Pocket Size 3 in 1 Grey Cards 18% White Balance Set for Digital DSLR and Film Exposure Photography Metering Card Video Color Custom Calibration Camera Checker Canon Nikon Sony

Credit card size, 3.34 x 2.12 inch/ 85 x 54mm Grey White balance card - works with any digital camera JPEG and RAW files. perfect for DSLR, Video, Film and Photography. 18% Neutral Grey / Gray Card white balance card set, 90% reflectance white card and black card with water resistant feature, made of durable PVC material. Widely used in pre- or post-production process, highly scratch resistant, non-reflective and waterproof, perfect for setting the exact color and multi-purpose at any outsides or insides any photography projects. A compact, sturdy and lightweight - set of 3 pocket size cards with wrist strap, convenient, practical and easy to carry on your wallet or a keychain. Color calibrated reference cards (white, black and neutral gray cards) , a must accessory for photographer.