Color cards for photography:these gray cards can be used to calibrate exposure, while the white cards helps optimize white balance,color checker card
White cards for photography:will not easy to fade, with the carrying lanyard design, these grey cards are portable and easy to take,exposure photography card
Gray cardstock:works with any digital camera, these photo grey cards are for dslr, video, film and photography,white photo paper mounts card
Photo grey cards:the double-sided nature of the cards with smooth and textured surfaces ensures the using effect for different light statue,color checking cards
Gray cards photography:made of acrylic materials, being safe and durable for long time to use, these photo grey cards can be used rest assured,photographing reference cards