Vertex 11 Step Grey Scale Chart
With an overall size of 16.5" x 10" with an image area measuring 9" x 12" (23 x 30.5 cm). Similar to GSG9 and GSE charts, except that range of reflectances is 2% to 89% (5.5 f/stops), in eleven steps. Especially suited for use with extended dynamic range ("Electronic Cinematography") cameras. Equivalent to charts recommended by Japanese camera manufacturers for set-up. Includes "dead black" (R less than 0.5%) and "super white" (R=90%) center patch for flare compensation adjustment.