31
Use and Care of Optional Lenses
Description
The lens assembly you have purchased is a long wave
thermal imaging objective lens that collects and
focuses radiation in the 8–12
µ
m spectral region.
The optical components of this unit are manufactured
from optical grade germanium (a semiconductor
material). The optical components are specially coated
to transmit a minimum average of 96% of the
incoming radiation in the 8–12
µ
m spectral region.
Refer to table on next page for lens assembly options.
L-3 CIP
Part
Number
Model
No.
Effectiv
e
Focal
Length
Field of
View,
degrees
(Approx)
Close
Focus
Distance
(Approx)
3193956–3 25MF
i
25 mm 36 H X 27 V
6
″
3193956–1 50MF
i
50 mm 18 H X 13.5
V
18
″
22796 **
75EF 75 mm
12 H X 9 V
7
′
22944 ***
75MF
75 mm
12 H X 9 V
7
′
3193956–6 100EF 100 mm
9 H X 6.6 V
15
′
3193956–7 150EF 150 mm
6 H X 4.4 V
25
′
MF=manual focus, EF=electric focus,
i=internal iris
All EF lenses may be focused with the adjust buttons on the camera
(consult Owner’s Manual). An electrical connection from the lens
motor to the camera body is required for all EF lenses.
** Supplier PN - Standard lens assembly, does not require
bezel
*** Supplier PN – Manual lens assembly, does require a
lens mounting bezel plate
Summary of Contents for 3261607 Thermal-Eye 250D
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Page 38: ...38 Notes Continued ...
Page 39: ...39 Warranty Information L 3 COMMUNICATIONS INFRARED PRODUCTS ...
