Nikon Coolpix 4600 Repair Manual page 88

Item
Quality of image
Noise
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Reproduction of color
[Histogram's standard deviation]
・ Gray: 3.0 or less
Black: 3.5 or less
・ Equip the 5100K viewer with a scale and shoot an object in the
full range of angle of view while the AUTO mode and the image
quality priority mode are set.
Open the recorded image data file through Photoshop and pick up
a measurement section with the each color (its central area 64 ×
64 pixels) with the rectangle selector tool.
・ Read the histogram's gray standard deviation.
・ Measurement section
Noise:
Upper left 2 step: Black, 6 steps: Gray
Lower left 6 steps: Gray, 10 steps: Black
・ Color
W 205 ± 20
Ye 208 ± 20
R 225 ± 20
・ Equip the 5100K viewer with a chart and shoot an object in the
full range of angle of view in the AUTO mode and the image
quality priority mode (high image quality mode).
・ Open the recorded image data file through Photoshop and pick up
a measurement section with each color (its central area 64 × 64
pixels) with the rectangle selector tool.
・ Read the histogram's RGB.
- R6･ E4600 -
Criteria
R G
205 ± 20 205 ± 20
208 ± 20 40 ± 15
10 ± 10 10 ± 10
VAA32001-R.3652.A
Applied tool(s)
5100K viewer
ITE γ 0.45
Gray scale (standard)
Photoshop
Color bar chart
Photoshop
B