Nikon Coolpix L15 Repair Manual page 75

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Item
Image quality
In the case of AF
(0.3 ~ 0.15m)
In the case of "out of
focus"
Noise
Reproduction of color
・ The resolution must correspond to the following value in the
whole zoom area.
Center horizontal/vertical: 1000 TV pcs.
(Take a picture for the whole zoom area in the high image quality
mode.)
・ The resolution must correspond to the following value in the
whole zoom area.
Center horizontal/vertical: 1000 TV pcs.
[Histogram's standard deviation]
・With Min.ISO sensitivity:
Black: 3.5 or less Gray: 3.5 or less
・With ISO sensitivity 1000:
Black: 13.0 or less Gray: 13.0 or less
・Reference value and SPEC ( △ E):
Color
1 Bluish Green (1,6)
2 Orange(2,1)
3 Moderate Red (2,3)
4 Yellow Green (2,5)
5 Blue (3,1)
6 Green (3,2)
7 Red (3,3)
8 Yellow (3,4)
9 Magenta (3,5)
10 Cyan (3,6)
・ Conditions: "Image" mode set to "Normal"; using standard light
source equipment (D65 light source); Macbeth chart (neutral 6.5);
Preset (WB)
・Take pictures so that the whole Macbeth chart occupies approx.1/4
area of the LCD monitor. (Background: 18% gray chart)
・Open the file through Photoshop, and display the palette for
information.
・Read the value of "RGB" in the center of each color, and convert
to "L*", "a*", and "b*" by calculation.
Macbeth chart color position
1
2
3
4
5
6
7
8
9
10
-R ・L15 -
Criteria
L*
a*
b*
76.6
-35.0
4.6
61.4
33.7
57.4
55.4
55.7
16.6
73.5
-31.9
59.7
35.4
26.5
-60.4
58.9
-43.7
41.2
46.3
59.4
36.8
81.7
-13.1
73.8
58.6
57.5
-21.0
62.1
-19.2
-26.9
INC
VAA10003-R.3727.A
Applied tool(s)
EIAJ chart
Photoshop
Siemens chart
EIAJ chart
Photoshop
Siemens chart
Macbeth chart
△ E
≦ 6
≦ 6
≦ 6
≦ 6
≦ 6
≦ 6
≦ 6
≦ 6
≦ 6
≦ 6

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