- 9mm 1.25" telescope eyepiece offers a wide field of view and superior optical performance at a bargain price
- Nice 15mm eye relief lets eyeglass wearers view the entire field without removing their glasses
- Wide 66deg apparent field of view lets you see more of the sky
- Delivers sharp images with good color correction and contrast
- Aluminum 1.25" eyepiece barrel is internally blackened to eliminate light scattering, and is threaded to accept 1.25" Orion filters
With its 66° apparent field of view, this 9mm 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 9mm focal length Expanse ocular has a big eye lens to peer into and a comfortable 15mm 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.
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!