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IT3800/3900 User’s Guide 1 - 5
Mounting Information for the IT3900
Aperture plane
1.52
1.52
B
.8
Optical center is ± 2" from horizontal.
(Angle begins at aperture plane.)
2˚ Ref typ
4.64
2.67
1.52 Ref
2.99
47.5˚
.89
.04
.700
.700
M4 Inserts typ 3
Thread depth
4.7 mm (.185")
Cable Exit
1.3
.65
2.5
(13 mil and 15 mil)
3.5
(5 mil and 7.5 mil)
4.1
5
6
7
8.5
9.5
3 mil
5 mil
7.5 mil
13 mil
15 mil
23˚ typ
4.9
4.2
3
1.9
TYPICAL PERFORMANCE ON HIGH QUALITY SYMBOLS.
Note: Measurements are in inches.