The FrontBox Standard from DSC Labs, is a test chart featuring six primary colors as well as a spectrophotometrically neutral 11 step grayscale. These charts assist shooters and engineers align their cameras as precisely as possible.
11 Step Grayscale
Grayscales will help optimize tonal reproduction and create richer-looking images.
This chart features the six primary colors and instructions on how to utilize the chart.
Aspect Ratio and BackFocus
The FBP includes framing apertures for 16:9 (1.77, 90% and 100%), widescreen film formats 1.85 (90 and 100%) and 2.35 (100%), with a DSC BackFocus Star on the reverse.
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Scanned Area - 11.0 x 9.5" (27.94 x 24.13cm) Active Area - 10.0 x 6.0" (25.4 x 15.24cm)