{"product_id":"lunt-230mm-double-stack-ha-telescope-w-b3400-subject-to-prior-sale","title":"Lunt 230mm Double Stack Ha Telescope w B3400 (subject to prior sale)","description":"\u003ch2 data-start=\"0\" data-end=\"53\" style=\"text-align: center;\"\u003eLunt 230mm H-Alpha Double Stack Telescope w\/ B3400\u003c\/h2\u003e\n\u003cul data-start=\"55\" data-end=\"1109\"\u003e\n\u003cli data-start=\"55\" data-end=\"137\"\u003e\n\u003cp data-start=\"57\" data-end=\"137\"\u003ePreorder notice: \u003cstrong data-start=\"74\" data-end=\"107\"\u003eships ~60 days after checkout\u003c\/strong\u003e (estimated delivery window)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"138\" data-end=\"278\"\u003e\n\u003cp data-start=\"140\" data-end=\"278\"\u003eObservatory-class \u003cstrong data-start=\"158\" data-end=\"170\"\u003eLS230THa\u003c\/strong\u003e delivers jaw-dropping H-alpha detail across the full solar disk and into tight, high-resolution close-ups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"279\" data-end=\"428\"\u003e\n\u003cp data-start=\"281\" data-end=\"428\"\u003e\u003cstrong data-start=\"281\" data-end=\"314\"\u003eFactory double-stacked system\u003c\/strong\u003e achieves a \u003cstrong data-start=\"326\" data-end=\"358\"\u003e\u0026lt;0.5 Å bandpass at 656.28 nm\u003c\/strong\u003e for ultra-high contrast prominences, filaments, and surface texture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"429\" data-end=\"577\"\u003e\n\u003cp data-start=\"431\" data-end=\"577\"\u003e\u003cstrong data-start=\"431\" data-end=\"475\"\u003eTwo internal, unobstructed 80 mm etalons\u003c\/strong\u003e, each \u003cstrong data-start=\"482\" data-end=\"500\"\u003epressure tuned\u003c\/strong\u003e, ensure stable, repeatable on-band performance without central obstruction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"578\" data-end=\"710\"\u003e\n\u003cp data-start=\"580\" data-end=\"710\"\u003e\u003cstrong data-start=\"580\" data-end=\"622\"\u003eB3400 blocking filter (internal mount)\u003c\/strong\u003e provides generous field coverage and imaging headroom for long focal-length workflows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"711\" data-end=\"827\"\u003e\n\u003cp data-start=\"713\" data-end=\"827\"\u003ePrecision \u003cstrong data-start=\"723\" data-end=\"748\"\u003eFeather Touch focuser\u003c\/strong\u003e handles heavy cameras and accessories with rock-solid, backlash-free control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"828\" data-end=\"971\"\u003e\n\u003cp data-start=\"830\" data-end=\"971\"\u003eBuilt for serious \u003cstrong data-start=\"848\" data-end=\"870\"\u003evisual and imaging\u003c\/strong\u003e use—streamlined internal components minimize drift and keep tuning effortless throughout a session\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"972\" data-end=\"1109\"\u003e\n\u003cp data-start=\"974\" data-end=\"1109\"\u003eRugged, professional build quality from Lunt Solar Systems for dependable results in research, outreach, and dedicated astrophotography\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1111\" data-end=\"1127\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul data-start=\"1128\" data-end=\"1598\"\u003e\n\u003cli data-start=\"1128\" data-end=\"1196\"\u003e\n\u003cp data-start=\"1130\" data-end=\"1196\"\u003e\u003cstrong data-start=\"1130\" data-end=\"1140\"\u003eModel:\u003c\/strong\u003e LS230THa (double-stacked dedicated H-alpha telescope)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1197\" data-end=\"1252\"\u003e\n\u003cp data-start=\"1199\" data-end=\"1252\"\u003e\u003cstrong data-start=\"1199\" data-end=\"1227\"\u003eBandpass (double stack):\u003c\/strong\u003e \u003cstrong data-start=\"1228\" data-end=\"1250\"\u003e\u0026lt;0.5 Å @ 656.28 nm\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1253\" data-end=\"1322\"\u003e\n\u003cp data-start=\"1255\" data-end=\"1322\"\u003e\u003cstrong data-start=\"1255\" data-end=\"1267\"\u003eEtalons:\u003c\/strong\u003e \u003cstrong data-start=\"1268\" data-end=\"1304\"\u003e2 × internal, unobstructed 80 mm\u003c\/strong\u003e, pressure tuned\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1323\" data-end=\"1373\"\u003e\n\u003cp data-start=\"1325\" data-end=\"1373\"\u003e\u003cstrong data-start=\"1325\" data-end=\"1345\"\u003eBlocking Filter:\u003c\/strong\u003e \u003cstrong data-start=\"1346\" data-end=\"1355\"\u003eB3400\u003c\/strong\u003e, internal mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1374\" data-end=\"1408\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1408\"\u003e\u003cstrong data-start=\"1376\" data-end=\"1388\"\u003eFocuser:\u003c\/strong\u003e \u003cstrong data-start=\"1389\" data-end=\"1406\"\u003eFeather Touch\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1409\" data-end=\"1462\"\u003e\n\u003cp data-start=\"1411\" data-end=\"1462\"\u003e\u003cstrong data-start=\"1411\" data-end=\"1429\"\u003eTuning Method:\u003c\/strong\u003e \u003cstrong data-start=\"1430\" data-end=\"1449\"\u003ePressure tuning\u003c\/strong\u003e (internal)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1463\" data-end=\"1534\"\u003e\n\u003cp data-start=\"1465\" data-end=\"1534\"\u003e\u003cstrong data-start=\"1465\" data-end=\"1481\"\u003eSystem Type:\u003c\/strong\u003e Dedicated H-alpha solar telescope (double-stacked)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1535\" data-end=\"1598\"\u003e\n\u003cp data-start=\"1537\" data-end=\"1598\"\u003e\u003cstrong data-start=\"1537\" data-end=\"1560\"\u003ePreorder Lead Time:\u003c\/strong\u003e Estimated \u003cstrong data-start=\"1571\" data-end=\"1583\"\u003e~60 days\u003c\/strong\u003e after checkout\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1600\" data-end=\"1620\"\u003eWhat’s in the Box?\u003c\/h1\u003e\n\u003cul data-start=\"1621\" data-end=\"1813\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1621\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1623\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1623\" data-end=\"1671\"\u003eLunt LS230THa Double-Stack H-alpha Telescope\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1674\" data-end=\"1730\"\u003e\n\u003cp data-start=\"1676\" data-end=\"1730\"\u003e\u003cstrong data-start=\"1676\" data-end=\"1716\"\u003eB3400 internal-mount blocking filter\u003c\/strong\u003e (installed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1731\" data-end=\"1772\"\u003e\n\u003cp data-start=\"1733\" data-end=\"1772\"\u003e\u003cstrong data-start=\"1733\" data-end=\"1758\"\u003eFeather Touch focuser\u003c\/strong\u003e (installed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1773\" data-end=\"1813\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1775\" data-end=\"1813\" data-is-last-node=\"\"\u003eBasic documentation and setup guidance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":50952871608640,"sku":"LS230THa\/B3400","price":39995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9904\/6464\/files\/230-pic-3.jpg?v=1756158360","url":"https:\/\/astroworldtelescopes.com\/products\/lunt-230mm-double-stack-ha-telescope-w-b3400-subject-to-prior-sale","provider":"Astroworld Telescopes","version":"1.0","type":"link"}