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Premium quality Japanese-made orthoscopic eyepieces.
Originally developed by Ernst Abbe for microscopy, these genuine orthoscopics utilise Abbe's original design with finely polished glass and multi-layer broadband optical coatings on all air-to-glass surfaces. (Some competing products have only one or two multi-coated surfaces, the remainder being mono-coated). Astro Hutech Astro orthoscopics also feature blackened lens edges and proper internal baffling for maximum light transmission, high contrast, excellent colour correction and freedom of distortions.
42-degree field of view with sharply defined field-stops.
Each eyepiece is slightly indented for comfortable eye positioning.
Smooth-side chromed barrels are threaded for 1.25" filters.
(Photo shows 25mm eyepiece)
Note to spectacle wearers: The 18mm and 25mm focal lengths are good choices for spectacle wearers but for shorter focal lengths the Celestron XCel LX series eyepieces have greater eye-relief so are better suited.