Sensor Technology Systems, Inc. (STS) is the designer and manufacturer of Low Profile Night Vision Goggles (LPNVG) for counter-terrorism, low intensity conflict, and military operations by Special Operations Forces, both U.S. and abroad. The AN/PVS-21 binocular NVG (also available in monocular version) is the only NVG with integrated Heads Up Display (HUD) capability for "Sensor Fusion" applications. The AN/PVS-21 is fielded and combat proven with U.S. Military and Special Operations forces, U.K forces, Canadian forces, Italian forces, Government Agencies, Special Weapons and Tactics Police units and others.
AN/PVS-21 vs. AN/PVS-15
Below is a comparison of product features,
performance and capabilities of the AN/PVS-21 and
the AN/PVS-15 BNVS (ITT Model F5050, Northrop
Grumman Model M953).
| AN/PVS-21 |
CAPABILITIES |
AN/PVS-15 |
 |
|
 |
| Built-in Option |
INTEGRATED HUD |
NONE |
| Concurrent intensified and normal views |
SEE-THROUGH OPTICS |
NONE |
| Certified for static line, HALO & HAHO |
PARACHUTING |
NONE |
| 165° Horizontal; 90° Vertical |
PERIPHERAL VISION |
NONE
(with required eye cups) |
| Latest Gen III tubes from either U.S. mfr. |
NVG TUBES |
Latest Gen III tubes from one U.S. mfr. |
| 40° at infinity; 46.3° at 3 ft. |
FIELD OF VIEW |
40° at all ranges |
| 25 cm to infinity |
OBJECTIVE FOCUS |
25 cm to infinity |
| 3.1 in. (7.9 cm) |
PROFILE (TOTAL DEPTH) |
5.4 in. (13.7 cm) |
| 1.68 lbs. (760 g) |
WEIGHT OF BINOCULAR |
1.43 lbs. (650 g) |
| 7.85 in-lb torque (13% less neck strain) |
HEAD & SPINE LOADING |
8.87 in-lb torque |
| Monoculars rotate independently out of view |
STOWAGE |
Flip-up out and above helmet |
| Fore/Aft/Tilt |
ADJUSTMENTS |
Fore/Aft |
| Ruggedized, lightweight, submersible |
DURABILITY |
Ruggedized, lightweight, submersible |
Available Accessories
Miniaturized Heads Up Display (M-HUD)
When added to NVGs, the M-HUD system can display a wide range of real-time information seamlessly:
- Alpha-Numerics
- GPS
- Wearable PC
- Video
- Weapon Sights
- Thermal Imaging
This simulation shows a representative HUD view. Here is an image of GPS data projected within the user's field-of-view displaying active waypoint, bearing, time to go, distance to waypoint, track-made-good, ground speed, and a course tracking bar.
Optional M-HUD Day Viewer
- Unobstructed forward view
- Mates to existing NVG mounts
- HUD with 320 x 240 resolution
- 18o display FOV
- Waterproof to min. of 10 meters
- Horizontal And vertical adjustment
- Secure, quick disconnect at display
- Two sensor input connections
- HUD display module, interchangeable onto AN/PVS-21 LPNVG
- Display battery Life: >6 Hrs
Flip Down Quick Re-Focus Lens
Immediate Refocus to 45 – 60cm
Permits facilitation of:
- Reading / Writing
- Radio Operation
- Viewing Vehicle Instruments
- Emergency Medical Ops
- Focus on weapon sights
- With NO refocusing of objective lens!
Shown attached to the AN / PVS21 LP-NVG
