{"title":"Skywatcher 82° Emerald Eyepieces","description":"\u003ch2\u003e\u003cstrong\u003eSkywatcher 82° Emerald Eyepieces\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eExplore Sky-Watcher Emerald ultra-wide eyepieces designed for immersive visual astronomy. This collection includes the 9mm, 16mm, and 22mm Emerald eyepieces with 82° apparent fields of view for lunar, planetary, deep-sky, and wide-field observing.\u003c\/p\u003e","products":[{"product_id":"sky-watcher-emerald-9mm-82-1-25-eyepiece","title":"Sky-Watcher Emerald 9mm 82° 1.25\" Eyepiece","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThe Sky-Watcher Emerald 9mm 82° 1.25-inch Eyepiece is an ultra-wide visual astronomy eyepiece designed for immersive, high-magnification observing. With an 82° apparent field of view, 7-element optical design, 8mm eye relief, filter threading, and an included carry case, it gives observers a wide, engaging view while keeping the eyepiece compact and easy to use.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThis eyepiece is best for visual observers who want a wider apparent field than standard Plössl-style eyepieces, especially for lunar observing, planetary viewing, double stars, globular clusters, and smaller deep-sky targets. It is suitable for beginner-to-intermediate observers upgrading their eyepiece kit, as well as experienced observers who want a compact ultra-wide 1.25-inch eyepiece.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-wide 82° view:\u003c\/strong\u003e Gives a more immersive observing experience and keeps objects in view longer on manual mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9mm focal length:\u003c\/strong\u003e Useful for higher magnification on the Moon, planets, double stars, and compact deep-sky objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25-inch compatibility:\u003c\/strong\u003e Works with common 1.25-inch focusers, diagonals, and filter systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-element optical design:\u003c\/strong\u003e Built for wide-field performance in a compact visual eyepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded carry case:\u003c\/strong\u003e Helps protect the eyepiece during storage and transport.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLunar and planetary observing.\u003c\/li\u003e\n\u003cli\u003eDouble stars and compact star clusters.\u003c\/li\u003e\n\u003cli\u003eHigher-power views in refractors, Maksutovs, Schmidt-Cassegrains, Newtonians, and Dobsonians.\u003c\/li\u003e\n\u003cli\u003eManual telescope users who benefit from a wider field of view.\u003c\/li\u003e\n\u003cli\u003eVisual observing with compatible 1.25-inch filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThe 9mm Emerald uses a 1.25-inch barrel and is threaded for compatible 1.25-inch filters. It can be used with telescopes that accept 1.25-inch eyepieces through the focuser or diagonal. As with any high-power eyepiece, final magnification depends on the telescope focal length.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShorter eye relief:\u003c\/strong\u003e The 9mm version has 8mm eye relief, which may be tight for observers who wear glasses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigher magnification:\u003c\/strong\u003e Performance depends on seeing conditions and telescope optics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use:\u003c\/strong\u003e This is an eyepiece for visual observing, not a camera adapter or imaging accessory.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\u003ch3\u003e\u003cstrong\u003eIs this eyepiece good for beginners?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eYes. It is a strong upgrade for beginners who want a wider, more immersive view than typical kit eyepieces, though the 9mm focal length is best used when seeing conditions support higher magnification.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt is best used for the Moon, planets, double stars, globular clusters, and compact deep-sky targets.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWill it fit my telescope?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt will fit telescopes that accept standard 1.25-inch eyepieces.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCan I use filters with it?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eYes. The eyepiece is threaded for compatible 1.25-inch filters.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhen should I choose a different focal length?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eChoose the 16mm or 22mm Emerald if you want lower magnification, a brighter view, or a wider true field for larger objects.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eOntario Telescope recommends the Sky-Watcher Emerald 9mm 82° eyepiece for observers who want a compact ultra-wide eyepiece for higher-power visual observing. It is especially useful when you want more field of view than a standard short focal length eyepiece while still using a 1.25-inch format.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":53206308913263,"sku":"S51002","price":300.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/skywatcher-emerald-9mm-82-eyepiece-main.jpg?v=1781023373"},{"product_id":"sky-watcher-emerald-16mm-82-2-eyepiece","title":"Sky-Watcher Emerald 16mm 82° 2\" Eyepiece","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThe Sky-Watcher Emerald 16mm 82° 2-inch Eyepiece is an ultra-wide visual astronomy eyepiece designed for immersive mid-power observing. It offers a wide 82° apparent field of view, a 7-element optical design, 14mm eye relief, filter threading, all-metal construction, and an included carry case.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThis eyepiece is best for visual observers who want a wider, more immersive view for star clusters, nebulae, lunar observing, and general-purpose deep-sky viewing. It is a strong upgrade for observers moving beyond standard kit eyepieces and works well for beginner-to-intermediate users who want a premium-feeling ultra-wide field.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-wide 82° field:\u003c\/strong\u003e Gives a panoramic view and helps keep objects in the field longer on manual mounts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16mm focal length:\u003c\/strong\u003e A useful mid-power option for many telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-inch format:\u003c\/strong\u003e Designed for telescopes and diagonals that accept 2-inch eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14mm eye relief:\u003c\/strong\u003e More comfortable than many short focal length ultra-wide eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll-metal construction:\u003c\/strong\u003e Built for repeated field use and a solid feel in hand.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOpen clusters, nebulae, and brighter galaxies.\u003c\/li\u003e\n\u003cli\u003eLunar observing at moderate magnification.\u003c\/li\u003e\n\u003cli\u003eGeneral-purpose deep-sky observing.\u003c\/li\u003e\n\u003cli\u003eManual Dobsonian and alt-az users who benefit from a wider apparent field.\u003c\/li\u003e\n\u003cli\u003eVisual observing with compatible 2-inch filters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThe 16mm Emerald uses a 2-inch barrel and is threaded for compatible filters. It should be used with telescopes, focusers, and diagonals that accept 2-inch eyepieces. Final magnification and true field of view depend on the telescope focal length and optical design.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequires 2-inch compatibility:\u003c\/strong\u003e This eyepiece is not intended for telescopes limited to 1.25-inch eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use only:\u003c\/strong\u003e This is an eyepiece for observing, not a camera adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalance considerations:\u003c\/strong\u003e Larger 2-inch eyepieces may require rebalance on some small telescopes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\u003ch3\u003e\u003cstrong\u003eIs this eyepiece good for beginners?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eYes, if the telescope accepts 2-inch eyepieces. It is a good upgrade for observers who want a wider view than standard eyepieces provide.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt is best for mid-power visual observing of clusters, nebulae, the Moon, and many general deep-sky targets.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWill it fit my telescope?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt fits telescopes that accept standard 2-inch eyepieces.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCan I use filters with it?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eYes. The eyepiece is threaded for compatible filters.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhen should I choose another focal length?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eChoose the 9mm for higher magnification or the 22mm for lower magnification and a wider true field.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eOntario Telescope recommends the Sky-Watcher Emerald 16mm 82° eyepiece as a versatile mid-power ultra-wide eyepiece for observers with 2-inch capable telescopes. It is a useful step up from standard kit eyepieces when a wider, more immersive field is the goal.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":53206319693935,"sku":"S51001","price":410.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/skywatcher-emerald-16mm-82-eyepiece-main.jpg?v=1781023398"},{"product_id":"sky-watcher-emerald-22mm-82-2-eyepiece","title":"Sky-Watcher Emerald 22mm 82° 2\" Eyepiece","description":"\u003ch2\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThe Sky-Watcher Emerald 22mm 82° 2-inch Eyepiece is an ultra-wide, low-power visual astronomy eyepiece designed for sweeping, immersive views. It offers an 82° apparent field of view, a 7-element optical design, long 22mm eye relief, filter threading, all-metal construction, and an included carry case.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThis eyepiece is best for visual observers who want a wider true field for large deep-sky objects, star fields, open clusters, nebulae, and relaxed low-power observing. It is a strong choice for Dobsonian, refractor, SCT, and other telescope owners with 2-inch eyepiece compatibility.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWhy Choose This Product?\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-wide 82° apparent field:\u003c\/strong\u003e Provides a panoramic, immersive view for visual astronomy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22mm focal length:\u003c\/strong\u003e Excellent for low-power scanning and larger celestial objects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfortable 22mm eye relief:\u003c\/strong\u003e Easier viewing during longer observing sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-inch barrel:\u003c\/strong\u003e Designed for telescopes, focusers, and diagonals that support 2-inch eyepieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreaded for filters:\u003c\/strong\u003e Supports compatible visual filters for lunar, nebula, and contrast-enhancement use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWide-field visual observing.\u003c\/li\u003e\n\u003cli\u003eOpen clusters, nebulae, large star fields, and bright galaxies.\u003c\/li\u003e\n\u003cli\u003eLow-power sweeping with Dobsonians and refractors.\u003c\/li\u003e\n\u003cli\u003eManual telescope users who want a wider field and easier object tracking.\u003c\/li\u003e\n\u003cli\u003eComfort-focused observing with longer eye relief.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eThe 22mm Emerald uses a 2-inch barrel and is threaded for compatible filters. It should be used with telescopes, focusers, and diagonals that accept 2-inch eyepieces. Final magnification and true field of view depend on the telescope focal length.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eImportant Limitations\u003c\/strong\u003e\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequires 2-inch compatibility:\u003c\/strong\u003e This eyepiece is not suitable for telescopes limited to 1.25-inch accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-power use:\u003c\/strong\u003e Choose a shorter focal length such as the 9mm Emerald for higher magnification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual use only:\u003c\/strong\u003e This is an eyepiece for observing, not a camera adapter or imaging accessory.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\u003ch3\u003e\u003cstrong\u003eIs this eyepiece good for beginners?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eYes, if the telescope accepts 2-inch eyepieces. It is a good upgrade for beginners and intermediate observers who want wider, more comfortable low-power views.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhat is it best used for?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt is best for large objects, wide-field scanning, open clusters, nebulae, and relaxed low-power observing.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWill it fit my telescope?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eIt fits telescopes that accept standard 2-inch eyepieces.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCan I use filters with it?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eYes. The eyepiece is threaded for compatible filters.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eWhen should I choose another focal length?\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eChoose the 16mm for mid-power viewing or the 9mm for higher magnification on the Moon, planets, and compact targets.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eOur Recommendation\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eOntario Telescope recommends the Sky-Watcher Emerald 22mm 82° eyepiece for observers who want a wide, comfortable, low-power eyepiece for visual astronomy. It is especially useful for sweeping star fields, viewing larger objects, and making manual tracking feel easier thanks to its wide apparent field.\u003c\/p\u003e","brand":"Sky-Watcher","offers":[{"title":"Default Title","offer_id":53206322085999,"sku":"S51000","price":430.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/skywatcher-emerald-22mm-82-eyepiece-main.jpg?v=1781023460"}],"url":"https:\/\/ontariotelescope.com\/collections\/skywatcher-82-emerald-eyepieces-1.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}