![]() Eyepiece F Refracting Telescope 2-Element Objective Lens In the refracting telescope, light is collected by a 2-element objective lens and brought to a focus at F. In the Newtonian type of reflector, light is reflected by a small, flat secondary mirror to the side of the main tube for observation of the image. Reflecting Telescopes use a concave primary mirror to collect light and form an image. Meade refractors, in all models and apertures, include achromatic (2-element) objective lenses in order to reduce or virtually eliminate the false color (chromatic aberration) that results in the telescopic image when light passes through a lens. 1 Instruction Manual DS-2000 Series Reflecting and Refracting Telescopes AutoStar LNT SmartFinder MEADE.COMĢ Refracting Telescopes use a large objective lens as their primary light-collecting element.
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