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Celestron EdgeHD 800
OTA |
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EdgeHD is an aplanatic, flat field Schmidt-Cassegrain
telescope that produces 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; it also provides an
astrograph-quality flat focal plane all the way to the edge of the field
of view. 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 visibly sharp
stars across some of the largest CCD chips available today.
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With Celestron’s StarBright XLT optical coatings on every
surface, EdgeHD optics gives you maximum light throughput across the
widest visual and photographic spectrum. Flexible tension clutches hold
the mirror in place and reduce image shift when taking long exposure
astro-images. Once focused, the flexible rods allow the mirror to be
held in place without putting any force or pressure on the mirror
assembly, keeping the image centered in the eyepiece (or on the sensor).
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Cooling vents located on the rear cell allow hot air to
be released from behind the primary mirror. At its native f/10, that
achieve the image scale necessary to capture the smallest of deep sky
objects. Every EdgeHD that ships has been tested not only for the
surface quality of each optical component, but also with a camera and
artificial star to ensure the imaging system meets our rigid quality
assurance. A 9x50 finderscope is provided to locate objects quickly and
accurately. The telescope is supplied with dovetail rail that is
compatible with CG-5 mount. |
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Celestron EdgeHD 800 OTA With Dovetail Plate For CG-5 Mount |
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