Nikon COOLPIX 5900 Repair Manual page 100

Item
Quality of image
Resolution in AF
Gradation/luminance
level
The resolution must be in compliance with the following values in
all the postures of the EIA J chart evaluation.
< 5M-FINE >
・ Horizontal center: 1150 TV lines
Vertical center: 1150 TV lines
Horizontal line(s) at each corner: 750 TV lines
Vertical line(s) at each corner: 750 TV lines
(Take a picture with AUTO, 5M, FINE and PWB to be in the
aperture "open" condition.)
(Take a picture with a full angle of view under the condition of
WIDE-end, MIDDLE (Z06), TELE-end and the distance of 0.3m
or more.)
(Then, open the recorded image data file through PHOTOSHOP
and check the resolution visually.)
[Histogram's gray average value]
Black: 16 ± 7
Gray: 130 ± 15
White: 225 ± 10
(Equip the 5100K viewer with a chart and shoot an object in the
full range of angle of view in the "AUTO", "5M" and "FINE"
modes.)
(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 value and the gray standard deviation.)
・ Measurement section
Luminance level:
Upper left 1 step: Black, 6 steps: Gray,
Center: White Lower left 6 steps: Gray, 11 steps: Black
- R4･ E5900 -
Criteria
VAA34001-R.3658.A
Applied tool(s)
EIAJ chart
PHOTOSHOP
5100K viewer
Gray scale chart
PHOTOSHOP