Thermal Clip-On Scope


The OE-TCOS is the professional-grade thermal clip-on sight for aiming and engagement designed to work seamlessly with a wide variety of firearms and daytime scopes.
The OE-TCOS is a plug-and-play unit, deployed in seconds with no zeroing needed. It is also a great tool for reconnaissance and tactical surveillance.
The latest generation silent and Auto-NUC sensor is at the base of the OE-TCOS. All hardware and software solutions are built around the sensor and offer exceptional image quality along with unique tools for added tactical advantage and user safety.


  • \Ergonomic, user-friendly keypad
  • \ Smooth and precise focus adjustment
  • \Can be equipped with weapon mounts
  • \Can be mounted directly on a dayscope (345/675 models)
  • \AMOLED display
  • \Multi-use MIL-STD-1913 side mounting bracket
  • \Rugged housing


Model OE-TCOS-45 OE-TCOS-75 OE-TCOS-100
Objective Lens 45 mm, F/1.1 50 mm, F/1.0 75 mm, F/1.3
Spectral Response 8-12 μm 8-12 μm 8-12 μm
Field of View 8.3°X6.2° 8.3°X6.2° 6.2°X4.7°
F.P.A. Format 384X288 640X480 384X288 | 640X480
Pixel Size 17μm 17μm 17μm
Thermal Sensitivity, (min.) <60Mk <50Mk <50Mk
Refresh Rate, (min.) 50 Hz 50 Hz 50 Hz
Optical Magnification 1X 1X 1X
AMOLED Display 800X600 800X600 800X600
Dimensions mm. 183X60X60 193X66X66 230X85X85
Weight gr. 535 520 750
Detection of Human Figure ~1500m ~2500m ~3330m
Detection of Idling Car ~2030m ~3380m ~4500m
Powered By AA battery 2xCR123 (LI./Rechargeable) 2xCR123 (LI./Rechargeable) 2xCR123 (LI./Rechargeable)
Cont. Operation time Up to 7 hours Up to 7 hours Up to 7 hours