

Continuous Zoom LWIR Lens 18-54mm f/0.9-1.2
The GCZ31812WKD features motorized zoom and focus control, enabling rapid, precise remote adjustments for real-time thermal imaging. Operating across the 8-12µm spectral band, the lens provides smooth continuous zoom from wide to narrow fields of view, with integrated autofocus that maintains image clarity during dynamic tracking operations. Designed for PTZ platform integration, it is ideally suited for demanding applications including forest fire monitoring, maritime surveillance, border security, and other long-range infrared observation missions.
- Focus: continuous zoom
- Interface: flange
- High accuracy, smooth zoom and focus performance
- Resistance to shock and vibration
- High optical performance and long lifespan
Specifications
HFOV | 160x120 | 320x240 | 336x256 | 384x288 | 640x480 | 640x512 | 1024x768 | 1280x1024 |
25µm | 4.2°-12.7° | 8.5°-25.1° | 8.9°-26.3° | 10.2°-29.9° | ||||
17µm | 2.9°-8.6° | 5.8°-17.2° | 6.1°-18° | 6.9°-20.6° | 11.5°-33.6° | 11.5°-33.6° | ||
12µm | 2°-6.1° | 4.1°-12.2° | 4.3°-12.8° | 4.9°-14.6° | 8.1°-24.1° | 8.1°-24.1° | 13°-37.7° | 16.2°-46.2° |
Optical
Focal Length(mm)
|
F/#
|
Wavelength
|
Focus Range
|
18-54mm
|
0.9-1.2
|
8-12μm
|
2m-Infinity/5m-Infinity
|
Mechanical
Interface
|
Focus Mechanism
|
Dimensions (mm)
|
Weight
|
Flange
|
Motorized
|
Ø108x151.8
|
1.3kg
|
Environmental
Operating Temperature
|
Storage Temperature
|
Front Element Sealing
|
External Coating
|
-40°C to +70°C
|
-50°C to +80°C
|
IP68
|
DLC
|
Electrical & Communications
Power Input
|
DC 12V Average
|
Optical Accessories
Related Products
Applications