DSC Labs FBC FrontBox College - 11 Step GrayScale with Expanded BackFocus on Reverse - 11 x 9.5 Inches
Versatile DSC FrontBox charts provide combinations of test elements on the front plus expanded focus chart on the rear. Features: 11 step crossed grayscale Center “True Black” with adjacent 100 IRE chips 16:9 and 4:3 framing Instructions DSC’s bow-tie expanded BackFocus pattern on reverse side Specifications:
