Fits in 1.25 inch focusers and easy to use; simply cap the telescope; remove the diagonal and place the eyepiece directly in the focuser
For aligning optics of Newtonian reflectors; dobsonian reflectors and Schmidt-Cassegrain Telescopes
The short collimator for mirror telescopes has a 45 degree plate for easier visual accuracy
Wide Range of Compatibility: Standard 1.25 inch female thread can be connected with 1.25 inch focuser of telescope or any other 1.25 inch telescope accessories, threaded for standard 1.25 inch astronomy filters and barlow lens
Exquisite Detailed Design: Fold-down rubber eyeguard offers a soft cushioned surface; the matte blackened lens edges effectively prevent stray light; coming with sturdy plastic dust caps-protect the eyepiece from dust and moisture