2. Ultra-wideband film: eyepiece objective lens, ultra-high transmittance of double-sided wide-band film, the average transmittance exceeds 99.5% in the spectral range of 400 nm to 680 nm.
3.BAK4 prism: BAK4 prism, the image is clear and sharp: at night, even in the case of insufficient light, the target point can be clearly seen, and the image is bright and transparent.
4. Magnesium alloy mirror body: Modern engineering technology wood material, special structural design, high strength, strong impact resistance, to ensure that the product can be used normally under extreme conditions.
5. Lens low throw technology: Classic optical polishing technology can guarantee the high definition of optical surface.