Each air-to-glass surface has multiple anti-reflection coatings applied to ensure optimum light transmission, approaching 99.5%! Sky Watcher EvoStar 100 APO Doublet Refractor – Compact and Portable Optical Tube for Affordable Astrophotography and Visual Astronomy, White/Black (S11120) 4.6 out of 5 stars 87. Apochromatic ED doublet refractor optics: 72mm aperture, 420mm focal length, f/5.8 focal ratio. £482.00. The optical tube weighs less than your average Chihuahua, just 1,955g. ♦ Evostar 72mm ED refractor ♦ GP-Level dovetail ♦ Ring clamps ♦ Aluminum transport case ♦ Finder scope, diagonal or eyepiece are not included. Lacerta 72/432 f/6 ED APO OTA with OCTO Rack-and-Pinion Focuser in Alu Case with FIELD FLATTENER. Apertura 72mm FPL-53 Doublet APO Refractor. This high-end Evostar-72ED features a doublet objective lens with one Extra-Low Dispersion (ED) glass element. TS-Optics Photoline 72mm Doublet APO Refractor 72/432mm f/6 FPL53 and Lanthanum APO with 2.5" Dual Speed Rack & Pinion Focuser. £589.00. The ED element is precision-polished from high grade ED (Extra-low Dispersion) glass. Apertura's attractive refracting telescope has an aperture of 72mm, a focal length of 430mm, and a focal ratio of f/6. 72 mm apochromatic refractor with matched lens assembly with one ED element; 420 mm focal length (f/5.8) Dual-speed 2” Crayford-type focuser; Tube-ring attachment hardware with V-style dovetail plate; Aluminum case; Description; Specifications; Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. Only 5 left in stock - order soon. $950.00. incl. New 72ED Doublet Refractor from Sky-Watcher. TS ED 110 mm f/7 Apo refractor telescope with 3" Crayford focuser. Small apo class refractors such as the original Equinox 80ED used to be quite heavy for their size but the latest small scopes from Sky-Watcher and other manufacturers have brought the weight down considerably and the 72ED DS-Pro is no exception. £1169.00 . TS-Optics Photoline 1.0x Field Flattener for Photoline APO Refractors … We recommend following products: Eyepieces: TSWA32. instead 119,83 EUR only 99,11 EUR* * excl.Shipping costs. 81,03 EUR* * excl.Shipping costs. 16 % VAT excl. shipping costs. Compact 110 mm f/7 Apo Telescope with large 3" Crayford Focuser. APO Refractor Telescopes from 60mm to 200mm Aperture Here you find a wide range of color free APO Refractor Telescopes. Travel telescope for ... product number: TSO-TSAPO72F6 delivery time: 3-4 days 529,00 EUR. TS-Optics 32 mm 2" - 70° Wide Angle Eyepiece : NED15. These Telescopes have a 3-element objective for a better correcture than a 2-element ED refractor. No reviews by eKomi at this time. 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