Foto&Tech Large Size 5″x 7″ Waterproof Premium 3 Card Set-18% Grey Card White Balance Card Exposure Photography Card Set Custom Calibration Camera Checker for Digital and Film Photography Video, DSLR

Our white, black and gray white balance cards make achieving perfect white balance and color correction easy. Saves time during post processing. Just snap a picture holding our white balance cards and choose to set your white balance in camera or...