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
Accurate collimation is essential for high power observing; stars will become more like pin points of light and Planetary Lunar detail will be enhanced
Metal filter cell threads directly into the 1.25- inch barrel of your telescope eyepiece
Enhances the contrast of the moon and planets in photographic images