The Foldable Gray Chart by walimex has two surfaces, one white and one gray. The white surface serves for white balance, and the gray side with 18% reflection is essential for exposure metering. Thus it is the perfect accessory for an isochromatic and tonally correct rendering of images and you can be sure that your images won?t have any unwanted color faults.\n\nThe chart comes with a convenient loop for hanging it on a tripod. Like this it is always in its place and readily available. The surface consists of a water-resistant and durable material and can be wiped off with a wet cloth. For this reason the foldable gray chart is particularly durance and is a particularly inexpensive solution in the long run.\n\nWith dimensions of 30x30cm and a weight of only approx. 58g, the gray chart can be folded to an extremely small pack size and fits into every photo bag. Like this it is no problem to have your gray chart with you at all times, even on short photo tours.