The FL 15~300 f/4.0 is a high-performance motorized mid-wave infrared (MWIR) zoom lens designed for 3.5~5μm infrared imaging systems. Featuring 20x optical zoom (15mm to 300mm) with a constant F/4.0 aperture and high-transmission optics, it balances wide-angle field of view and long-range detail capture. Ideal for security monitoring, industrial inspection, infrared reconnaissance, and forest fire prevention applications.
| OPTICS | |
| Focal Length | 15mm～300mm |
| F/# | 4.0 |
| Wavelength Coverage | 3.5~5μm |
| Mean Transmissivity | ≥86% |
| Sensor Type | 640×512 15μm |
| Angle Of Field | 35.84°×29.91° (15mm) / 1.93°×1.55° (300mm) |
| MACHINERY | |
| Focus Type | Motor-Driven |
| Focus Range | 10m~∞ |
| Outline Dimension | 132.5×102×104mm |
| Post-Work Distance | 5.75mm |
| Weight | 1080g |
| ENVIRONMENT | |
| Working Temperature | -40℃~+60℃ |
| Storage Temperature | -50℃~+70℃ |
