Product features:
1. Durable metal body extends service life
2. The front section is wrapped in rubber for shock resistance and compression resistance
3. Continuous scaling from 20 to 60 times, allowing for arbitrary switching of size scenes
4. FMC full broadband anti reflection coating enhances resolution and makes the image clearer and sharper
5. The temperature ranges from -20 ℃ to 70 ℃, and it can be used normally in both tropical and high-altitude environments
6. 82mm large aperture, larger field of view, more comfortable viewing
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