CGEM II

Celestron CGEM II series comes with the conventional Schmidt Cassegrain tube as well as with the new EdgeHD optics.

For decades Celestron has been offering a range of Schmidt Cassegrain telescopes with an excellent quality and price / performance ratio. Still, there was still room for improvement and that was reflected in Celestron’s new EdgeHD series.

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EdgeHD

The Edge HD series again consists of Schmidt-Cassegrain telescopes with the famous XLT coating. Only now are they aplanatic Schmid Cassegrains. This new optical design combines the compact power of the popular SCT with a virtually coma-free image across the entire field of view. This results in razor-sharp images and beautiful point-shaped stars right up to the edge of the image field. Many other manufacturers report that their telescopes in the center of the field of view are so-called “diffraction-limited.” But with the Edge HD telescopes from Celestron, the entire field of view is “diffraction-limited”!

Astrophotography

The absence of coma makes the EdgeHD series particularly suitable for astrophotography. That’s why Celestron has made all EdgeHD models Fastar compatible. With a Fastar system you can convert these telescopes into F2 astrographs. To make the astrophotographer completely happy, Celestron has further equipped the EdgeHD SCTs with a new mirror mount so that the main mirror can be fixed and virtually eradicates the dreaded “image shift”. To shorten the cooling time, special cooling openings have been made behind the mirror to allow air to circulate more easily past the main mirror.

This state-of-the-art optical technology must of course be supported by an equally sophisticated mount. That is why Celestron places the Edge HD series on the brand new Celestron CGEM II GOTO mount. This combination of technology is simply unbeatable for its price.

Naturally, the Celestron CGEM II Edge HD series offers a suitable model for any serious amateur astronomer, you can choose from an 8, a 9.25 and an 11 inch model below.

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