LightIR 18-225mm f/4
Which product are you looking for? 
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
ICD
WFOV (18mm)
| Pitch | Format | |||
|---|---|---|---|---|
| 320x256 | 480x384 | 640x512 | 1280x1024 | |
| 15μ | 15.2° | 22.6° | 29.9° | |
| 10μ | 10.2° | 15.2° | 20.2° | 39.1° |
NFOV (225mm)
| Pitch | Format | |||
|---|---|---|---|---|
| 320x240 | 480x384 | 640x512 | 1280x1024 | |
| 15μ | 1.2° | 1.8° | 2.4° | |
| 10μ | 0.8° | 1.2° | 1.6° | 3.3° |
| Property | Value | |
|---|---|---|
| Optical | WFOV | NFOV |
| Focal Length | 18mm | 225mm |
| F/# | 4.0 | 4.0 |
| Cold Stop to FPA Distance | 19.4-20.5mm | 19.4-20.5mm |
| Cold Stop CA | Ø4.88mm (for 19.2-20.5mm CSH) | Ø4.88mm (for 19.2-20.5mm CSH) |
| Average transmission (3.4-4.9μm) | ≥80% (HCLR) / ≥87% (HD) | ≥80% (HCLR) / ≥87% (HD) |
| Back Focal Length | 26.9mm 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 Range | 5m | 50m |
| Nuc (by defocus) | Yes | Yes |
| Mechanical | ||
| Focus Mechanism | Motorized. Adjustable | |
| Focus Time (minimum range to ∞) | <2 sec. | |
| Zoom Time (NFOV to WFOV) | <5 sec. | |
| Weight | 326gr | |
| Max. Dimensions | Ø61.4 x 84mm | |
| Electrical | ||
| Lens Control | Designated lens controller | |
| Drive Voltage | 12V | |
| Current Consumption | < 0.5A average, 1.0A peak | |
| Communication Protocol | RS422 | |
| Environmental | ||
| Operating Temperature | -32ºC to +75ºC | |
| Storage Temperature | -54ºC to +85ºC | |
| Sealing | IP67 front element only |
ICD
Configurations
| 680473-001 | High Durability |
| 680473-002 | Hard Carbon Low Reflection |
