Orion 8741 25mm Sirius Plossl Telescope Eyepiece This 1.25" 25mm focal length eyepiece is ideal for all types of telescopes: reflector, refractor, and catadioptrics including Maksutov-Cassegrains and Schmidt-Cassegrains A great 25mm focal length eyepiece for moderate-power observations of the Moon and planets of the solar system The 25mm Sirius Plossl provides crisp views of many deep-sky objects such as nebulas and star clusters Multi-coated to provide bright views with impressively high contrast Offers a 52 apparent field of view for clear, sharp images of celestial and terrestrial fare