Hand Held Products IT3800 - Manual (Page 17)

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 hor
iz
ontal.
(Angle begins at aper
ture plane
.)
2˚ Ref typ
4.64
2.67
1.52 Ref
2.99
47.5˚
.89
.04
.700 .700
M4 Inser
ts typ 3
Thread depth 4.7 mm (.185")
Cab
le 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
T
YP
ICAL
PE
RF
OR
MA
NC
E
ON
HIGH
QU
ALITY
SYMBOLS
.
Note:
M
easurements are in inches.