ORION EXPANSE 15MM EYEPIECE IN JOHANNESBURG

Orion Expanse 15mm Eyepiece Product Info With its 66° apparent field of view, this 15mm 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! Expanse oculars have big eye lenses and great eye relief (13mm to 17mm). 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. Specifications: Design Ultrawide Eyepiece focal length 15.0mm Barrel size 1.25" Apparent field of view 66.0° Eye relief 13.0mm Coatings Multi-coated Number of elements 4 Filter threads Yes Parfocal No Field stop diameter 17.0mm Barrel security recess Yes Blackened lens edges Yes Rubber eyeguards Yes Body material Aluminum Case No Weight (oz.) 3 Dimensions 1.9 in. x 1.3 in. Warranty One Year Package Contents: Orion Expanse 15mm Eyepiece