Qpcard 101 Digital Reference Card, Set of Three

QPcard 101 is a reference card targeted for professional photographers. It has three patches with white, gray and black colors. The spectral respons of the three colors is almost perfect straight, meaning there will be no problems with metamerism at all. The colors are extremely fade resistant. The main purpose with the card is to use the gray patch for neutral gray balancing of the image. The gray patch is reflecting 18 % of the light, making it useful also for exposure purposes. There is a millimeter reference scale on the card.

The card is self-adhesive making it perfect to place on almost any surface in the subject. The size of the card is 5.6 x 1.6" (142 x 40 mm).

QPcard 101 is sold in packages of three cards. Card size is 142 x 40 mm (approx. 5.6 x 1.6").