{"product_id":"lunt-lunt-1-25-r-p-focuser","title":"Lunt 1.25 Rack \u0026 Pinion Focuser","description":"\u003ch2 data-start=\"0\" data-end=\"34\" style=\"text-align: center;\"\u003eLunt 1.25\" Rack \u0026amp; Pinion Focuser\u003c\/h2\u003e\n\u003cul data-start=\"36\" data-end=\"1277\"\u003e\n\u003cli data-start=\"36\" data-end=\"161\"\u003e\n\u003cp data-start=\"38\" data-end=\"161\"\u003ePurpose-built \u003cstrong data-start=\"52\" data-end=\"93\"\u003eupgrade from helical to rack \u0026amp; pinion\u003c\/strong\u003e for tighter, more repeatable focus on solar and night-sky targets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"162\" data-end=\"273\"\u003e\n\u003cp data-start=\"164\" data-end=\"273\"\u003e\u003cstrong data-start=\"164\" data-end=\"197\"\u003eCNC-machined aluminum \u0026amp; brass\u003c\/strong\u003e construction for rigidity, smooth motion, and excellent thermal stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"274\" data-end=\"436\"\u003e\n\u003cp data-start=\"276\" data-end=\"436\"\u003e\u003cstrong data-start=\"276\" data-end=\"302\"\u003ePrecision drive system\u003c\/strong\u003e supports \u003cstrong data-start=\"312\" data-end=\"335\"\u003e6–8 lb (2.7–3.6 kg)\u003c\/strong\u003e imaging trains—no more sag, slip, or focus creep with heavier eyepieces, cameras, or filter wheels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"437\" data-end=\"571\"\u003e\n\u003cp data-start=\"439\" data-end=\"571\"\u003e\u003cstrong data-start=\"439\" data-end=\"471\"\u003eUltra-low backlash (\u0026lt;0.001\")\u003c\/strong\u003e with \u003cstrong data-start=\"477\" data-end=\"521\"\u003e±0.002\" (±0.051 mm) positioning accuracy\u003c\/strong\u003e keeps you exactly on band at high magnification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"572\" data-end=\"717\"\u003e\n\u003cp data-start=\"574\" data-end=\"717\"\u003e\u003cstrong data-start=\"574\" data-end=\"616\"\u003eInternal brake \u0026amp; variable drag control\u003c\/strong\u003e: set tension how you like it, then \u003cstrong data-start=\"652\" data-end=\"669\"\u003epositive lock\u003c\/strong\u003e to eliminate focus drift during long captures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"718\" data-end=\"808\"\u003e\n\u003cp data-start=\"720\" data-end=\"808\"\u003e\u003cstrong data-start=\"720\" data-end=\"733\"\u003eRotatable\u003c\/strong\u003e body makes framing your sensor or eyepiece easy without disturbing focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"809\" data-end=\"928\"\u003e\n\u003cp data-start=\"811\" data-end=\"928\"\u003e\u003cstrong data-start=\"811\" data-end=\"837\"\u003eBrass compression ring\u003c\/strong\u003e grips accessories evenly—no marring, no tilt, better repeatability than set-screw clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"929\" data-end=\"1025\"\u003e\n\u003cp data-start=\"931\" data-end=\"1025\"\u003e\u003cstrong data-start=\"931\" data-end=\"962\"\u003eShort 0.5\" (12.7 mm) travel\u003c\/strong\u003e for fine, predictable focusing in high-resolution solar work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1026\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1028\" data-end=\"1167\"\u003e\u003cstrong data-start=\"1028\" data-end=\"1049\"\u003eRetrofit-friendly\u003c\/strong\u003e for scopes that shipped with helicals: a drop-in path to better precision, load capacity, and long-term reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1277\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1277\"\u003eIdeal for \u003cstrong data-start=\"1180\" data-end=\"1197\"\u003esolar imagers\u003c\/strong\u003e, \u003cstrong data-start=\"1199\" data-end=\"1218\"\u003ehigh-mag visual\u003c\/strong\u003e, and anyone who’s outgrown the limits of a helical focuser\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1279\" data-end=\"1295\"\u003eSpecifications\u003c\/h1\u003e\n\u003cul data-start=\"1296\" data-end=\"1762\"\u003e\n\u003cli data-start=\"1296\" data-end=\"1327\"\u003e\n\u003cp data-start=\"1298\" data-end=\"1327\"\u003e\u003cstrong data-start=\"1298\" data-end=\"1319\"\u003eSize \/ Interface:\u003c\/strong\u003e 1.25\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1328\" data-end=\"1365\"\u003e\n\u003cp data-start=\"1330\" data-end=\"1365\"\u003e\u003cstrong data-start=\"1330\" data-end=\"1345\"\u003eDrive Type:\u003c\/strong\u003e \u003cstrong data-start=\"1346\" data-end=\"1363\"\u003eRack \u0026amp; pinion\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1409\"\u003e\u003cstrong data-start=\"1368\" data-end=\"1388\"\u003eDrawtube Travel:\u003c\/strong\u003e \u003cstrong data-start=\"1389\" data-end=\"1397\"\u003e0.5\"\u003c\/strong\u003e (12.7 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1436\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1436\"\u003e\u003cstrong data-start=\"1412\" data-end=\"1426\"\u003eRotatable:\u003c\/strong\u003e \u003cstrong data-start=\"1427\" data-end=\"1434\"\u003eYes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1437\" data-end=\"1487\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1487\"\u003e\u003cstrong data-start=\"1439\" data-end=\"1460\"\u003eCompression Ring:\u003c\/strong\u003e \u003cstrong data-start=\"1461\" data-end=\"1485\"\u003eBrass, 360° clamping\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1488\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1490\" data-end=\"1541\"\u003e\u003cstrong data-start=\"1490\" data-end=\"1515\"\u003ePositioning Accuracy:\u003c\/strong\u003e \u003cstrong data-start=\"1516\" data-end=\"1527\"\u003e±0.002\"\u003c\/strong\u003e (±0.051 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1591\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1591\"\u003e\u003cstrong data-start=\"1544\" data-end=\"1557\"\u003eBacklash:\u003c\/strong\u003e \u003cstrong data-start=\"1558\" data-end=\"1569\"\u003e\u0026lt;0.001\"\u003c\/strong\u003e (properly adjusted)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1592\" data-end=\"1638\"\u003e\n\u003cp data-start=\"1594\" data-end=\"1638\"\u003e\u003cstrong data-start=\"1594\" data-end=\"1612\"\u003eLoad Capacity:\u003c\/strong\u003e \u003cstrong data-start=\"1613\" data-end=\"1623\"\u003e6–8 lb\u003c\/strong\u003e (2.7–3.6 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1639\" data-end=\"1697\"\u003e\n\u003cp data-start=\"1641\" data-end=\"1697\"\u003e\u003cstrong data-start=\"1641\" data-end=\"1655\"\u003eMaterials:\u003c\/strong\u003e CNC-machined \u003cstrong data-start=\"1669\" data-end=\"1681\"\u003ealuminum\u003c\/strong\u003e and \u003cstrong data-start=\"1686\" data-end=\"1695\"\u003ebrass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1698\" data-end=\"1762\"\u003e\n\u003cp data-start=\"1700\" data-end=\"1762\"\u003e\u003cstrong data-start=\"1700\" data-end=\"1720\"\u003eBrake \/ Tension:\u003c\/strong\u003e Internal variable drag with positive lock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1 data-start=\"1764\" data-end=\"1784\"\u003eWhat’s in the Box?\u003c\/h1\u003e\n\u003cul data-start=\"1785\" data-end=\"1963\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1785\" data-end=\"1846\"\u003e\n\u003cp data-start=\"1787\" data-end=\"1846\"\u003e\u003cstrong data-start=\"1787\" data-end=\"1823\"\u003eLunt 1.25\" Rack \u0026amp; Pinion Focuser\u003c\/strong\u003e (CNC aluminum\/brass)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1847\" data-end=\"1894\"\u003e\n\u003cp data-start=\"1849\" data-end=\"1894\"\u003e\u003cstrong data-start=\"1849\" data-end=\"1892\"\u003eIntegrated brass compression-ring clamp\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1895\" data-end=\"1938\"\u003e\n\u003cp data-start=\"1897\" data-end=\"1938\"\u003e\u003cstrong data-start=\"1897\" data-end=\"1936\"\u003eBuilt-in brake and tension controls\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1939\" data-end=\"1963\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1941\" data-end=\"1963\" data-is-last-node=\"\"\u003e\u003cstrong data-start=\"1941\" data-end=\"1963\" data-is-last-node=\"\"\u003eUser documentation\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":50952876392768,"sku":"001-147","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9904\/6464\/files\/IMG_3874.jpg?v=1756141746","url":"https:\/\/astroworldtelescopes.com\/products\/lunt-lunt-1-25-r-p-focuser","provider":"Astroworld Telescopes","version":"1.0","type":"link"}