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Sema Image
DT-TW21 is a high-performance digital day/night scope developed in accordance with modern sighting trends. It features low illumination adaptability, high imaging quality, high precision, and dual-use day and night capabilities. Its lightweight and cost-effective design makes it a versatile choice for various applications.
| MODE | DT-TW21 |
| Volume (mm) | 88x38x70(Handheld) / 88x38x82(Head-mounted) / 88x43x78(Clip-on) |
| Weight (g) | 140(Handheld) / 144(Head-mounted) / 92(Clip-on) |
| Battery | CR123A(1) / Battery pack |
| Battery life (H) | 3.5-4.5 |
| Waterproofing | IP67 |
| Compatibility | PVS31, PVS14, NVG18, DTS31, DTS35, DTG18, DTNH9, DTS13 |
| Multifunction | Handheld, Head-mounted, Clip-on |
| Type of sensor | Unrefrigerated long wave infrared thermal radiometer |
| Detector resolution | 384x288 |
| Applicable wavelength | 8-12um |
| Amplification factor | X 1.2 (Handheld/Head-mounted) / X 1.0 (Clip-on) |
| Field of view (FOV) | 32°(Clip-on) / 36°(Handheld/Head-mounted) Center of circle |
| Focal distance | Fixed-focus |
| Objective aperture | F1.0 |
| Luminance | Adjustable |
| Focussing distance | 250mm ~ ∞ |
| Image model | White/black/green/red/Highlight/Outline |





