CHANGING THE GAME ... AGAIN! FLIR Thermosight Pro-Series Thermal Imaging Weapon Sight | FLIR Systems  

FLIRThermosight Pro Series

Thermal Imaging Weapon Sight

The FLIR ThermoSight Pro Series® sets a new standard in thermal image quality. With multiple features packed into a compact housing, the ThermoSight Pro Series delivers brilliant, clean thermal imagery in low contrast daylight scenes, as well as in total darkness. Equipped with shot activated video recording and FLIR’s patent pending High Visibility Technology (HVT) reticle, the FLIR ThermoSight Pro Series is the perfect addition to any hunting or security weapon platform. It is powered by the new FLIR Boson core, featuring a 12 μm pixel pitch sensor, industry leading on-chip video processing. The uncompressed video signal is paired with a high definition display for better detection and classification in the field.



The advanced image processing of the FLIR ThermoSight ® Pro Series’ internal FLIR Boson thermal core and a bright high definition display create excellent image clarity for the hunter and provide better detection and classification, day or night.



The FLIR ThermoSight® Pro Seriesfeatures the perfect balance of size and performance. FLIR ThermoSight® Pro Series’ powerful and compact hardware is protected by a robust aircraft-aluminum alloy body and delivers outstanding thermal image quality in total darkness or through smoke, haze, fog, rain.



The FLIR ThermoSight® Pro Series is packed with features. Register memorable moments with on-board shot-activated video recording, image capture, and internal storage. Plus, multiple palettes and reticle patterns offer a superior, customizable viewing experience, while a digital compass/inclinometer enables precision range and target orientation.

FLIR Thermosight Pro Series Features


Exceptional Night Vision

The FLIR Boson camera core produces immaculate image quality on a high resolution FLCOS display for absolute clarity, day and night, without additional illumination


Built-in Recording

Internal storage of up 2.5 hours of recording or up to 1,000 pictures.


Digital Compass and Inclinometer

Experience precise range estimation and target orientation


Custom Viewing

Multiple thermal image palettes and reticle patterns, coupled with a generous 3" of eye relief, creates a fully customizable experience


Iconic FLIR Warranty

Enjoy FLIR's 10-year Detector warranty


Made in the USA

Have the peace of mind that comes from knowing your gear is made and supported in the USA

FLIR ThermoSight PRO Series Specifications

Model PTS233
Sensor Specifications
Core FLIR 12µm BOSON
Detector Type 320 x 256 VOx Microbolometer
Video Refresh Rate 30Hz
Image Processing FLIR Proprietary Digital Detail Enhancement
System Specifications
Lens System 19 mm; F/1.0
Optical Magnification 1.5×
Field of View (H x V) 12° x 9.5°
Digital Zoom 1×, 2×, 4×
Diopter Adjustment Range -5 to +5 dpt
Focusing Range 10m to infinity (not focusable)
Eye Relief 45 mm
Display Quad-VGA (1280 x 960) FLCOS
Internal Memory Up to 2.5 hours of recorded video or up to 1,000 pictures
Video Output Digital Video
Temperature Imaging Modes
(Image Palettes)
White Hot, Black Hot, Rainbow High Contrast, Ironbow, Sepia, Arctic, Outdoor Alert
Reticle Type Dot 4 MOA, Line Dot, Cross Center Dot, Cross, Crosshair, and "No Reticle"
Reticle Color Black, White, Red, and Cyan
Boresight Adjustment Type Digitally Controlled
Show more...  
User Interface
Operation Switch On/ Off/ Standby Mode
Control Panel Buttons Configures Operational Settings:
  • Display Brightness Control
  • Image Palette Control
  • Digital Zoom Control
  • Reticle Color Control
  • Reticle Pattern Control
  • Boresighting Adjustment
  • On-Screen Menu Navigation
USB-C Connector Digital Video Out, Laser Range Finder Connections
Battery Type Two CR123A 3V Lithium batteries
Battery Life (Operating) Up to 4 hr
External Power Through USB-Cport (5Vdc)
Operating Temperature Range -20°C to +50°C (-4°F to +122°F)
Storage Temperature Range -40°C to +60°C (-40°F to +140°F)
Weight 0.65 kg (1.44 lbs)
Size 220x68x84 mm (8.7x2.7x3.3 in)
Weapon Mount Type Picatinny, MIL-STD 1913, and Weaver Rails
Height of the Scope Axis above Rail 42 mm (1.65 in)
Color (housing) Black
Country Of Origin USA
Package Includes
Thermal Weapon Sight, CR123A Battery (2), Battery Cassette, Spare Battery Cassette, USB to USB Type C Cable (3'), Lens Cloth, Quick Start Guide, and Hard Carrying Case

*Disclaimer: Specifications are subject to change without notice. Availability of camera models and accessories subject to regional market considerations. Prices listed are US only, please consult your specific country for current pricing.


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All products are FLIR Factory Certified and come with a full warranty.