{"product_id":"irdk14-telescope","title":"PlaneWave IRDK14 F\/7.2 OTA","description":"\u003cp data-start=\"204\" data-end=\"283\"\u003e\u003cstrong data-start=\"204\" data-end=\"283\"\u003ePlaneWave IRDK14 – 14-Inch Infrared-Optimized Dall-Kirkham Telescope System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"285\" data-end=\"713\"\u003eEngineered for advanced performance in the infrared spectrum, the IRDK14 from PlaneWave Instruments is a compact yet powerful optical system tailored for professional astronomical research and remote sensing. Built with fused silica optics and gold-coated mirrors, the IRDK14 ensures maximum reflectivity and thermal stability in non-visible wavelengths, delivering excellent image contrast and clarity in infrared applications.\u003c\/p\u003e\n\u003cp data-start=\"715\" data-end=\"968\"\u003eThe system features a rigid carbon fiber optical tube and a back focus position that accommodates complex instrument trains, making it highly adaptable for observatory integration, science missions, or airborne platforms where infrared precision is key.\u003c\/p\u003e\n\u003chr data-start=\"970\" data-end=\"973\"\u003e\n\u003cp data-start=\"975\" data-end=\"997\"\u003e\u003cstrong data-start=\"975\" data-end=\"997\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"999\" data-end=\"1402\"\u003e\u003cstrong data-start=\"999\" data-end=\"1018\"\u003eOptical Design:\u003c\/strong\u003e Infrared-optimized Dall-Kirkham (IRDK)\u003cbr data-start=\"1057\" data-end=\"1060\"\u003e\u003cstrong data-start=\"1060\" data-end=\"1079\"\u003eClear Aperture:\u003c\/strong\u003e 356mm (14 in)\u003cbr data-start=\"1093\" data-end=\"1096\"\u003e\u003cstrong data-start=\"1096\" data-end=\"1112\"\u003eFocal Ratio:\u003c\/strong\u003e f\/7.2\u003cbr data-start=\"1118\" data-end=\"1121\"\u003e\u003cstrong data-start=\"1121\" data-end=\"1138\"\u003eFocal Length:\u003c\/strong\u003e 2563mm\u003cbr data-start=\"1145\" data-end=\"1148\"\u003e\u003cstrong data-start=\"1148\" data-end=\"1163\"\u003eBack Focus:\u003c\/strong\u003e 282mm from mounting surface\u003cbr data-start=\"1191\" data-end=\"1194\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1211\"\u003eImage Circle:\u003c\/strong\u003e 70mm\u003cbr data-start=\"1216\" data-end=\"1219\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1238\"\u003eMirror Coating:\u003c\/strong\u003e Gold (optimized for IR; UV coating optional)\u003cbr data-start=\"1283\" data-end=\"1286\"\u003e\u003cstrong data-start=\"1286\" data-end=\"1306\"\u003eMirror Material:\u003c\/strong\u003e Fused silica – low thermal expansion\u003cbr data-start=\"1343\" data-end=\"1346\"\u003e\u003cstrong data-start=\"1346\" data-end=\"1363\" data-is-only-node=\"\"\u003eOTA Material:\u003c\/strong\u003e Carbon fiber – lightweight and rigid\u003c\/p\u003e\n\u003chr data-start=\"1404\" data-end=\"1407\"\u003e\n\u003cp data-start=\"1409\" data-end=\"1439\"\u003e\u003cstrong data-start=\"1409\" data-end=\"1439\"\u003ePerformance \u0026amp; Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1441\" data-end=\"1648\"\u003e\u003cstrong data-start=\"1441\" data-end=\"1482\"\u003e- Optimized for Infrared Wavelengths:\u003c\/strong\u003e\u003cbr data-start=\"1482\" data-end=\"1485\"\u003eGold-coated mirrors provide peak reflectivity in IR bands, making the IRDK14 ideal for capturing data in scientific studies that focus beyond the visible spectrum.\u003c\/p\u003e\n\u003cp data-start=\"1650\" data-end=\"1851\"\u003e\u003cstrong data-start=\"1650\" data-end=\"1696\"\u003e- Thermal Stability in Harsh Environments:\u003c\/strong\u003e\u003cbr data-start=\"1696\" data-end=\"1699\"\u003eThe fused silica primary and secondary mirrors exhibit minimal thermal expansion, maintaining optical precision in fluctuating environmental conditions.\u003c\/p\u003e\n\u003cp data-start=\"1853\" data-end=\"2027\"\u003e\u003cstrong data-start=\"1853\" data-end=\"1889\"\u003e- Large, Corrected Image Circle:\u003c\/strong\u003e\u003cbr data-start=\"1889\" data-end=\"1892\"\u003eA 70mm flat, coma-free image circle supports large-format IR detectors, ensuring full-frame sensor coverage without optical distortion.\u003c\/p\u003e\n\u003cp data-start=\"2029\" data-end=\"2240\"\u003e\u003cstrong data-start=\"2029\" data-end=\"2087\"\u003e- Lightweight \u0026amp; Portable Observatory-Class Instrument:\u003c\/strong\u003e\u003cbr data-start=\"2087\" data-end=\"2090\"\u003eThe carbon fiber construction ensures structural rigidity while keeping the weight low for mobile observatory platforms or limited-mass installations.\u003c\/p\u003e\n\u003cp data-start=\"2242\" data-end=\"2459\"\u003e\u003cstrong data-start=\"2242\" data-end=\"2270\"\u003e- Research-Ready Design:\u003c\/strong\u003e\u003cbr data-start=\"2270\" data-end=\"2273\"\u003eWith generous back focus and precision alignment, the IRDK14 easily supports filter wheels, spectrographs, or thermal imaging devices commonly used in academic and governmental research.\u003c\/p\u003e","brand":"PlaneWave Instruments","offers":[{"title":"Default Title","offer_id":49937787748640,"sku":"140120Q","price":21500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/2135\/2480\/files\/image_2025-09-16_104120056.png?v=1758044479","url":"https:\/\/firstlightastro.com\/products\/irdk14-telescope","provider":"First Light Astro","version":"1.0","type":"link"}