Rigel 2" Aline Collimation Cap

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About this product

Now available in 2" format.

The Rigel Aline Collimation cap offers a convenient and affordable means of collimating a Newtonian telescope. 

If you simply look down the focuser drawtube it is hard to tell where to place your eye but if you look into your telescope through an Aline and you will see a bright white circle surrounding your eye's pupil, making it easier to centre the primary and secondary mirrors.

Fits firmly into your focuser's 2" eyepiece holder and features a convenient highly reflective inner surface.

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

Includes instructions. 

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