 for “White” point setting

Eyedropper 2 for “Gray” point setting

Eyedropper 3 for “Black” point setting