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Transparent grayscale chart (16:9)
Recommended chart
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Product name: Grayscale chart (16:9 transparent type)
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Sony Part No.: J-6394-080-A
Handling precaution
Use calibrated pattern box.
Setting Illumination
Measuring equipment: Illuminance meter
(KONICA MINOLTA LS-110 or equivalent, Calibrated)
Preparation
1. Place the pattern box where the chart is not exposed to light.
(Such as a darkroom, or cover the pattern box with a cover whose inside is painted in black.)
2. Light the pattern box.
3. Warm up the pattern box for about 30 minutes.
Procedure
1. Fix the luminance meter facing straight to the chart at a distance of 1 m from it.
2. Adjust the luminance control of the pattern box so that the white portion in the center of the chart is 573 ±6 cd/m
2
.
This corresponds to the luminous intensity on the 89.9%-reflective chart at 2000 lx.
Tip
Chart
Luminance meter
1 m
