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Telescope Accessories & Parts

7 Items
Celestron Collimation Eyepiece for 1.25" Focusers

Celestron 1.25" Cheshire Collimation Eyepiece - 94182

SKU: CEL-94182
  • Optimally suited for precisely collimating Newtonian reflector telescopes, this Celestron 1.25" Cheshire Collimation Eyepiece is capable of aligning Schmidt-Cassegrains as well.
  • Fits 1.25" focusers and diagonals.
  • A small opening on one end and tiny cross hairs on the opposite end facilitate easy alignment.
  • Offers accuracy superior to simple collimation tools.
$39.95 $32.95
 

Astro Systems 1.25" Autocollimator Eyepiece - AUTOCOL

SKU: AST-AUTOCOL
  • This AstroSystems 1.25" Autocollimator fine tunes optical alignment following the use of the LightPipe/SightTube or laser collimator.
  • Uses a flat mirror to provide the optical system with a second reflection.
  • Doubles the accuracy of a Cheshire, LightPipe, or laser collimator.
  • Comes with a 14-page instruction booklet.
$49.00
 

Astro Systems Lite Pipe / Site Tube Combo - 1.25" - LPST

SKU: AST-LPST
  • This AstroSystems collimator combines LightPipe and SiteTube collimators into one simple, low-cost device.
  • LightPipe accurately aligns Newtonian reflector telescope optics, while the SightTube accurately aligns the focuser with the secondary mirror.
  • Construction consists of precision-designed anodized aluminum, acrylic insert, and stainless steel crosshair wires.
  • Comes with a 14-page instruction booklet.
$49.00
 

Farpoint 1.25" Collimating Cheshire Eyepiece - Blue - FP260

SKU: FAR-FP260
  • Virtually indestructible, this blue Farpoint Cheshire Collimation Eyepiece is a precision-machined alignment tool for 1.25" apertures.
  • Requires no batteries and comes with a mirror spotting template and triangle center spots to make center spotting a primary mirror an easier process.
  • The Cheshire collimating eyepiece peephole is inserted to replace the telescope focuser eyepiece.
  • Cheshire eyepieces do not have any lenses or other polished optical surfaces.
$30.00
 

Farpoint 2" Collimating Cheshire Eyepiece - Red - FP261

SKU: FAR-FP261
  • Virtually indestructible, this red Farpoint Cheshire Collimation Eyepiece is a precision-machined alignment tool for 2" apertures.
  • Requires no batteries and comes with a mirror spotting template and triangle center spots to make center spotting a primary mirror an easier process.
  • The Cheshire collimating eyepiece peephole is inserted to replace the telescope focuser eyepiece.
  • Cheshire eyepieces do not have any lenses or other polished optical surfaces.
$40.00
 
Orion Telescope Collimation Eyepiece

Orion Telescope Collimating Eyepiece - 4411

SKU: ORI-4411
  • For guaranteed precisely aligned reflector telescope optics, use this convenient Orion Telescope Collimating Eyepiece.
  • Combines a 1.25” Cheshire eyepiece with a sight tube measuring 5” in length.
  • Essential for aligning the internal optics of Newtonian reflectors, Dobsonians, and Schmidt-Cassegrain telescopes.
  • Includes a top peephole and bottom crosshairs with foldable eyeguard for removing glare during use.
  • Works with 1.25” telescope focusers as well as 2” focusers using a separately available 1.25” step-down adapter.
$39.99
 
Takahashi Collimating Scope

Takahashi Collimating Telescope - TKA00443

SKU: TAK-TKA00443
  • Made to enable simple collimation of Ritchey-Chretien, Mewlon, CN-212, Dall-Kirkham, and classical Cassegrain, as well as 1000 mm or larger focal length refractor telescopes.
  • This Takahashi Collimating Scope's front objective is equipped with a highly polished mirror fixed at a 45 degree angle from the light path of the telescope.
  • The mirror contains a sight hole located at the center for the collimating scope to look through.
  • Provides highly accurate collimation by combining 6x magnification with an extremely precise collimating scope consistently centered in the light path.
  • Requires the Takahashi S Coupling for use with Takahashi refractor telescopes.
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$284.00