TWS13F Thermal Weapon Sight

  • Ideal for medium to long range weapon systems
  • 640 X 480, 12 micron thermal core
  • 50mm Objective lens for greater range capabilities

TWS13F Thermal Weapon Sight

The TWS13F dedicated thermal weapon sight uses state of the art thermal imaging core and high-end Germanium objective lens to provide users with crisp imagery in total darkness and challenging visual conditions such as smoke, fog, and dust. Constructed with extremely durable composite molded plastic and designed to meet or exceed MIL-STD-810G, the TWS13F can be used on a variety of long range sniper rifles and machine guns up to .50 caliber, such as M4, M2 and M240.

N-Vision Optics’ TWS13F weapon sight provides operators with a significant advantage in detecting, observing, and engaging targets. Combining a rugged and lightweight hi-tech composite material housing with advanced thermal imaging technology, the TWS13F  generates superior IR images and ensures target acquisition at maximum possible ranges.

Ideal for medium to long range weapon systems, the TWS13F is equipped with a 640X480, 12 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

640 x 480

Detector Pitch

12 µm

Frame Rate

60 Hz

Standard Mount

MIL-STD-1913 Picatinny or Weaver


Four reticles selectable and adjustable to boresight (M240B and M2 reticles included)

Digital Zoom

2X / 4X

Polarity Control

Black hot/white hot/color/edge

Analog Video Display Format


Display Type

Color OLED

Display Resolution

800 x 600

Diopter Adjustment

– 6 to +2 diopters

Power Source

4 CR123 batteries or USB

Power Conservation

Standby mode


2250 meters


820 meters


430 meters

Detection - Vehicle

4500 meters

Recognition - Vehicle

1870 meters

Identification - Vehicle

980 meters

Operating Temperature

-40°C to +55°C

Non-Operating Temperature

-40°C to +71°C

Size (L x W x H), mm

215 x 82 x 80



Storage Type

Internal. Non-removable

Image Access


Storage Capacity

60 images

Specification Sheet Download

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