Thermal Imaging Weapon Sight

FLIR ThermoSight® PRO PTS233

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Powered by the breakthrough FLIR Boson core, the ThermoSight Pro Series® PTS233 weapon sight sets the standard for thermal detection and classification. Featuring a 12 µm pixel pitch sensor and 19mm lens, the PTS233 delivers brilliant, clean thermal imaging with a 12° × 9.5° field of view for greater precision. The entire ThermoSight Pro Series offers an uncompressed video signal, a high definition display, and shot-activated video recording.

Industry-leading Thermal Detection

  • Advanced Image Processing

    The FLIR ThermoSight ® PTS233 Pro Series thermal core creates stunning imagery for better detection and classification day or night.

  • Compact, Powerful

    The FLIR ThermoSight® Pro Series has a rugged aluminum alloy that can withstand drops in the field.

  • Superior Value

    Capture the moment with recoil-activated video recording and image capture, using multiple palettes and reticle patterns.

System Overview
Detector Type
320 x 256 VOx Microbolometer
Eye Relief
45 mm
Focus Range
10m to infinity (not focusable)
Internal Memory
Up to 2.5 hours of recorded video or up to 1,000 pictures
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
Size (L x W x H)
8.7" × 2.7" × 3.3" (220 x 68 x 84 mm)
0.65 kg (1.44 lbs)
1×, 2×, 4×
Boresight Adjustment Type
Digitally Controlled
Color (housing)
Height of the Scope Axis above Rail
1.65 in (42 mm)
Lens System
19 mm; F/1.0
Optical Magnification
Weapon Mount Type
Picatinny, MIL-STD 1913, and Weaver Rails
Connections & Communications
Video Output
Digital Video
Environmental & Approvals
Operating Temperature
-20°C to +50°C (-4°F to +122°F)
Storage Temperature
-40°C to +60°C (-40°F to +140°F)
Imaging & Optical
Digital Zoom
2x, 4x
Quad-VGA (1280 x 960) FLCOS
Field of View
12° x 9.5°
Image Processing
FLIR Proprietary Digital Detail Enhancement™
Diopter Adjustment Range
-5 to +5 dpt
Reticle Type
Dot 4 MOA, Line Dot, Cross Center Dot, Cross, Crosshair, Crossdash, and "No Reticle"
USB - C Connector
Digital Video Out, Laser Range Finder Connections
Battery Life (Operating)
Up to 4 hr
Battery type
2 CR123A 3V Lithium batteries
External Power
Through USB-C port (5Vdc)
White Hot, Black Hot, Rainbow High Contrast, Ironbow, Sepia, Arctic, Outdoor Alert
Reticle Colors
Black, White, Red, and Cyan
Video Refresh Rate
60 Hz
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
Operation Switch
On/ Off/ Standby Mode
Sensor Specifications
Media Gallery
FLIR ThermoSight Pro Series® Video Display Customization
FLIR ThermoSight Pro Series Video Display Customization

Export Restrictions

The information contained in this page pertains to defense article controlled for export by the International Traffic in Arms Regulations (ITAR). Diversion contrary to US law is prohibited. US Department of State authorization is not required prior to export or transfer to foreign persons or parties unless otherwise prohibited.

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FLIR ThermoSight® PRO PTS233