The Digital Grey Kard - Studio from Digital Image Flow is a full-sized white balance card designed to provide a reference for digital color correction, and is the simplest, most powerful and accurate white balance tool you can buy. The neutral spectral characteristics of this card have been measured and verified using the X-Rite Eye-One spectrophotometer making it perfect for studio or on-location shooting to provide critical color control.
The Digital Grey Kard - Studio consists of a 8.5 x 11 x 1/8" (216 x 279 x 3mm) color calibrated white balance tool / color reference card, a premium quality lanyard, and a user's guide that makes it easy to achieve perfect color balance. The convenient premium lanyard makes finding and retrieving the Digital Grey Kard easy, even if it is buried deep in your gear bag.