The AN/TAS-4 night sight converts infrared (IR) energy entering the front lens to a
visible image viewed through the eyepiece.
The night sight operates across the
entire environmental range of the G/VLLD.
A rechargeable 2,500-6,000 psi coolant
cartridge cools the night sight. Maximum cooldown time is 15 seconds. Depending
on the distance to target, the night sight operates with a wide field-of-view
(WFOV) or with a narrow field-of-view (NFOV).
Figure 1-16.
AN/TAS-4 Night Sight.
The night sight mount, stored in the ancillary equipment transit assembly case of
the G/VLLD, interfaces between the night sight and the TU of the G/VLLD (see figure
1-17). The boresight collimator aligns the night sight with the G/VLLD optics (see
figure 1-18).
The AN/TAS-4 night sight weighs 29 lbs., measures 19.70 ins. by 19.25 ins., and is
12.40 ins. in height. It operates with the following optical specifications.
19
OD1720
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