{"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\/products\/sky-watcher-emerald-22mm-82-2-eyepiece","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}