{"product_id":"cdk14-telescope","title":"PlaneWave CDK14 F\/7.2 OTA","description":"\u003cp data-start=\"253\" data-end=\"326\"\u003e\u003cstrong data-start=\"253\" data-end=\"326\"\u003ePlaneWave CDK14 – 14-Inch Corrected Dall-Kirkham Astrograph Telescope\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"328\" data-end=\"692\"\u003eThe CDK14 from PlaneWave Instruments is a premium-class astrograph that combines meticulous optical design with engineering excellence. Designed for the serious astrophotographer and dedicated astronomer, the CDK14 delivers exceptional imaging performance, making it an ideal instrument for observatories, research institutions, and high-end private installations.\u003c\/p\u003e\n\u003cp data-start=\"694\" data-end=\"1080\"\u003eUtilizing PlaneWave’s signature Corrected Dall-Kirkham (CDK) optical system, the CDK14 produces a coma-free, flat-field image across a large 70mm image circle—perfect for today’s large-format CCD and CMOS cameras. The robust carbon fiber tube and fused silica optics ensure optimal thermal stability and minimal flexure, maintaining alignment and sharpness across long imaging sessions.\u003c\/p\u003e\n\u003chr data-start=\"1082\" data-end=\"1085\"\u003e\n\u003cp data-start=\"1087\" data-end=\"1109\"\u003e\u003cstrong data-start=\"1087\" data-end=\"1109\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1111\" data-end=\"1437\"\u003e\u003cstrong data-start=\"1111\" data-end=\"1130\"\u003eOptical Design:\u003c\/strong\u003e Corrected Dall-Kirkham (CDK)\u003cbr data-start=\"1159\" data-end=\"1162\"\u003e\u003cstrong data-start=\"1162\" data-end=\"1181\"\u003eClear Aperture:\u003c\/strong\u003e 356mm (14 in)\u003cbr data-start=\"1195\" data-end=\"1198\"\u003e\u003cstrong data-start=\"1198\" data-end=\"1214\"\u003eFocal Ratio:\u003c\/strong\u003e f\/7.2\u003cbr data-start=\"1220\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1223\" data-end=\"1240\"\u003eFocal Length:\u003c\/strong\u003e 2563mm\u003cbr data-start=\"1247\" data-end=\"1250\"\u003e\u003cstrong data-start=\"1250\" data-end=\"1265\"\u003eBack Focus:\u003c\/strong\u003e 282mm from mounting surface\u003cbr data-start=\"1293\" data-end=\"1296\"\u003e\u003cstrong data-start=\"1296\" data-end=\"1313\"\u003eImage Circle:\u003c\/strong\u003e 70mm\u003cbr data-start=\"1318\" data-end=\"1321\"\u003e\u003cstrong data-start=\"1321\" data-end=\"1341\"\u003eMirror Material:\u003c\/strong\u003e Fused silica – low thermal expansion\u003cbr data-start=\"1378\" data-end=\"1381\"\u003e\u003cstrong data-start=\"1381\" data-end=\"1398\"\u003eOTA Material:\u003c\/strong\u003e Carbon fiber – lightweight and rigid\u003c\/p\u003e\n\u003chr data-start=\"1439\" data-end=\"1442\"\u003e\n\u003cp data-start=\"1444\" data-end=\"1474\"\u003e\u003cstrong data-start=\"1444\" data-end=\"1474\"\u003ePerformance \u0026amp; Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1476\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1476\" data-end=\"1510\"\u003e- Flat, Coma-Free Image Plane:\u003c\/strong\u003e\u003cbr data-start=\"1510\" data-end=\"1513\"\u003eThe CDK optical system eliminates off-axis coma and astigmatism, delivering pinpoint stars and sharp images across a fully corrected 70mm image circle—ideal for large-format sensors.\u003c\/p\u003e\n\u003cp data-start=\"1697\" data-end=\"1923\"\u003e\u003cstrong data-start=\"1697\" data-end=\"1734\"\u003e- Optimized for Astrophotography:\u003c\/strong\u003e\u003cbr data-start=\"1734\" data-end=\"1737\"\u003eWith a generous back focus and compatibility with motorized focusers and rotators, the CDK14 supports complex imaging trains including filter wheels, off-axis guiders, and spectrographs.\u003c\/p\u003e\n\u003cp data-start=\"1925\" data-end=\"2161\"\u003e\u003cstrong data-start=\"1925\" data-end=\"1964\"\u003e- Thermal and Mechanical Stability:\u003c\/strong\u003e\u003cbr data-start=\"1964\" data-end=\"1967\"\u003eFused silica mirrors provide excellent resistance to thermal expansion, while the carbon fiber optical tube assembly reduces weight and minimizes flexure under changing environmental conditions.\u003c\/p\u003e\n\u003cp data-start=\"2163\" data-end=\"2353\"\u003e\u003cstrong data-start=\"2163\" data-end=\"2194\"\u003e- Research-Grade Precision:\u003c\/strong\u003e\u003cbr data-start=\"2194\" data-end=\"2197\"\u003eWhether used for photometry, spectroscopy, or deep-sky imaging, the CDK14 delivers data-grade precision for advanced amateur and professional observatories.\u003c\/p\u003e\n\u003cp data-start=\"2355\" data-end=\"2589\"\u003e\u003cstrong data-start=\"2355\" data-end=\"2395\"\u003e- Versatile Observatory Integration:\u003c\/strong\u003e\u003cbr data-start=\"2395\" data-end=\"2398\"\u003eCompact and rugged enough for remote observatories, yet precise enough for academic institutions, the CDK14 is a go-to instrument for demanding optical performance in a mid-sized form factor.\u003c\/p\u003e","brand":"PlaneWave Instruments","offers":[{"title":"Default Title","offer_id":49937787453728,"sku":"140101Q","price":18500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/2135\/2480\/files\/planewave-cdk-14-side-adj.png?v=1747437673","url":"https:\/\/firstlightastro.com\/products\/cdk14-telescope","provider":"First Light Astro","version":"1.0","type":"link"}