Nikon COOLPIX S210 Repair Manual page 108

Items
Gradation/luminance
level [Histogram's gray average value]
・ Black: 12 ± 5
・ Equip the 5100K viewer with a scale and shoot an object in the
・ Open the recorded image data file through Photoshop and pick up
・ Read the histogram's gray value and the gray standard deviation.
・ Area to be measured
Noise [Histogram's standard deviation]
・ ISO64
・ ISO400
・ Measurement section
Judgment standards
's gray average value] s gray average value]
2 ± 5 ± 5
Gray: 150 ± 10
White: 225 ± 15 5 ± 15 ± 15
full range of angle of view while the AUTO mode and the image
quality priority mode are set.
a measurement section with the each color (its central area 64 ×
64 pixels) with the rectangle selector tool.
Luminance level:
Upper left 1 step: Black, 6 steps: Gray, Center: White
Lower left 6 steps: Gray, 11 steps: Black
's standard deviation] s standard deviation]
Max. standard deviation of each R/G/B/Y: 3.5 or less
Max. standard deviation of each R/G/B/Y: 6.0 or less
Upper left 2 step: Black, 6 steps: Gray,
Lower left 6 steps: Gray, 11 steps: Black
- R ･ S20 -
INC
VMA22024-R.3749.A
Remarks
5100K viewer
ITE γ 0.45
Gray scale (standard)
Photoshop
5100K viewer
ITE γ 0.45
Gray scale (standard)
Photoshop