Features:
-Fits in 1.25" and easy to use;simply the , remove the diagonal, and place the eyepiece directly in the .
-For aligning optics of Newtonian reflectors, Dobsonian reflectors, and Schmidt-Cassegrain Telescopes (SCTs).
-The short collimator for (reflector) telescopes has a 45 degree plate for easier visual accuracy.
-Item was aluminum with crossh at the bottom allow quick and precise centering of the optics.
-This collimation eyepiece can be used for precisely collimating the Newtonian and Schmidt-Cassegrain reflector telescopes for better for image .

Description:
To get the most out of your Newtonian scope you really need to or the . It can take some for time getting used to aligning both the secondary and primary and this short collimator can make it much easier. The short collimator for (reflector) telescopes has a 45 degree plate for easier visual accuracy. Collimation is the alignment of inside an optical like a . Colimating a consists of adjusting the tilt and position of the and lenses to that the focal point reaches for for focus from which the for image will be viewed (the eyepiece or possibly a camera).

Specifications:
Aluminum Metal Structure
Size: 32mm * 65mm / 1.25in * 2.56inch

Package include:
1 * Collimating Eyepiece