Description
12x50 HD High Power Monocular Telescope -Upgraded BAK4 Prism provides a higher refractive index and better optical effect than BK7 prism, strengthen the key function of a monocular, make view brighter, clearer and delivers crisp images. 【Superior Optics】Equipped with BAK-4 prism and fully muti-coated lens, superior light transmission and brightness and the light transmittance reaches up to 99.5%.