of light transmission and image brightness.Achromatic lens made of high quality silicate.Eyepiece cup can be inverted for protection.Dustproof, light metal housing.Magnification with mounted stand magnifier:

housingFull field of view even for wearers of (sun-) glasses through special eyepieces with retractable cups.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Weatherproof

housingFull field of view even for wearers of (sun-) glasses through special eyepieces with retractable cups.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Weatherproof

housingFull field of view even for wearers of (sun-) glasses through special eyepieces with retractable cups.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Weatherproof

housingFull field of view even for wearers of (sun-) glasses through special eyepieces with retractable cups.Nitrogen filling prevents misting of the internal optics if the temperature fluctuates.Weatherproof