Orion 20mm Expanse 1.25″

69.95 $

With its 66° apparent field of view, this 20mm Orion Expanse Telescope Eyepiece 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!

This 20mm focal length Expanse ocular has a big eye lens to peer into and a long, comfortable 18mm eye relief. 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. The 1.25″ aluminum barrel is threaded for filters and internally blackened to eliminate internal scattering. And its fold-down rubber eyeguard enhances contrast by blocking stray light.

SKU: 04sky00004 Category:

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