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The Celestron EdgeHD optical tube series features aplanatic, flat field Schmidt-Cassegrain telescopes which produce aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma – EdgeHD optics produce a focal plane more than three-times flatter than a standard Schmidt-Cassegrain telescope and dramatically flatter than competing coma-free designs. This guarantees you visibly sharp stars across some of the largest CCD chips available today.

Superior edge performance not only creates rounder, more pleasing stars, but actually improves the resolution and limiting magnitude when compared to telescopes of equal aperture. With StarBright XLT optical coatings on every surface, the Celestron EdgeHD 8 gives you maximum light throughput across the widest visual and photographic spectrum.

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