3.Lens polishing technology: classical optical polishing technology can ensure the requirements of high-definition optical .
2.BKA4 prism: high light transmittance,transparent,clear and bright picture.
1. Ultra-high transmittance,double-sided broadband coating,the average transmittance exceeds 99.5% in the spectrum range of 400 nanometers to 600 nanometers
Observation range: 0.5m--2000m
4 ABS plastics: ultra-high strength and shockproof;
Description
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