Vendo oculare tenuto in confezione originale per 10 anni senza mai toccarlo.
GSO SuperView 30mm 2" wide angle eyepiece ERFLE 30mm - 68° field of view Erfles made from GSO for Telescope Service offer a very good quality for an affordable price. Direct import from the factory allows us to offer them so cheaply without sacrificing quality! Specifications and Features of the WA Erfle 30mm: -- Focal Length: 30mm -- Field of view: 68° -- Coating: fully multi-coated -- Blackened lens edges: yes -- Field stop diameter: 42mm -- Eye relief: ca. 20mm -- Barrel diameter: 2" with filter thread -- Optical layout: 5 lenses in three groups (Erfle design) This eyepiece is recommended for the following telescopes: -- Newtonians with f/5 or longer -- Refractors with f/5 or longer --- All other telescopes with 2" focuser
25 Aprile 2026
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