Rigel Systems
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Aline
1.25" and 2" Telescope Collimation Eyepieces

Brighter than any Cheshire eyepiece for a fraction of the cost!

A Must for Rich Field and Fast Newtonians & Dobsonians

 

Look Into Your Telescope Through an Alines and you see a bright white circle surrounding the image of your eye's pupil, making it easier to center the primary and secondary mirrors, which is especially important for aligning rich field and fast Newtonian and Dobsonian telescopes.

 

1000's of Alines are in use around the world (yes thousands) since Rigel Systems introduced the first retroreflector collimation eyepiece in 1995. Simple in design, Aline uses an ultra-reflective microprism retroreflector and the light gathered by your telescope to produce a brighter image than "classical" Cheshires or other so called "reflective" cheshires (which are retroreflector collimation eyepieces -- not cheshires) that use less reflective microsphere retroreflectors.

 

Our 2" Alines now features a 3/4" black center in the micrprism reflector which, when used with our 3/4" fat triangle mirror center spot(beefed up on the sides to make removal from backing without tearing) enhances and simplifies collimation.

 

1.25" Aline only $9.99

BONUS Included Free!
Retro-Reflective Mirror Centering Spot

Enclosed with your Aline is a highly reflective mirror center spot 5/8” diameter, to update your mirror center spot for better visibility with your Aline during collimation, especially under low light levels.

 

2" Aline only $14.99

BONUS Included Free!
Retro-Reflective Mirror Centering Spot

Enclosed with your Aline is a highly reflective mirror center spot 3/4" fat triangle, to update your mirror center spot for better visibility with your Aline during collimation, especially under low light levels.

 

What's included

  1. Aline
  2. Reflective Mirror Center Spot
  3. Instructions

Downloads

 

Aline Instructions

 

Collimation and the Newtonian Telescope by Don Pensack

 

New Perspectives on Newtonian Collimation by Vic Menard