Celestro focal reducer agena astro12/1/2023 ![]() ![]() Agena Synta / Vixen Style Dovetail Mounting Base / Shoe for Finders - M4 Screw for GSO Crayf. Baader 1.25' & 2' Hyperion Mark IV 8-24mm Zoom Eyepiece with 1.25' 2.25x Hyperion Barlow H. A reducer is a set of converging (or positive) lenses that cause the light from a telescope objective to converge at a steeper angle to the focal plane as if it were coming from an objective with a faster (lower) focal ratio and a shorter focal length. Baader AstroSolar Visual Solar Filter Film (ND 5) - Eco Size Piece 140x155mm (5.5圆.1') 24. It also leads to larger (although fainter) images of extended objects like the Moon or planets for astrophotographers or visual observers.Ī focal reducer does just the opposite of a Barlow lens or focal extender. Star charts generated using Cartes du Ciel. A longer effective focal length leads to higher magnification with a given eyepiece for visual observers. Bad weather has prevented me from using this item so Ill comment on Agena Astro. As you add equipment to the view, the details will appear below. Most amateur astronomers are familiar with a Barlow lens (or a focal extender), a negative or diverging lens that effectively increases the focal length and the focal ratio of a telescope's objective lens. ![]() William Optics ZenithStar Z61II 61mm f/5.9 Doublet Apo Refractor with Soft Case A-Z61II (A. Sharpstar 61EDPH II 61mm f/5.5 ED Triplet Apo Refractor Telescope with 0.8x Reducer / Flatte. Sky-Watcher GoTo Dobsonian and EQ Mount Sale How Focal Reducers Work 2.1 Some Basic Definitions 2.2 Using a Focal Reducer at the Working Distance 2. William Optics GT71 71mm f/5.9 Apo Refractor (Red) with Soft Case & Flat6AIII Field Flattene.Color Correction & Minus Violet Filters.Correctors, Focal Reducers & Flatteners. ![]()
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