{"product_id":"lunt-zoom-eyepiece","title":"Lunt Zoom eyepiece","description":"\u003ch2 data-start=\"0\" data-end=\"44\" style=\"text-align: center;\"\u003eLunt 7.2–21.5 mm Flat-Field Zoom Eyepiece\u003c\/h2\u003e\n\u003cul data-start=\"46\" data-end=\"975\"\u003e\n\u003cli data-start=\"46\" data-end=\"230\"\u003e\n\u003cp data-start=\"48\" data-end=\"230\"\u003eOne eyepiece, many magnifications: \u003cstrong data-start=\"83\" data-end=\"98\"\u003e7.2–21.5 mm\u003c\/strong\u003e zoom range lets you dial in the perfect power for solar (with proper filtration) and nighttime targets without swapping eyepieces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"231\" data-end=\"357\"\u003e\n\u003cp data-start=\"233\" data-end=\"357\"\u003e\u003cstrong data-start=\"233\" data-end=\"262\"\u003eFlat-field optical design\u003c\/strong\u003e keeps stars and solar detail crisp from center to edge for comfortable, context-rich viewing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"358\" data-end=\"497\"\u003e\n\u003cp data-start=\"360\" data-end=\"497\"\u003e\u003cstrong data-start=\"360\" data-end=\"403\"\u003eUltra-low 0.1% anti-reflective coatings\u003c\/strong\u003e for high contrast and minimal ghosting—the \u003cstrong data-start=\"447\" data-end=\"495\"\u003esame coating technology used on Lunt etalons\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"498\" data-end=\"631\"\u003e\n\u003cp data-start=\"500\" data-end=\"631\"\u003eOptimized for both \u003cstrong data-start=\"519\" data-end=\"550\"\u003esolar and general astronomy\u003c\/strong\u003e, making it a versatile upgrade for outreach, travel kits, and grab-and-go rigs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"632\" data-end=\"722\"\u003e\n\u003cp data-start=\"634\" data-end=\"722\"\u003e\u003cstrong data-start=\"634\" data-end=\"650\"\u003e1.25\" barrel\u003c\/strong\u003e interfaces cleanly with standard diagonals, focusers, and accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"723\" data-end=\"832\"\u003e\n\u003cp data-start=\"725\" data-end=\"832\"\u003eComfortable sessions with \u003cstrong data-start=\"751\" data-end=\"771\"\u003e15 mm eye relief\u003c\/strong\u003e and a well-controlled apparent field across the zoom range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"833\" data-end=\"975\"\u003e\n\u003cp data-start=\"835\" data-end=\"975\"\u003ePrecision build and glare-managed internals deliver bright, high-contrast views of prominences, lunar details, planets, and wide star fields\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"977\" data-end=\"993\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul data-start=\"994\" data-end=\"1447\"\u003e\n\u003cli data-start=\"994\" data-end=\"1037\"\u003e\n\u003cp data-start=\"996\" data-end=\"1037\"\u003e\u003cstrong data-start=\"996\" data-end=\"1019\"\u003eFocal Length Range:\u003c\/strong\u003e \u003cstrong data-start=\"1020\" data-end=\"1035\"\u003e7.2–21.5 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1038\" data-end=\"1068\"\u003e\n\u003cp data-start=\"1040\" data-end=\"1068\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1056\"\u003eBarrel Size:\u003c\/strong\u003e \u003cstrong data-start=\"1057\" data-end=\"1066\"\u003e1.25\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1069\" data-end=\"1136\"\u003e\n\u003cp data-start=\"1071\" data-end=\"1136\"\u003e\u003cstrong data-start=\"1071\" data-end=\"1090\"\u003eOptical Layout:\u003c\/strong\u003e \u003cstrong data-start=\"1091\" data-end=\"1114\"\u003e7 lenses \/ 4 groups\u003c\/strong\u003e (flat-field design)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1137\" data-end=\"1166\"\u003e\n\u003cp data-start=\"1139\" data-end=\"1166\"\u003e\u003cstrong data-start=\"1139\" data-end=\"1154\"\u003eEye Relief:\u003c\/strong\u003e \u003cstrong data-start=\"1155\" data-end=\"1164\"\u003e15 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1167\" data-end=\"1240\"\u003e\n\u003cp data-start=\"1169\" data-end=\"1240\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1196\"\u003eApparent Field of View:\u003c\/strong\u003e \u003cstrong data-start=\"1197\" data-end=\"1215\"\u003e~53° at 7.2 mm\u003c\/strong\u003e to \u003cstrong data-start=\"1219\" data-end=\"1238\"\u003e~40° at 21.5 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1241\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1243\" data-end=\"1268\"\u003e\u003cstrong data-start=\"1243\" data-end=\"1256\"\u003eDiameter:\u003c\/strong\u003e \u003cstrong data-start=\"1257\" data-end=\"1266\"\u003e47 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1269\" data-end=\"1294\"\u003e\n\u003cp data-start=\"1271\" data-end=\"1294\"\u003e\u003cstrong data-start=\"1271\" data-end=\"1282\"\u003eHeight:\u003c\/strong\u003e \u003cstrong data-start=\"1283\" data-end=\"1292\"\u003e82 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1295\" data-end=\"1368\"\u003e\n\u003cp data-start=\"1297\" data-end=\"1368\"\u003e\u003cstrong data-start=\"1297\" data-end=\"1310\"\u003eCoatings:\u003c\/strong\u003e \u003cstrong data-start=\"1311\" data-end=\"1335\"\u003e0.1% anti-reflective\u003c\/strong\u003e (same process as Lunt etalons)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1369\" data-end=\"1447\"\u003e\n\u003cp data-start=\"1371\" data-end=\"1447\"\u003e\u003cstrong data-start=\"1371\" data-end=\"1384\"\u003eUse Case:\u003c\/strong\u003e Solar observing (with proper filtration) and night-sky viewing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1449\" data-end=\"1469\"\u003eWhat’s in the Box?\u003c\/h1\u003e\n\u003cul data-start=\"1470\" data-end=\"1517\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1470\" data-end=\"1517\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1472\" data-end=\"1517\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"1472\" data-end=\"1517\" data-is-last-node=\"\"\u003eLunt 7.2–21.5 mm Flat-Field Zoom Eyepiece\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":50952876065088,"sku":"LS7-21ZE","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9904\/6464\/files\/Lunt-Zoom-Eyepiece-main.jpg?v=1756143285","url":"https:\/\/astroworldtelescopes.com\/products\/lunt-zoom-eyepiece","provider":"Astroworld Telescopes","version":"1.0","type":"link"}