Nikon COOLSCAN V ED - [1] Inspection Standard; Illumination;CCD compensation standards; AF performance standards

VRA53801-R.3609.A
- R1 ･ -
LS-50
［1］Inspection Standard
1. Illumination/CCD compensation
・Illumination irregularity:
42% or less for each RGBI (Red, Green, Blue, Infrared light)
・Shading compensation:
Shading value of each RGBI with respect to the outputs should be 10% or less.
・Shading saturation:
Each RGBI should not be saturated.
8 bits: 255 16 bits: 65535
・Adjacent pixels compensation:
Difference in adjacent pixels of each RGBI should be 5% or less
・Uneven brightness in black areas:
48.6 db or more for each RGBI
・Light volume:
The following conditions of WB time for RGBI should be met.
Conditions WB time
RGBI only R ＞ 30μs G,B,I ＞ 25μs
Color Positive: 3 colors R×1.995 ＋ G×1.995 ＋ B×1.995 ＜ 4.366 ms
Color Positive: 4 colors R×1.995 ＋ G×1.995 ＋ B×1.995 ＋ I×1.122/2 ＜ 8.690 ms
Color Negative: 3 colors R×1.995 ＋ G×3.981 ＋ B×7.943 ＜ 8.863 ms
Color Negative: 4 colors R×1.995 ＋ G×3.981 ＋ B×7.943 ＋ WBI×1.175/2 ＜ 13.186 ms
2. AF (Autofocus)
・AF range:
3.7 mm or more
・AF original position accuracy:
Reference value ±32 address or less
・AF alignment position:
AF address ±4 address or less
・AF repeat accuracy:
±4 address or less
・AF time / AF scanning time:
3 sec. or less