{"product_id":"asa-az1500-ritchey-chretien-alt-az-telescope-f6","title":"ASA AZ1500 Ritchey-Chrétien Alt-Az telescope f6","description":"\u003ch3 data-start=\"127\" data-end=\"176\"\u003e\u003cstrong data-start=\"131\" data-end=\"174\"\u003eASA AZ1500 – 1.5-Meter Telescope System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"177\" data-end=\"236\"\u003e\u003cstrong data-start=\"177\" data-end=\"236\"\u003eAn evolution milestone in high-end observatory systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"238\" data-end=\"860\"\u003eThe ASA AZ1500 is a fully integrated 1.5-meter Ritchey-Chrétien telescope system designed for cutting-edge scientific research. With fast focal ratios and a compact Alt-Az Nasmyth configuration, this system reduces dome size requirements while maximizing optical performance. Equipped with ASA’s premium fused silica optics (Zerodur optional), the AZ1500 ensures diffraction-limited imaging and industry-leading microroughness, even under the most pristine Earth-based seeing conditions. Configurable with up to four Nasmyth ports, this observatory solution is built for flexibility, automation, and long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"862\" data-end=\"865\"\u003e\n\u003ch3 data-start=\"867\" data-end=\"893\"\u003e\u003cstrong data-start=\"871\" data-end=\"893\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"895\" data-end=\"1474\"\u003e\u003cstrong data-start=\"895\" data-end=\"914\"\u003eOptical Design:\u003c\/strong\u003e Ritchey-Chrétien (RC)\u003cbr data-start=\"936\" data-end=\"939\"\u003e\u003cstrong data-start=\"939\" data-end=\"958\"\u003eClear Aperture:\u003c\/strong\u003e 1500mm (59.1 in)\u003cbr data-start=\"975\" data-end=\"978\"\u003e\u003cstrong data-start=\"978\" data-end=\"1026\"\u003eClear Aperture \/ Focal Ratio Primary Mirror:\u003c\/strong\u003e f\/2\u003cbr data-start=\"1030\" data-end=\"1033\"\u003e\u003cstrong data-start=\"1033\" data-end=\"1056\"\u003eSystem Focal Ratio:\u003c\/strong\u003e f\/6\u003cbr data-start=\"1060\" data-end=\"1063\"\u003e\u003cstrong data-start=\"1063\" data-end=\"1080\"\u003eFocal Length:\u003c\/strong\u003e 9000mm\u003cbr data-start=\"1087\" data-end=\"1090\"\u003e\u003cstrong data-start=\"1090\" data-end=\"1106\"\u003eImage Field:\u003c\/strong\u003e 200mm (1.27°)\u003cbr data-start=\"1120\" data-end=\"1123\"\u003e\u003cstrong data-start=\"1123\" data-end=\"1147\"\u003eCentral Obstruction:\u003c\/strong\u003e 43% (linear)\u003cbr data-start=\"1160\" data-end=\"1163\"\u003e\u003cstrong data-start=\"1163\" data-end=\"1183\"\u003eFocus Positions:\u003c\/strong\u003e Nasmyth 2 standard, Nasmyth 4 optional\u003cbr data-start=\"1222\" data-end=\"1225\"\u003e\u003cstrong data-start=\"1225\" data-end=\"1245\" data-is-only-node=\"\"\u003eMirror Material:\u003c\/strong\u003e Fused Silica (Zerodur optional)\u003cbr data-start=\"1277\" data-end=\"1280\"\u003e\u003cstrong data-start=\"1280\" data-end=\"1300\"\u003eSurface Quality:\u003c\/strong\u003e \u0026gt;94 Strehl\u003cbr data-start=\"1311\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1314\" data-end=\"1333\"\u003eMicroroughness:\u003c\/strong\u003e 1nm RMS \/ \u0026lt;0.7nm Ra\u003cbr data-start=\"1353\" data-end=\"1356\"\u003e\u003cstrong data-start=\"1356\" data-end=\"1368\"\u003eCoating:\u003c\/strong\u003e Al + SiO₂, Reflectivity \u0026gt;91%\u003cbr data-start=\"1397\" data-end=\"1400\"\u003e\u003cstrong data-start=\"1400\" data-end=\"1427\"\u003eBack Focus from Flange:\u003c\/strong\u003e 513mm\u003cbr data-start=\"1433\" data-end=\"1436\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1453\"\u003eTotal Weight:\u003c\/strong\u003e 5000 kg (11,023 lbs)\u003c\/p\u003e\n\u003chr data-start=\"1476\" data-end=\"1479\"\u003e\n\u003ch3 data-start=\"1481\" data-end=\"1510\"\u003e\u003cstrong data-start=\"1485\" data-end=\"1510\"\u003ePerformance \u0026amp; Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1512\" data-end=\"1915\"\u003e\u003cstrong data-start=\"1512\" data-end=\"1544\"\u003ePointing Accuracy (20°–85°):\u003c\/strong\u003e \u0026lt;8″ RMS (with pointing model)\u003cbr data-start=\"1574\" data-end=\"1577\"\u003e\u003cstrong data-start=\"1577\" data-end=\"1617\"\u003eTracking Accuracy (unguided, 5 min):\u003c\/strong\u003e \u0026lt;0.25″ RMS (with current pointing file)\u003cbr data-start=\"1657\" data-end=\"1660\"\u003e\u003cstrong data-start=\"1660\" data-end=\"1689\"\u003eSystem Natural Frequency:\u003c\/strong\u003e ≥10 Hz\u003cbr data-start=\"1696\" data-end=\"1699\"\u003e\u003cstrong data-start=\"1699\" data-end=\"1722\"\u003eSatellite Tracking:\u003c\/strong\u003e Supports TLE and CPF orbit uploads with real-time correction\u003cbr data-start=\"1783\" data-end=\"1786\"\u003e\u003cstrong data-start=\"1786\" data-end=\"1806\"\u003eFocus Mechanism:\u003c\/strong\u003e Absolute encoder-controlled secondary mirror focusing\u003cbr data-start=\"1860\" data-end=\"1863\"\u003e\u003cstrong data-start=\"1863\" data-end=\"1881\"\u003eNasmyth Ports:\u003c\/strong\u003e Configurable with up to 4 ports\u003c\/p\u003e\n\u003chr data-start=\"1917\" data-end=\"1920\"\u003e\n\u003ch3 data-start=\"1922\" data-end=\"1952\"\u003e\u003cstrong data-start=\"1926\" data-end=\"1952\"\u003eSoftware \u0026amp; Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1954\" data-end=\"2120\"\u003eThe AZ1500 comes with the complete ASA Software Suite, offering robust platform-independent control via \u003cstrong data-start=\"2058\" data-end=\"2090\"\u003eASCOM Alpaca API over TCP\/IP\u003c\/strong\u003e. Integrated features include:\u003c\/p\u003e\n\u003cp data-start=\"2124\" data-end=\"2170\"\u003e-Creation and optimization of pointing models\u003c\/p\u003e\n\u003cp data-start=\"2173\" data-end=\"2240\"\u003e-MLPT (Multi-Layer Pointing Technique) compatibility with N.I.N.A.\u003c\/p\u003e\n\u003cp data-start=\"2243\" data-end=\"2294\"\u003e-Real-time satellite tracking and orbit correction\u003c\/p\u003e\n\u003cp data-start=\"2297\" data-end=\"2336\"\u003e-Remote focus control via ASCOM Alpaca\u003c\/p\u003e\n\u003cp data-start=\"2339\" data-end=\"2384\"\u003e-Full control over rotator and Nasmyth ports\u003c\/p\u003e\n\u003cp data-start=\"2387\" data-end=\"2426\"\u003e-Dome and cover automation (if equipped)\u003c\/p\u003e","brand":"Astro Systeme Austria","offers":[{"title":"Default Title","offer_id":50647594238240,"sku":"ASA-AZ1500-f6","price":1450000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/2135\/2480\/files\/az1500-768x1024.png?v=1756492016","url":"https:\/\/firstlightastro.com\/products\/asa-az1500-ritchey-chretien-alt-az-telescope-f6","provider":"First Light Astro","version":"1.0","type":"link"}