Grey/white card, matt surface, perfect neutrality 18% grey on front side 90% white on back reverse 2mm thick cardboard chart
Grey Scale: 20 steps, 10x22mm each. Densities: min=0,05, max=1,95, progression=0,10. Analogue to Kodak Q13
Large Grey Scale with Colour chart #14 (alternative to Kodak Q14). Offset printed colour chart plus sikl-screened grey step wedge (20 steps, 1:80 contrast)....
Colour chart with reference data on CD. Compatible with ICC profiling softwares and IMATEST.
The ISO 12233 Chart is the standard for measuring the resolution of electronic still imaging cameras.
Three matt patches on cardboard: 90% white 18% grey 1% black (velvet).
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