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This is a used 3.5mm Orion Stratus in used but good condition. Includes a box, but no dust caps. There is a small streak in the coatings on the eye lens that should not significantly effect the views. It is otherwise reasonably clean.
- The ultimate in viewing comfort - our 3.5mm Stratus telescope eyepiece sports a monster 1-1/4"-diameter eye lens and a generous 20mm eye relief
- An ideal eyepiece for high-power yet wide-field views through a telescope of the Moon, planets and bright deep sky objects
- Large 68-deg apparent field of view for a nice and wide window into the heavens
- Fully multi-coated optical elements feature blackened lens edges for maximized light transmission and excellent contrast
With an apparent field of 68° -- which translates to a 71% greater viewing area than that of a typical 52° Plossl, this telescope eyepiece quite literally puts more stars in your eyes. In the same way you feel more a part of the action watching a big-screen TV, with this Stratus "sixty-eight" you will feel like you are really experiencing your celestial targets, rather than just viewing them from afar. You'll never go back to Plossls again!
But it isn't just the Stratus' field of view that will widen your eyes. This telescope eyepiece has a sophisticated eight-element optical configuration that features a monster 1-1/4"-diameter eye lens to look into. It has a generous 20mm eye relief, so you'll get the "big picture" even if you wear eyeglasses. The optics are fully multi-coated to maximize light transmission to your eyes, and the lens edges are blackened to ensure excellent contrast.
This 5mm Orion Stratus Wide-Field Telescope Eyepiece fits in both 1.25" and 2" focusers. It sports fold-down rubber eyeguards and a knobby rubber grip. The chrome barrel features a setscrew security recess and is threaded for filters. The telescope eyepiece comes with protective lens and barrel caps.
Eyepiece focal length
Apparent field of view
Number of elements
Barrel security recess
Blackened lens edges
- Dimensions 4.8 in. x 2.2 in.