{"product_id":"celestron-omni-series-40-mm-1-25-in-eyepiece-wide-comfortable-views","title":"Celestron Omni Series 40 mm 1.25 in Eyepiece - Wide, Comfortable Views","description":"\u003cp\u003eIn this review the Celestron Omni Series 40 mm 1.25 in eyepiece is assessed as an affordable, well-built option for amateur astronomers who want wide, comfortable views without a high price. The biggest reason to buy is its classic four-element Plossl design with multi-coated glass and blackened lens edges that deliver clear, high-contrast images of the Moon, planets and many deep-sky objects. It is presented here as a practical upgrade for those stepping up from basic eyepieces or completing a modest planetary and deep-sky kit.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-element Plossl design:\u003c\/strong\u003e Provides sharp images with good edge-to-edge focus for lunar and planetary observing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e43o apparent field of view:\u003c\/strong\u003e Gives a pleasant, moderately wide view that helps frame extended deep-sky targets without feeling cramped.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-coated optics:\u003c\/strong\u003e High-transmission coatings increase light throughput and improve contrast for fainter details.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRubber eyecup:\u003c\/strong\u003e Adds comfort and contrast and can be folded down for observers who wear glasses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatte aluminum barrel:\u003c\/strong\u003e A two-step anodized finish reduces reflections and gives a durable, professional feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25 in filter threads:\u003c\/strong\u003e The threaded barrel accepts standard 1.25 in filters for easier Moon and planetary work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Omni 40 mm is aimed at telescope owners who want a comfortable, low-power eyepiece for wide-field views of the Moon, star clusters and many nebulae; its combination of a 43o apparent field and Plossl optics makes it especially useful as a low-power finder and a scenic eyepiece for rich star fields. It also suits users looking for good build quality on a budget, since the aluminum body and rubberized handling details feel more premium than many entry-level alternatives.\u003c\/p\u003e\n\u003cp\u003eThose seeking ultra-wide or immersive panoramic fields should look elsewhere, as a 43o field is modest compared with modern wide-field designs. Likewise, very high-end imagers or visual observers demanding the absolute best edge correction at faster telescope focal ratios may prefer more complex eyepiece designs.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eClear, contrasty views from the multi-coated, blackened optics and Plossl design.\u003c\/li\u003e\n\u003cli\u003eComfortable rubber eyecup that folds for glasses and improves perceived contrast.\u003c\/li\u003e\n\u003cli\u003eWell-built matte aluminum barrel and rubberized grip on longer models for secure handling.\u003c\/li\u003e\n\u003cli\u003eFilter-threaded 1.25 in barrel adds practical versatility for lunar and planetary filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe 43o apparent field is not as wide as modern wide-angle eyepieces, so it is less immersive for some targets.\u003c\/li\u003e\n\u003cli\u003eIt is a classic Plossl design, so those seeking exotic optics for extreme edge correction may prefer higher-end options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eCelestron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eOmni Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical design\u003c\/td\u003e\n\u003ctd\u003e4-element Plossl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApparent field\u003c\/td\u003e\n\u003ctd\u003e43 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel size\u003c\/td\u003e\n\u003ctd\u003e1.25 in (threaded for filters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eMatte anodized aluminum with rubber eyecup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Celestron Omni 40 mm 1.25 in eyepiece is a solid, value-oriented choice for casual observers who want comfortable low-power views and trustworthy optics without spending a lot. Its combination of coated Plossl glass, blackened edges and a tidy aluminum body makes it good value for telescope owners upgrading from basic eyepieces or building a practical accessory kit.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this eyepiece accept filters?\u003c\/strong\u003e\u003cbr\u003eYes, the insert barrel is threaded to accept standard 1.25 in filters for lunar and planetary use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with eyeglasses?\u003c\/strong\u003e\u003cbr\u003eYes, the rubber eyecup can be left up or folded down to accommodate observers who wear eyeglasses.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this eyepiece good for deep-sky observing?\u003c\/strong\u003e\u003cbr\u003eIts 43o field and low-power focal length make it good for wide views of star clusters and many nebulae, though not as immersive as ultra-wide designs.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":48244891779291,"sku":"B00009R7UW","price":52.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/411UY_WBmRL._AC_SL1000.jpg?v=1776285579","url":"https:\/\/gearmusthave.com\/products\/celestron-omni-series-40-mm-1-25-in-eyepiece-wide-comfortable-views","provider":"GearMustHave","version":"1.0","type":"link"}