Nikon VBA23001 Repair Manual page 214

Items
Resolution Judgment method
When TIFF/JPEG recorded:
Take a shot by matching the angle of view of the chart's vertical
direction.
Adjust the speed so that brightness becomes 220 ± 5LSB (8bit) at
white part about the center of chart.
Standard
When TIFF recorded:
Horizontal resolution
Vertical resolution
When JPEG recorded:
Horizontal resolution
Vertical resolution
Pixel defects: Judgment method
Judge the level of white pixels
White pixel
Standard
against dark back-
When Raw recorded:
ground
At 25℃ : 240 LSB or less
At 40℃ : 960 LSB or less
When TIFF/JPEG recorded:
At 25℃ : 30 LSB or less
At 40℃ : 60 LSB or less
Dusts in shot Judgment method
Compensate exposure so that the center of "425×425 pixel" image
image
becomes 156-187 LSB), compared to correct exposure.
in JPEG of "G shading"item,
tity, and distance btwn dusts.
Standard
・Point defect
Allowable quantity: 10 dusts or less in total (when contrast 9% or less,
and size is
・Pixel defect
Allowable contrast (15% or less); size (�6Pixel or less)
Judgment standard
1900 TV lines or more
1800 TV lines or more
judge based on dust contrast, size, quan-
�18Pixel or less)
- R5 ･ D90 -
VBA23001-R.3762.A
AFS80-200mm/F2.8D
105mm
F5.6
AE: M mode
Image size: L
ISO200
Lens: Any (lens cap)
Shutter speed: 1/30
AE: M mode
Image size: L
WB: Direct sunlight
Temperature: 25 ± 2℃ ,
40 +5 -0 ℃
ISO200
AF105mm/F2.8D
F16
In zone Ⅱ area
AE: M mode
Image quality: JPEG FINE
WB: Preset
ISO200
INC
Remarks