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Collimating tube
$63.00The Takahashi TCE0030 collimating tube provides crosshairs to convert the Takahashi TCE0020 collimating eyepiece into a sighting tube for collimating Newtonian reflectors. -
Astro-Tech Newtonian reflector collimating tool
$34.95The Astro-Tech ATCOLL 1.25" dual-purpose Newtonian reflector collimating tool combines a sight tube and a Cheshire eyepiece. Unlike more expensive competitive Cheshire eyepieces, it has a soft fold-down rubber eyecup to improve contrast during use and protect eyeglasses from getting scratched.
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Takahashi Collimating scope for Ritchey-Chrétiens, Dall-Kirkhams, and refractors
$354.00This Takahashi 6 x 18mm collimating scope is designed to help you align the optics of Dall-Kirkham, Ritchey-Chrétien, and refractor telescopes. -
Celestron Newtonian reflector collimating tool
$39.95The Celestron Newtonian reflector collimating tool is a combination of a sight tube and a Cheshire eyepiece in a single unit. It has the precisely centered sighting hole and crosshairs of a sight tube, plus the cutout in the side of the tube containing the very precise 45° angle reflecting surface of a Cheshire . . .