KEW
LWIR 25-225mm F/1.5 Continuous zoom Lens
for 640 x 480 x 17µ uncooled detectors
SYSTEM FEATURES:
- The ultimate zoom lens for medium range 24/7 surveillance systems
- Excellent MTF performances
- Optimized for relatively short total track and low weight
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| Optical | ||
|---|---|---|
| Focal Length / F# | 25-225 mm / F1.5 | |
| Detector (FPA) type / size | Up to 640 x 480 x 17µ | |
| Optical Spectral Range | 8-12µ | |
| HFOV (degrees) | Wide: 24.5° | |
| Narrow: 2.8° | ||
| Optical Coatings | ||
| All internal surfaces | High efficiency AR coating | |
| Front surface | DLC coating | HDAR is available upon request |
| Mechanical | ||
|---|---|---|
| Mechanical Back Focal Length | 12.15 mm | |
| Focus / Zoom mechanism | Motorized | |
| Total Weight | 3Kg | |
| Ext. Dimensions ø x length (mm) | 188 x 208 |
| Electrical | ||
|---|---|---|
| Power Input | 12VDC, 3.0A | |
| Communication Protocol | RS-422/232 Full Duplex |
| ENVIRONMENTAL | ||
|---|---|---|
| Operating/Storage Temperature | -25ºC to +55ºC / -40ºC to +70ºC | |
| Shock and Vibrations | Per applicable standard | |
| Front lens sealing | IP66 | IP67 By request |