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
Fully Multi-coated: Astromania 4mm Super Plossl eyepiece is engineered with 2 sets of 5 element design with fully multi-coated; the high-quality optics that minimize internal reflections and improve contrast
52 Degree Field Of View: The eyepiece have a wider 52 degree field of view than most eyepieces with a 4mm focal length and 6mm eye relief to see more detail; You can choose eyepiece with the right focal length for your telescope model which are parfocal