Gray Card

Gray Card reads the light reflection from a camera, which is equivalent to reading the incident lights. Made from mat boards, Gray Card is painted to provide results similar to that of 18 percent reflecting powers.

When is a Gray Card used?

In case there is any kind of back lighting, like a bright sky or a window behind a person

When a large part of the scene has a comparatively low tone like a snow scene

When light sources like bulb or fixed tubes is present before the camera

In case a huge part of ant scene possesses a reasonably deep tone like the close-up view of an object

In order to use a Gray Card in its traditional form of the fundamental in-camera white balance, it must cover the center of a camera frame for appropriate reading of the white balance. Again, if the Gray Card is supposed to be used as a post-processing white balance setting, it need not cover the camera frame completely, neither does it require to be centrally positioned. Both the functions of Gray Card help in the production of pictures that are simply amazing in texture and quality.

Images captured with the help of a Gray Card can be at ease saved for future use. Some more advantages of Gray Card are stated beneath:

Gray Card produces spectrally uniform pictures, by continuous maintenance of its grey appearance

The plastic coating of the Gray Card is durable and tough to bear with the diverse activities of amateur and professional photographers, yet light while carrying

Gray Card is waterproof in nature, so there is no chance for it getting wet during the monsoons

The washable quality of Gray Card allows cleaning it with soap and cold water to eliminate stains, dirt and unwanted fingerprints

The small scratches appearing on the surface of Gray Card can be repaired with device called a Random Orbit Sander

Gray Card forms an integral part of modern photographic technology. Its unique light reflecting powers release the excess light in an image, offering it the optimum luminosity the picture ideally requires.