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Tau 2 LWIR Thermal Imaging Camera Cores

FLIR Tau 2 thermal imaging cameras offer an unmatched set of features, making them well-suited for demanding applications like Unmanned Airborne Vehicles (UAVs), thermal weapon sights, and handheld imagers. Improved electronics now give Tau 2 even more capabilities, including radiometry, increased sensitivity (<30mK), 640/60Hz frame rates, and powerful image processing modes that dramatically improve detail and contrast. Since the electrical function are common between the Tau 2 640, 336 and 324, integrators have direct compatibility between the different camera formats, and Tau camera versions share many of the same lens options.

New features:

  • 2nd generation Digital Detail Enhancement™
  • Active Contrast Enhancement™
  • Smart Scene Optimization™
  • Information Based HEQ™ that automatically adjusts AGC
  • Silent Shutterless NUC™
  • Accurate temperature measurement for radiometry, analytics and telemetry

There is no difference in form or fit between Tau 2 and the first generation Tau cameras. The upgraded Tau 2 electronics enable additional functions and capabilities that are planned for release on a periodic basis. A comparison of the flir thermal imagers can be found here: Thermal Core Feature Comparison. Note that earlier versions of Tau (1.X) cannot be upgraded to the newer Tau 2 configuration.

Choose a Thermal Core:
FLIR TAU 2 324

FLIR TAU 2 324

FLIR TAU 2 336

FLIR TAU 2 336

FLIR TAU 2 640

FLIR TAU 2 640

Thermal Imager Uncooled VOx Microbolometer
Resolution 324x256 336x256 640x512
Lens Options
Effective Focal Length (EFL) | Horizontal Field of View (HFOV)
  7.5mm | 63°x50°
9mm | 48°x37°
13mm | 34°x26°
19mm | 24°x18°
25mm | 18°x14°
35mm | 13°x10°
50mm | 9.1°x6.9°
60mm | 7.6°x5.7°
100mm | 4.6°x3.7°
7.5mm | 45°x35°
9mm | 35°x27°
13mm | 25°x19°
19mm | 17°x13°
25mm | 13°x10°
35mm | 9.3°x7.1°
50mm | 6.5°x5°
60mm | 5.5°x4.2°
100mm | 3.3°x2.5°
7.5mm | 90°x69°
9mm | 69°x56°
13mm | 45°x37°
19mm | 32°x26°
25mm | 25°x20°
35mm | 18°x14°
50mm | 12.4°x9.9°
60mm | 10.4°x8.3°
100mm | 6.2°x5°
Spectral Range 7.5 µm – 13.5 µm
Color Palettes:
Number of Palettes: 14 Palettes
Available Palettes: WhiteHot, BlackHot, Fusion, Rainbow, Glowbow, Ironbow 1, Ironbow 2, Sepia, Color 1, Color 2, IceFire, Rain, RedHot, GreenHot
Operating Temperature Range -40°C to +80°C
Sensitivity <50 mK at f/1.0
Continous Zoom
Physical Attributes
Size: 1.75” × 1.75” × 1.75”
without lens
Weight: Configuration Dependent
Precision Mounting Holes: 6 attach points in lens mount,
M2 x 0.4 on 3 sides,
2 per side (sealable bulkhead mounting
feature on lens barrel [M29 × 1.0], WFOV only)
Input Supply Voltage: 4.0 - 6.0 VDC
Remote Control Interface Available:
Voltage Regulator Available:
Primary Electrical Connector 50-pin Hirose
Operational Altitude +40,000 feet