Overview
The FNIRSI NVS-40 is a professional-grade digital night vision system designed for clear surveillance in complete darkness. Unlike monoculars, it features a large 3-inch high-definition widescreen display, allowing comfortable viewing with both eyes. Its dual-lens system supports both daytime (full color) and nighttime (grayscale or night-vision green) operation. With 4K video recording and up to 40MP photo resolution, it combines the functionality of a digital camera and telescope in one rugged device.
Key Features
- Dual-Lens Optical System: Improved light capture and better depth perception.
- 4K Ultra-HD Recording: Capture high-quality videos and images directly to MicroSD.
- Large 3″ Display: Wide, clear screen for comfortable real-time viewing.
- 7-Level 850nm IR: Adjustable infrared illumination for up to 300 m night visibility.
- 10x Digital Zoom: Smooth magnification for distant observation.
- Long Battery Life: 4000mAh rechargeable battery for extended usage.
Technical Specifications
| Feature | Specification |
|---|---|
| Video Resolution | 4K / 2K / 1080P |
| Photo Resolution | 40MP / 30MP / 24MP |
| Display | 3.0-inch Ultra-HD TFT Screen |
| Digital Zoom | 10× |
| IR Illuminator | 3W, 850nm Infrared LED |
| Visual Range | 250 m – 300 m (Full Darkness) |
| Lens | F1.2 Aperture, f = 35 mm |
| Battery | 4000mAh Lithium-ion (USB-C Rechargeable) |
| Storage | MicroSD support up to 128GB |


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