{"product_id":"explore-scientific-82-ar-eyepiece-11mm-1-25","title":"EXPLORE SCIENTIFIC 82° Ar Eyepiece 11mm (1,25\")","description":"\u003ch2 class=\"textcolorrsab new\"\u003eEXPLORE SCIENTIFIC 82° AR Eyepiece 11mm (1.25 inch)\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-start=\"241\" data-end=\"274\"\u003eKey Features \u0026amp; Build Quality\u003c\/h2\u003e\n\u003cul data-start=\"276\" data-end=\"1311\"\u003e\n\u003cli data-start=\"276\" data-end=\"550\"\u003e\n\u003cp data-start=\"278\" data-end=\"550\"\u003eThe 11 mm 82° Ar eyepiece belongs to the 82° Series of eyepieces from Explore Scientific, known for \u003cstrong data-start=\"378\" data-end=\"426\"\u003eultra-wide 82° apparent field of view (AFOV)\u003c\/strong\u003e — a “rich-field” experience that immerses the observer in a broad swath of the sky.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"551\" data-end=\"833\"\u003e\n\u003cp data-start=\"553\" data-end=\"833\"\u003eThe eyepiece is \u003cstrong data-start=\"569\" data-end=\"609\"\u003eargon-purged and waterproof \/ sealed\u003c\/strong\u003e. This design prevents internal fogging, dust ingress, moisture, and fungus — a significant plus especially in humid climates or if you often observe under variable weather conditions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"834\" data-end=\"1101\"\u003e\n\u003cp data-start=\"836\" data-end=\"1101\"\u003eConstruction is high quality: multi-element optics (dense crown, flint, lanthanum glass combinations), full multi-coatings, and lens edges blackened to reduce internal reflections and maximize contrast and light transmission.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1102\" data-end=\"1311\"\u003e\n\u003cp data-start=\"1104\" data-end=\"1311\"\u003eThe eyepiece includes a foldable or twist-up rubber eyecup — helpful for comfort and for blocking stray stray light.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1318\" data-end=\"1364\"\u003eOptical Performance \u0026amp; Viewing Experience\u003c\/h2\u003e\n\u003cul data-start=\"1366\" data-end=\"2440\"\u003e\n\u003cli data-start=\"1366\" data-end=\"1727\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1727\"\u003eThe 82° AFOV provides a \u003cstrong data-start=\"1392\" data-end=\"1504\"\u003every wide, immersive field — great for deep-sky objects (DSOs), star clusters, nebulae, and extended objects\u003c\/strong\u003e. Many users note that this wide field makes star clusters, nebulae, and Milky Way star fields far more dramatic and easier to navigate than with traditional narrower-field eyepieces. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1728\" data-end=\"1918\"\u003e\n\u003cp data-start=\"1730\" data-end=\"1918\"\u003eThe eyepiece gives \u003cstrong data-start=\"1749\" data-end=\"1786\"\u003ehigh contrast and high resolution\u003c\/strong\u003e, with good flat-field correction, meaning stars and objects look sharp from center to edge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1919\" data-end=\"2112\"\u003e\n\u003cp data-start=\"1921\" data-end=\"2112\"\u003eThanks to the wide field, it’s easier to use \u003cstrong data-start=\"1966\" data-end=\"1995\"\u003eaverted-vision techniques\u003c\/strong\u003e — a key method for detecting fainter nebulosity or subtle structure in DSOs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2113\" data-end=\"2440\"\u003e\n\u003cp data-start=\"2115\" data-end=\"2440\"\u003eMany observers report that when used on a variety of telescope types (including Newtonians \/ reflectors, Dobsonians, and even Maksutov-Cassegrains), the eyepiece performs very well — retaining good edge sharpness, contrast, and minimal aberrations, even on “fast” (low f-ratio) scopes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2447\" data-end=\"2457\"\u003ePros\u003c\/h2\u003e\n\u003cul data-start=\"2459\" data-end=\"3514\"\u003e\n\u003cli data-start=\"2459\" data-end=\"2663\"\u003e\n\u003cp data-start=\"2461\" data-end=\"2663\"\u003e\u003cstrong data-start=\"2461\" data-end=\"2495\"\u003eImmersive, wide-field viewing:\u003c\/strong\u003e The 82° AFOV and excellent optical design make the sky feel “bigger” — ideal for Milky Way sweeps, large nebulas, star clouds, open clusters, and even galaxy groups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2664\" data-end=\"2928\"\u003e\n\u003cp data-start=\"2666\" data-end=\"2928\"\u003e\u003cstrong data-start=\"2666\" data-end=\"2724\"\u003eVersatile for both deep-sky and planetary\/ lunar work:\u003c\/strong\u003e While especially brilliant for deep-sky, the 11 mm focal length still provides moderate magnification, making it useful for planets, the Moon, and brighter DSOs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2929\" data-end=\"3122\"\u003e\n\u003cp data-start=\"2931\" data-end=\"3122\"\u003e\u003cstrong data-start=\"2931\" data-end=\"2977\"\u003eHigh build quality \u0026amp; long-term durability:\u003c\/strong\u003e Argon-sealed \/ waterproof design means your eyepiece will remain reliable for years, even in humid conditions typical to many observing sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3123\" data-end=\"3340\"\u003e\n\u003cp data-start=\"3125\" data-end=\"3340\"\u003e\u003cstrong data-start=\"3125\" data-end=\"3149\"\u003eComfortable viewing:\u003c\/strong\u003e Coatings, blackened lens edges, and ergonomic eyecup make for low-glare, relaxed sessions — you can observe for long hours with minimal eye fatigue.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3341\" data-end=\"3514\"\u003e\n\u003cp data-start=\"3343\" data-end=\"3514\"\u003e\u003cstrong data-start=\"3343\" data-end=\"3368\"\u003eGood for fast optics:\u003c\/strong\u003e Works well even with low f-ratio telescopes — an advantage for many Dobsonian users or fast Newtonians.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"4363\" data-end=\"4423\"\u003e🧑💫 Who Is This Eyepiece For — Use Cases \u0026amp; Best Matches\u003c\/h2\u003e\n\u003cp data-start=\"4425\" data-end=\"4464\"\u003eThis eyepiece is especially suited for:\u003c\/p\u003e\n\u003cul data-start=\"4466\" data-end=\"5205\"\u003e\n\u003cli data-start=\"4466\" data-end=\"4667\"\u003e\n\u003cp data-start=\"4468\" data-end=\"4667\"\u003eObservers interested in \u003cstrong data-start=\"4492\" data-end=\"4587\"\u003edeep-sky observing (nebulae, star clusters, open clusters, Milky Way sweeps, galaxy groups)\u003c\/strong\u003e — the wide field and high contrast make it ideal for faint, extended objects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4668\" data-end=\"4823\"\u003e\n\u003cp data-start=\"4670\" data-end=\"4823\"\u003eTelescopes with \u003cstrong data-start=\"4686\" data-end=\"4734\"\u003efast f-ratios (e.g., Dobsonians, reflectors)\u003c\/strong\u003e where wide-field, immersive views help maximize the telescope’s light-gathering power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4824\" data-end=\"5023\"\u003e\n\u003cp data-start=\"4826\" data-end=\"5023\"\u003eUsers who want \u003cstrong data-start=\"4841\" data-end=\"4867\"\u003eone versatile eyepiece\u003c\/strong\u003e that balances good magnification for planets \/ lunar work with wide-field capabilities for DSOs — a “do-everything” eyepiece for mid-level magnification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5024\" data-end=\"5205\"\u003e\n\u003cp data-start=\"5026\" data-end=\"5205\"\u003eObservers in \u003cstrong data-start=\"5039\" data-end=\"5069\"\u003ehumid or variable climates\u003c\/strong\u003e, or those who frequently expose their gear — the argon-sealed, waterproof build ensures long-term durability and minimal maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"5472\" data-end=\"5524\"\u003e🎯 Who Should Buy This — Target Users \u0026amp; Use Cases\u003c\/h2\u003e\n\u003cp data-start=\"5526\" data-end=\"5553\"\u003eThis eyepiece is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"5555\" data-end=\"6537\"\u003e\n\u003cli data-start=\"5555\" data-end=\"5758\"\u003e\n\u003cp data-start=\"5557\" data-end=\"5758\"\u003eAstronomers interested in \u003cstrong data-start=\"5583\" data-end=\"5605\"\u003edeep-sky observing\u003c\/strong\u003e (nebulae, galaxy clusters, globular clusters, Milky Way star fields) — the wide field and high contrast make faint, extended objects easier to detect.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5759\" data-end=\"5950\"\u003e\n\u003cp data-start=\"5761\" data-end=\"5950\"\u003e\u003cstrong data-start=\"5761\" data-end=\"5816\"\u003eDobsonian \/ Newtonian \/ fast-optics telescope users\u003c\/strong\u003e, where a wide field and flat, sharp stars across the field help counteract optical aberrations and maximize “rich-field” potential.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5951\" data-end=\"6103\"\u003e\n\u003cp data-start=\"5953\" data-end=\"6103\"\u003eUsers seeking a \u003cstrong data-start=\"5969\" data-end=\"6001\"\u003eversatile mid-power eyepiece\u003c\/strong\u003e — 11 mm gives good magnification for DSOs and planets while still offering a wide, immersive field.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6104\" data-end=\"6314\"\u003e\n\u003cp data-start=\"6106\" data-end=\"6314\"\u003eObservers operating in \u003cstrong data-start=\"6129\" data-end=\"6172\"\u003ehumid, dew-prone, or dusty environments\u003c\/strong\u003e — the argon-purged, sealed waterproof design helps preserve optics longevity and performance. (Especially relevant in many parts of India.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"6315\" data-end=\"6537\"\u003e\n\u003cp data-start=\"6317\" data-end=\"6537\"\u003eAmateur astronomers building a \u003cstrong data-start=\"6348\" data-end=\"6386\"\u003ecompact, high-quality eyepiece kit\u003c\/strong\u003e: this 11 mm 82° Ar eyepiece is an excellent “all-rounder,” complementing both lower-power wide-field eyepieces and higher-power planetary eyepieces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Explore Scientific","offers":[{"title":"Default Title","offer_id":42754881388605,"sku":null,"price":17000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/6595\/8205\/files\/es-11mm-82d-b.jpg?v=1764441649","url":"https:\/\/moderntelescopes.net\/products\/explore-scientific-82-ar-eyepiece-11mm-1-25","provider":"Modern Telescopes","version":"1.0","type":"link"}