20mm Orion Expanse Telescope Eyepiece
by Orion
Buy new:
3 used & new from $29.99
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Review & Description
With their 66-deg apparent field of view, our Expanse wide-field eyepieces will definitely turn up the Wow! factor in your deep-sky observing experiences! Imagine taking in objects like the Andromeda Galaxy, the Double Cluster, or the star clouds in Sagittarius in one sweep! With an Expanse in your focuser, you can! Expanse oculars have big eye lenses and great eye relief 18mm. Eyeglass wearers can view the entire field without removing their glasses. All eyepiece elements are fully coated, with the outer lens multi-coated for additional light transmission. Each 1.25" aluminum barrel is threaded for filters and internally blackened to eliminate internal scattering. And their fold-down rubber eyeguards enhance contrast by blocking stray light. With our Expanse eyepieces you get a super wide field of view and superior optical performance. And check out the price. You also get a bargain!
Product Details
- Brand: Orion
Features
- This 20mm Expanse 1.25" telescope eyepiece offers a wide field of view and superior optical performance at a bargain price
- Long 18mm eye relief lets eyeglass wearers view the entire field comfortably without removing their glasses
- Expanse eyepieces offer a wide 66 degrees apparent field of view to let you see more of the sky
- Delivers sharp views with good color correction and high contrast
- Aluminum barrel is internally blackened to eliminate internal light scattering, and is threaded to accept 1.25" Orion filters
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