The White Balance Card Set from Opteka provides an 18% gray card along with white and black reference cards. With your digital camera, the gray card helps you to determine accurate exposures, the white card achieves the optimal color balance under any lighting situation, and the black card can be used as a reference point when editing your images in a post-production software. Also, the included lanyard helps to manage your cards while using them.

Neutral 18% Grey / Gray Card with matte finish for scratch resistant.
Non Reflective and Waterproof.
Perfect for setting exact color balance.
Works with any digital camera. Perfect for DSLR, Video, Film and Photography.
Card size:3 1/3 x 2 1/8 inches. Small enough to keep in your pocket or on a key-chain.
Compact, sturdy and Lightweight. Net weight: .32 oz

Includes
Opteka White Pocket Card
Opteka Black Pocket Card
Opteka Gray Pocket Card
Opteka Lanyard
Opteka 1 Year Warranty