4.6毫米 F1.0 640×512 M19-3 LWIR热红外摄像机镜头
目录
概观
该 4.6毫米 F1.0 640×512 M19-3 LWIR热红外摄像机镜头 是高性能, uncooled infrared lens designed specifically for thermal imaging applications. Featuring an ultra-fast F-number of 1.0 and a wide field of view, this compact lens is optimized for 640×512 resolution detectors with a 12μm pixel pitch. Its robust athermalized optical design ensures consistent image quality across a wide temperature range (-40°C 至 +60°C), making it ideal for demanding outdoor and industrial environments. With an IP67 sealing rating and lightweight construction, it offers durability and ease of integration into various thermal camera systems.
特征
- Ultra-Low Light Performance: Bright F/1.0 aperture allows for maximum infrared light collection, enhancing sensitivity in low-contrast scenes.
- 广阔的视野: Diagonal FOV ≥100°, providing extensive coverage for surveillance and monitoring.
- Athermalized Design: Optical athermalization maintains focus and image clarity without mechanical adjustment across extreme temperatures.
- High Transmission & Uniformity: Average transmittance ≥90% and relative illumination >80% ensure bright, 明确, and uniform images.
- 崎岖 & 袖珍的: 轻量级 (<26G) 和小尺寸 (≤φ24mm × L26mm) with IP67 ingress protection against dust and water.
- Broad Spectral Range: Optimized for the standard long-wave infrared (lwir) band of 8~12μm.
- Flexible Focus: Continuous focus range from 0.3m to infinity.
产品规格
| 参数 | 规范 |
|---|---|
| 焦距 (FL) | 4.6 毫米 |
| F-Number (F/#) | 1.0 |
| Compatible Detector | 640 × 512, 12μm pixel pitch |
| 视野 (视场角) | ≥ 100° (Diagonal) |
| Spectral Band | 8 〜 12 微米 |
| Relative Illumination | > 80% |
| Average Transmittance | ≥ 90% |
| Focus Mechanism | Optical Athermalization |
| 对焦范围 | 0.3 m ~ ∞ |
| 涂层 | AR Coating (Anti-Reflective) on exposed surface |
| Back Focal Distance | 4.65 mm ± 0.2 毫米 |
| 重量 | < 26 G |
| 外形尺寸 | ≤ φ24 mm × L26 mm |
| 工作温度 | -40℃ ~ +60℃ |
| 储存温度 | -45℃ ~ +65℃ |
| Mount Interface | Rear flange mount (Lens thread: M19 × 0.5 – 6G) |
| Sealing Rating | IP67 |
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应用
Due to its wide angle, 高灵敏度, 和坚固耐用的设计, this lens is suitable for:
- 安全 & 监视: Perimeter protection, wide-area monitoring, and night vision systems.
- 工业检查: Monitoring large equipment, electrical panels, and manufacturing processes.
- 消防 & 救援: Thermal imaging cameras for seeing through smoke and detecting heat sources in wide environments.
- 汽车 & 运输: Pedestrian detection, night driving assistance, and blind-spot monitoring systems.
- 无人机 (无人机): Lightweight payload for aerial thermal mapping and search operations.
常见问题解答 (常问问题)
Q1: What detector resolution is this lens compatible with?
一个: It is specifically designed for uncooled infrared detectors with a resolution of 640 × 512 and a pixel pitch of 12微米.
一个: It is specifically designed for uncooled infrared detectors with a resolution of 640 × 512 and a pixel pitch of 12微米.
Q2: Does the lens require manual refocusing when the temperature changes?
一个: 没有. The lens features an optical athermalization 设计, which automatically compensates for temperature fluctuations between -40°C and +60°C, maintaining focus without mechanical intervention.
一个: 没有. The lens features an optical athermalization 设计, which automatically compensates for temperature fluctuations between -40°C and +60°C, maintaining focus without mechanical intervention.
Q3: Can this lens be used in rainy or dusty environments?
一个: 是, the lens has an IP67 sealing rating, making it dust-tight and protected against temporary immersion in water, suitable for harsh outdoor conditions.
一个: 是, the lens has an IP67 sealing rating, making it dust-tight and protected against temporary immersion in water, suitable for harsh outdoor conditions.
Q4: What is the closest focusing distance?
一个: The lens can focus on objects as close as 0.3 米, extending to infinity.
一个: The lens can focus on objects as close as 0.3 米, extending to infinity.
Q5: What type of mounting interface does it use?
一个: It utilizes a rear flange mount with a specific thread size of M19 × 0.5 – 6G. Ensure your camera housing supports this interface.
一个: It utilizes a rear flange mount with a specific thread size of M19 × 0.5 – 6G. Ensure your camera housing supports this interface.
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