Datacolor SpyderCube allows you to Control color by balancing light...This is not just another gray card! Create your own custom white balance, obtain spectral neutrality data from multiple lightsources, and correct highlight and shadow details with SpyderCube. Establishing an accurate custom white balance ensures an accurate image from the start of each new photo session. Photographers can capture accurate color without a lot of after-the-fact manipulation. SpyderCube is the RAW calibration tool that belongs in every photographer's bag! The SpyderCube makes your camera more intelligent! It captures in a single shot a wide range of color and exposure data. You simply use the cube in one of a series of images, adjust accordingly, save as a preset, and apply to an entire series of images to color correct in seconds.