High resolution large aperture 4X objective lens
Technical specifications:
| MODEL | DT-ONX3 | DT-ONX4 | DT-ONX5 |
| FOV(°) | 12-15 | 5-10 | 4-8 |
| Optical dynameter | 3X Ф42 FL=50 | 4X Ф55 FL=70 | 5X Ф65 FL=90 |
| relative illumination | 95% | 95% | 95% |
| Optical aperture (objective) | F1.3 | F1.4 | F1.4/2.8 |
| Optical MTF | 150LP/mm | 150LP/mm | 150LP/mm |
| Optical distortion | 0.5%Max | 0.5%Max | 0.5%Max |
| Focusing range | 5M-∞ | 10M-∞ | 15M-∞ |
| Focusing mode | manual operation | manual operation | manual operation |
| Material |
High strength aviation aluminum |
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| shock strength |
>1000G |
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| Operating Temperature （℃） |
-50–+80℃ |
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| Relative Humidity |
5%-95% |
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| Waterproof |
IP65/IP67 |
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| Dimensions（mm） | 85x62x42 | 110x72x58 | 138x82x68 |
| Weight（no battery） | 129g | 214g | 330g |
