The eyepieces in Orion's Sirius Plossl line are their best-selling telescope eyepieces. They are of exceptional quality and within a reasonable price range!
Offering a wide 52° apparent field of view, this 12.5 mm Orion Sirius Plossl Telescope Eyepiece provides super sharp images of impressively high contrast. It's perfect for all types of telescopes: reflector, refractor, and catadioptric. The Plossl 4-element design is renowned for its top-notch performance, and has become the standard by which all other telescope eyepieces are judged and manufactured.
The Sirius Plossl optical system is multi-coated for excellent light transmission and bright views. Lens edges are blackened in order to reduce scattering of stray light and maximize contrast.
The lenses are mounted in black-anodized aluminum housings with a 1.25"-diameter chrome-plated brass barrel for durability and precision fit. The barrel is internally threaded to accept standard telescope filters. The built-in rubber eyeguard helps to block out ambient light and position the eye.
This 12.5 mm Orion Sirius Plossl Telescope Eyepiece is a useful intermediate focal length and performs well on both deep-sky and planetary subjects.
Field of View
Number of Elements
This 1.25" 12.5mm focal length eyepiece is ideal for all types of telescopes- reflectors, refractors, and catadioptrics
Multi-coated for optimal light and bright view quality
Moderate magnification performs well on both deep sky and planetary subjects
The 52° apparent field of view offers clear, sharp images of impressively high contrast
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