Buy from Amazon.com : http://fave.co/1HJq8qf <br /><br />WhiBal G7 White Balance Studio Kit<br /><br />Product Description : <br />Waterproof and scratchproof material <br />Comes with convenient stand for ease of setup on tables or flat surfaces No need for someone to hold the WhiBal <br />Each card is individually measured with a precision spectrophotometer to certify that it meets or exceeds stringent specifications <br />The Gray card is designed for low reflectivity except that the sticker is intentionally highly reflective so that maximum TrueBlack Blackpoint level may be achieved by observing for maximum glare point and then backing the angle down <br />Can be used to set white balance reference black point and white point
