{"product_id":"asa-az2500-ritchey-chretien-alt-az-telescope-f7","title":"ASA AZ2500 Ritchey-Chrétien Alt-Az telescope f7","description":"\u003ch3 data-end=\"222\" data-start=\"173\"\u003e\u003cstrong data-end=\"220\" data-start=\"177\"\u003eASA AZ2500 – 2.5-Meter Telescope System\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"284\" data-start=\"223\"\u003e\u003cstrong data-end=\"284\" data-start=\"223\"\u003eThe next evolution in large-aperture observatory systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"643\" data-start=\"286\"\u003eThe ASA AZ2500 is a fully integrated \u003cstrong data-end=\"370\" data-start=\"323\"\u003e2.5-meter Ritchey-Chrétien telescope system\u003c\/strong\u003e, representing the pinnacle of ASA's engineering for research-grade observatories. Built on an Alt-Az Nasmyth platform and featuring ASA’s most advanced \u003cstrong data-end=\"546\" data-start=\"523\"\u003econcrete fork mount\u003c\/strong\u003e, the system is designed for maximum stiffness, stability, and precision in tracking and imaging.\u003c\/p\u003e\n\u003cp data-end=\"1027\" data-start=\"645\"\u003eOptical alignment is actively optimized in real-time through the combination of a \u003cstrong data-end=\"768\" data-start=\"727\"\u003ehexapod-mounted secondary mirror (M2)\u003c\/strong\u003e and an \u003cstrong data-end=\"825\" data-start=\"776\"\u003eactive mirror cell on the primary mirror (M1)\u003c\/strong\u003e. The AZ2500’s large aperture, fast focal ratio, and compact design reduce dome infrastructure requirements while delivering diffraction-limited performance under the best Earth-based seeing conditions.\u003c\/p\u003e\n\u003chr data-end=\"1032\" data-start=\"1029\"\u003e\n\u003ch3 data-end=\"1060\" data-start=\"1034\"\u003e\u003cstrong data-end=\"1060\" data-start=\"1038\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1564\" data-start=\"1062\"\u003e\u003cstrong data-end=\"1081\" data-start=\"1062\"\u003eOptical Design:\u003c\/strong\u003e Ritchey-Chrétien (RC)\u003cbr data-end=\"1106\" data-start=\"1103\"\u003e\u003cstrong data-end=\"1125\" data-start=\"1106\"\u003eClear Aperture:\u003c\/strong\u003e 2500mm (98.4 in)\u003cbr data-end=\"1145\" data-start=\"1142\"\u003e\u003cstrong data-end=\"1193\" data-start=\"1145\"\u003eClear Aperture \/ Focal Ratio Primary Mirror:\u003c\/strong\u003e f\/2\u003cbr data-end=\"1200\" data-start=\"1197\"\u003e\u003cstrong data-end=\"1223\" data-start=\"1200\"\u003eSystem Focal Ratio:\u003c\/strong\u003e f\/7\u003cbr data-end=\"1230\" data-start=\"1227\"\u003e\u003cstrong data-end=\"1254\" data-start=\"1230\"\u003eCentral Obstruction:\u003c\/strong\u003e 37% (linear)\u003cbr data-end=\"1270\" data-start=\"1267\"\u003e\u003cstrong data-end=\"1290\" data-start=\"1270\"\u003eMirror Material:\u003c\/strong\u003e Zerodur (Fused Silica optional)\u003cbr data-end=\"1325\" data-start=\"1322\"\u003e\u003cstrong data-end=\"1345\" data-start=\"1325\"\u003eSurface Quality:\u003c\/strong\u003e \u0026gt;94 Strehl\u003cbr data-end=\"1359\" data-start=\"1356\"\u003e\u003cstrong data-end=\"1378\" data-start=\"1359\"\u003eMicroroughness:\u003c\/strong\u003e 1nm RMS \/ \u0026lt;0.7nm Ra\u003cbr data-end=\"1401\" data-start=\"1398\"\u003e\u003cstrong data-end=\"1413\" data-start=\"1401\"\u003eCoating:\u003c\/strong\u003e Al + SiO₂\u003cbr data-is-only-node=\"\" data-end=\"1426\" data-start=\"1423\"\u003e\u003cstrong data-end=\"1453\" data-start=\"1426\"\u003eBack Focus from Flange:\u003c\/strong\u003e 519mm\u003cbr data-end=\"1462\" data-start=\"1459\"\u003e\u003cstrong data-end=\"1479\" data-start=\"1462\"\u003eTotal Weight:\u003c\/strong\u003e 17,000 kg (37,478 lbs)\u003cbr data-end=\"1505\" data-start=\"1502\"\u003e\u003cstrong data-end=\"1525\" data-start=\"1505\"\u003eFocus Positions:\u003c\/strong\u003e Nasmyth 2 standard, Nasmyth 3 optional\u003c\/p\u003e\n\u003chr data-end=\"1569\" data-start=\"1566\"\u003e\n\u003ch3 data-end=\"1600\" data-start=\"1571\"\u003e\u003cstrong data-end=\"1600\" data-start=\"1575\"\u003ePerformance \u0026amp; Control\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1937\" data-start=\"1602\"\u003e\u003cstrong data-end=\"1634\" data-start=\"1602\"\u003ePointing Accuracy (20°–85°):\u003c\/strong\u003e \u0026lt;8″ RMS (with pointing model)\u003cbr data-end=\"1667\" data-start=\"1664\"\u003e\u003cstrong data-end=\"1707\" data-start=\"1667\"\u003eTracking Accuracy (unguided, 5 min):\u003c\/strong\u003e \u0026lt;0.25″ RMS (with current pointing file)\u003cbr data-end=\"1750\" data-start=\"1747\"\u003e\u003cstrong data-end=\"1779\" data-start=\"1750\"\u003eSystem Natural Frequency:\u003c\/strong\u003e ≥10 Hz\u003cbr data-end=\"1789\" data-start=\"1786\"\u003e\u003cstrong data-end=\"1809\" data-start=\"1789\"\u003eFocus Mechanism:\u003c\/strong\u003e Absolute encoder-controlled M2 hexapod + motorized M1 active mirror cell\u003cbr data-end=\"1885\" data-start=\"1882\"\u003e\u003cstrong data-end=\"1903\" data-start=\"1885\"\u003eNasmyth Ports:\u003c\/strong\u003e Configurable with up to 3 ports\u003c\/p\u003e\n\u003chr data-end=\"1942\" data-start=\"1939\"\u003e\n\u003ch3 data-end=\"1974\" data-start=\"1944\"\u003e\u003cstrong data-end=\"1974\" data-start=\"1948\"\u003eSoftware \u0026amp; Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2227\" data-start=\"1976\"\u003eThe AZ2500 is delivered with the full \u003cstrong data-end=\"2036\" data-start=\"2014\"\u003eASA Software Suite\u003c\/strong\u003e, providing robust, platform-independent control via \u003cstrong data-end=\"2121\" data-start=\"2089\"\u003eASCOM Alpaca API over TCP\/IP\u003c\/strong\u003e. The system integrates with popular astronomy software and offers advanced automation features including:\u003c\/p\u003e\n\u003cp data-end=\"2277\" data-start=\"2231\"\u003e-Creation and optimization of pointing models\u003c\/p\u003e\n\u003cp data-end=\"2345\" data-start=\"2280\"\u003e-MLPT (Multi-Layer Pointing Technique) integration with N.I.N.A.\u003c\/p\u003e\n\u003cp data-end=\"2417\" data-start=\"2348\"\u003e-Satellite orbit tracking (TLE\/CPF support) and real-time correction\u003c\/p\u003e\n\u003cp data-end=\"2478\" data-start=\"2420\"\u003e-Full remote control of focus, rotator, and Nasmyth ports\u003c\/p\u003e\n\u003cp data-end=\"2523\" data-start=\"2481\"\u003e-API access to dome covers (if installed)\u003c\/p\u003e\n\u003cp data-end=\"2585\" data-start=\"2526\"\u003e-Precision control of M2 hexapod and M1 active mirror cell\u003c\/p\u003e","brand":"Astro Systeme Austria","offers":[{"title":"Default Title","offer_id":50647610655008,"sku":"ASA-AZ2500-f7","price":6750000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/2135\/2480\/files\/az2000-768x1024_1_998dc8d0-d7f3-46bd-927d-86e330f90c6b.png?v=1756493073","url":"https:\/\/firstlightastro.com\/products\/asa-az2500-ritchey-chretien-alt-az-telescope-f7","provider":"First Light Astro","version":"1.0","type":"link"}