The newly designed high definition ED lens in Vixen's ED103S Refractor Telescope gives excellent optical performance in a short optical tube for easy handling. Vixen's ED Achromatic Refractors feature "Super Low Dispersion Glass" in the objective lens. The SD Glass in Vixen's ED103S Refractor Telescope suppresses residual chromatic aberration far under the threshold of visibility producing sharp, high contrast images for both the visual observer and the astrophotographer. The new SD lenses feature brighter images from the shorter f/7.7 focal ratio and capture crisp, pinpoint star images for your eye’s enjoyment. Vixen's SD glass produces clear and high contrast viewing, virtually free of false color. The design uses environmentally friendly glass technology, free of hazardous lead that helps to support a cleaner global environment.
Vixen's new lenses focus the full visible spectrum of visible light to a critical point much more accurately than past ED products. The ED103S Refractor Telescope's lenses are almost free of chromatic aberration in all colors and are critically sharp edge to edge. The astro-photographer will be especially pleased with the high contrast images through this telescope. The ED103S Refractor Telescope comes complete with 90mm tube rings, compression ring, and Vixen Dual Speed Focuser. Manufactured in Japan; Dimensions: 115mm x 800mm/ 4.5 x 31.5 in; Weight: 3.6kg/ 7.9 lbs