Celestron
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Celestron 1.25" Prism diagonal
$49.95A Star Diagonal lets you view objects that are at a 90° angle from the direction the telescope is pointing, thereby allowing comfortable viewing when the telescope is pointed at, or near, the zenith (i.e. directly overhead). The resulting image is right side up, but will be reversed from left to right. . . . -
Celestron 45° Prism for 1.25" eyepieces
$49.95This 45° image erecting diagonal is for 1.25" eyepieces in catadioptric telescopes with a 1.25" visual back or in refractors with a 1.25" focuser drawtube . . .