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Home Eyepieces Celestron Eyepieces Celestron Omni Plossl Eyepieces Celestron Omni Plossl 40mm Eyepiece
The 40mm long focal length Omni eyepiece is a 4 -element premium symmetrical Plossl optical design ideally suited to low power general observation through virtually any telescope.The Omni eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte finish that resists reflections and glare. Each eyepiece in the Omni Series includes a black rubber eyecup. It can be left up or folded down for better observations while wearing eyeglasses. Models with a longer barrel (15 mm, 32 mm, 40 mm) include a rubberized grip for non-slip handling during observing sessions. The insert barrel is threaded to accept 1.25” filters.
Celestron Omni series 40mm eyepieces offer a 43º apparent field of view, perfect for the Moon, planets, and a plethora of deep-sky objects. The premium four-element optical set is finished with multiple layers of high-transmission coatings for clear, sharp images. The edges of the optics are blackened for increased contrast.The Omni eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte finish that resists reflections and glare. Each eyepiece in the Omni Series includes a black rubber eyecup. It can be left up or folded down for better observations while wearing eyeglasses. Models with a longer barrel (15 mm, 32 mm, 40 mm) include a rubberized grip for non-slip handling during observing sessions. The insert barrel is threaded to accept 1.25” filters.Celestron Omni eyepieces are also available in the following focal lengths in a 1.25” format:4mm, 6 mm, 9 mm, 12 mm, 15 mm, 32 mm, 40 mmFocal Length 40 mm (1.57 in)Barrel Size 1.25 in (32 mm)Apparent Field of View 43 °Eye Relief (mm) 31 mm (1.22 in)Number of Lens Elements 4Threaded barrels accept 1.25" filters
Good low power eyepiece A great eyepiece for the price. Nice clear views and a fold down rubber eyecup for better comfort. Fully multicoated lenses and good fit and finish. (20/09/2020) Peter - Poole, Dorset
Great eyepiece - roll on the darker evenings Used this eyepiece for the first time with my new solar filter but can’t wait to use it on darker nights to look at the double cluster and other star clusters. Very clear eyepiece - will use it a lot (29/06/2020) Victoria - Dover, Kent
good value product and prompt service i purchased this 40mm lens to provide a wide view of about 30x magnification as an aid to viewing and finding targets with my fully manual Newtonian Telescope. I have only used it once but have already enjoyed the benefit that a low magnification can give in a city, light polluted environment. (22/01/2018) -
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