LightIR 18-225mm f/4

HD FORMAT

LightIR 18-225mm f/4

Motorized Continuous Zoom
P/N 680473

  • Meets low-SWaP demand with long EFL
  • Efficient compact optics design for max. volume use
  • Designed for MWIR 10µm SXGA and 15µm VGA Detectors
  • Ideal for mini/micro tactical payloads
  • Detection range exceeds 16km

Data Fields

WFOV (18mm)

Pitch Format
320x256480x384640x5121280x1024
15μ15.2°22.6°29.9°
10μ10.2°15.2°20.2°39.1°

NFOV (225mm)

Pitch Format
320x240480x384640x5121280x1024
15μ1.2°1.8°2.4°
10μ0.8°1.2°1.6°3.3°
Property Value
OpticalWFOVNFOV
Focal Length18mm225mm
F/#4.04.0
Cold Stop to FPA Distance19.4-20.5mm19.4-20.5mm
Cold Stop CAØ4.88mm (for 19.2-20.5mm CSH)Ø4.88mm (for 19.2-20.5mm CSH)
Average transmission (3.4-4.9μm)≥80% (HCLR) / ≥82% (HD)≥80% (HCLR) / ≥82% (HD)
Back Focal Length26.9mm in air (with 1+0.5mm Ge windows)26.9mm in air (with 1+0.5mm Ge windows)
Distortion< 2.5%< 0.5%
Minimum Focus Range5m50m
Nuc (by defocus)YesYes
Mechanical
Focus MechanismMotorized. Adjustable
Focus Time (minimum range to ∞)<2 sec.
Zoom Time (NFOV to WFOV)<5 sec.
Weight326gr
Max. DimensionsØ61.4 x 84mm
Electrical
Lens ControlDesignated lens controller
Supply Voltage6-12VDC
Current Consumption< 0.5A average, 1.0A peak
Communication ProtocolRS422
Environmental
Operating Temperature-32ºC to +75ºC
Storage Temperature-54ºC to +85ºC
SealingIP67 front element only

ICD

Configurations

680473-001High Durability
680473-002Hard Carbon Low Reflection

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