TWS13B Thermal Weapon Sight

  • Ideal for medium to long range weapons
  • 336 X 256, 17 micron thermal core
  • 50mm Objective lens for greater range capabilities

TWS13B Thermal Weapon Sight

N-Vision Optics’ newly redesigned TWS13 dedicated thermal weapon sight line-up provides operators with a significant advantage in detecting, observing, and engaging targets in all conditions, day or night. Combining a rugged and lightweight hi-tech composite material housing with advanced thermal imaging technology, the TWS13 series of weapon sights generate superior IR images and ensures target acquisition at maximum possible ranges.

Ideal for medium to long range weapon systems, the TWS13B is equipped with a 336X256, 17 micron core with a 50mm objective lens allowing for greater detection, recognition, and identification ranges.


Uncooled vanadium oxide (VOx) microbolometer

Spectral Response

7.5 – 13.5 µm

Detector Resolution

336 x 256

Detector Pitch

17 µm

Frame Rate

30/60 Hz

Standard Mount

MIL-STD-1913 Picatinny or Weaver

Digital Zoom

2X, 4X

Polarity Control

Black hot/white hot

Power Source

4 CR123 batteries or external 12V DC

Power Conversion

Standby Mode

Detection Range typical/best, for Man Size Target

1500/1700 meters

Recognition Range typical/best, for Man Size Target

380/430 meters

Identification Range typical/best, for Man Size Target


Operating Temperature

-40°C to +50°C

Size (L x W x H), mm

215 x 82 x 80



TWS13B Specification Sheet Download

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