{"product_id":"antlia-nii-3nm-pro-narrowband-filter-2","title":"Antlia NII 3nm Pro Narrowband Filter - 2\" (NII-2)","description":"\u003ch2 data-section-id=\"4y7v9z\" data-start=\"86\" data-end=\"148\"\u003eAntlia NII Pro 3nm Filter – Maximum Narrowband Performance\u003c\/h2\u003e\n\u003cp data-start=\"150\" data-end=\"442\"\u003eThe \u003cstrong data-start=\"154\" data-end=\"183\"\u003eAntlia NII Pro 3nm filter\u003c\/strong\u003e is engineered to deliver exceptional performance in narrowband astrophotography, featuring an ultra-narrow \u003cstrong data-start=\"291\" data-end=\"315\"\u003e3nm bandwidth (FWHM)\u003c\/strong\u003e. This tight bandpass significantly enhances contrast in emission nebulae by effectively suppressing unwanted background light.\u003c\/p\u003e\n\u003cp data-start=\"444\" data-end=\"604\"\u003eWith an impressive \u003cstrong data-start=\"463\" data-end=\"509\"\u003e88% transmission at the NII line (654.8nm)\u003c\/strong\u003e, this filter ensures maximum signal capture and reveals fine, well-defined nebular structures.\u003c\/p\u003e\n\u003cp data-start=\"606\" data-end=\"893\"\u003eThe out-of-band blocking is rated at \u003cstrong data-start=\"643\" data-end=\"659\"\u003eOD5 (0.001%)\u003c\/strong\u003e, providing excellent signal-to-noise ratio (SNR) by minimizing interference from unwanted wavelengths. Its steep spectral profile is specifically designed to \u003cstrong data-start=\"818\" data-end=\"854\"\u003ereduce halos around bright stars\u003c\/strong\u003e, a common issue in narrowband imaging.\u003c\/p\u003e\n\u003chr data-start=\"895\" data-end=\"898\"\u003e\n\u003ch2 data-section-id=\"1iz91iu\" data-start=\"900\" data-end=\"916\"\u003eKey Features of the Nitrogen Filter\u003c\/h2\u003e\n\u003cul data-start=\"918\" data-end=\"1400\"\u003e\n\u003cli data-section-id=\"1m3dttu\" data-start=\"918\" data-end=\"973\"\u003e\n\u003cstrong data-start=\"920\" data-end=\"950\"\u003eUltra-narrow 3nm bandwidth\u003c\/strong\u003e for maximum contrast\u003c\/li\u003e\n\u003cli data-section-id=\"14unrg8\" data-start=\"974\" data-end=\"1037\"\u003e\n\u003cstrong data-start=\"976\" data-end=\"1009\"\u003eHigh transmission (up to 88%)\u003c\/strong\u003e for strong signal capture\u003c\/li\u003e\n\u003cli data-section-id=\"d6bgnu\" data-start=\"1038\" data-end=\"1098\"\u003e\n\u003cstrong data-start=\"1040\" data-end=\"1068\"\u003eExcellent halo reduction\u003c\/strong\u003e with steep spectral cutoffs\u003c\/li\u003e\n\u003cli data-section-id=\"xo455c\" data-start=\"1099\" data-end=\"1148\"\u003e\n\u003cstrong data-start=\"1101\" data-end=\"1129\"\u003eOD5 out-of-band blocking\u003c\/strong\u003e for superior SNR\u003c\/li\u003e\n\u003cli data-section-id=\"1razm6p\" data-start=\"1149\" data-end=\"1213\"\u003e\n\u003cstrong data-start=\"1151\" data-end=\"1178\"\u003eSingle substrate design\u003c\/strong\u003e to minimize internal reflections\u003c\/li\u003e\n\u003cli data-section-id=\"yyev6k\" data-start=\"1214\" data-end=\"1279\"\u003e\n\u003cstrong data-start=\"1216\" data-end=\"1255\"\u003eEdge-blackened (unmounted versions)\u003c\/strong\u003e to reduce stray light\u003c\/li\u003e\n\u003cli data-section-id=\"5f88e9\" data-start=\"1280\" data-end=\"1335\"\u003e\n\u003cstrong data-start=\"1282\" data-end=\"1308\"\u003eCompatible down to f\/3\u003c\/strong\u003e with minimal signal loss\u003c\/li\u003e\n\u003cli data-section-id=\"1an39o4\" data-start=\"1336\" data-end=\"1400\"\u003e\n\u003cstrong data-start=\"1338\" data-end=\"1366\"\u003eHigh optical reliability\u003c\/strong\u003e, reducing post-processing needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1402\" data-end=\"1405\"\u003e\n\u003ch2 data-section-id=\"wggvqn\" data-start=\"1407\" data-end=\"1423\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1425\" data-end=\"1594\"\u003e\n\u003cli data-section-id=\"1mtrtd1\" data-start=\"1425\" data-end=\"1463\"\u003eIdeal for \u003cstrong data-start=\"1437\" data-end=\"1461\"\u003eNII emission nebulae\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"30qv49\" data-start=\"1464\" data-end=\"1528\"\u003eEffective in both \u003cstrong data-start=\"1484\" data-end=\"1526\"\u003elight-polluted and dark sky conditions\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1j7oxss\" data-start=\"1529\" data-end=\"1594\"\u003eAllows for \u003cstrong data-start=\"1542\" data-end=\"1592\"\u003eextended imaging sessions even under moonlight\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1596\" data-end=\"1599\"\u003e\n\u003ch3 data-section-id=\"fh0v9c\" data-start=\"1601\" data-end=\"1614\"\u003eImportant\u003c\/h3\u003e\n\u003cp data-start=\"1616\" data-end=\"1762\"\u003eThis filter is designed specifically for \u003cstrong data-start=\"1657\" data-end=\"1708\"\u003edeep-sky objects emitting in the NII wavelength\u003c\/strong\u003e and is not suitable for targets without NII emission.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"189d9zn\" data-start=\"340\" data-end=\"375\"\u003eNII (Nitrogen II – 654.8 nm)\u003c\/h2\u003e\n\u003cul data-start=\"418\" data-end=\"684\"\u003e\n\u003cli data-section-id=\"1dvsl5c\" data-start=\"418\" data-end=\"483\"\u003eCaptures \u003cstrong data-start=\"429\" data-end=\"450\"\u003enitrogen emission\u003c\/strong\u003e, often located near Hα regions\u003c\/li\u003e\n\u003cli data-section-id=\"1pa7v3g\" data-start=\"484\" data-end=\"554\"\u003eReveals \u003cstrong data-start=\"494\" data-end=\"527\"\u003efine structures and filaments\u003c\/strong\u003e not always visible in Hα\u003c\/li\u003e\n\u003cli data-section-id=\"9ku0j0\" data-start=\"555\" data-end=\"616\"\u003eAdds \u003cstrong data-start=\"562\" data-end=\"584\"\u003edepth and contrast\u003c\/strong\u003e when combined with Hα and SII\u003c\/li\u003e\n\u003cli data-section-id=\"1b1vt6j\" data-start=\"617\" data-end=\"684\"\u003eLess commonly used alone, but very powerful in advanced imaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"686\" data-end=\"772\"\u003e\u003cem\u003eBest for: enhancing detail in emission nebulae and advanced narrowband combinations\u003c\/em\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 1.7em; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 14px; font-family: 微软雅黑; color: #000000;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/ABUIABAEGAAg_eukvgYo-MD7twIwwQo4-QU.png?v=1768939861\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003e\u003cstrong\u003eFilter Ring:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 16px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003e2’’ (M48*0.75)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 16px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003eUltra-thin filter cell to minimize vignetting by maximize possible clear aperture \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 16px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003eBlack Anodized Finish\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 16px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003eLaser Engraving No Fading\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"line-height: 16px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 13px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 13px;\"\u003eNot Recommended:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-indent: 0; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px; color: #000000;\"\u003eSolar imaging\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-indent: 0; margin-bottom: 0;\"\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 13px;\"\u003eNight visual observation\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 13px;\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 13px;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000; font-family: Arial; font-size: 13px;\"\u003eNot Permitted:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-indent: 0; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px;\"\u003eDO NOT LOOK AT THE SUN WITH \u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: 13px;\"\u003eTHIS \u003c\/span\u003e\u003cspan style=\"font-family: Arial; font-size: 13px;\"\u003eFILTER\u003c\/span\u003e\u003cspan style=\"font-family: 宋体; font-size: 13px;\"\u003e \u003cspan style=\"font-family: Arial;\"\u003eDIRECTLY\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-indent: 0; margin-bottom: 0;\"\u003e\u003cspan style=\"font-family: Arial; font-size: 13px;\"\u003eSerious eye damage will result if you\u003c\/span\u003e\u003cspan style=\"font-family: 宋体; font-size: 13px;\"\u003e \u003cspan style=\"font-family: Arial;\"\u003efail to observe the warning.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"line-height: 1.7em; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 14px; font-family: 微软雅黑; color: #000000;\"\u003eTechnical Specifications \u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"line-height: 1.7em; margin-bottom: 1px;\"\u003e \u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse;\" cellspacing=\"0\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eNII 3nm Pro\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 23px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eFWHM (Full width at half maximum): \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e3\u003c\/span\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003en\u003c\/span\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003em\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eCWL (Central Wavelength)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e654.8nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003ePeak Transmission\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e88\u003c\/span\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eBlocking\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e\u0026gt; 5 OD (out of band blocking) @ 300-1100nm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eFilter Thickness\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e2mm+\/-0.05mm\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eBasic Substrate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e Optical, Single \/ Non-glued substrate\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eSurface Quality\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eS\/D (scratch\/dig)= 60\/40 (Refer to MIL-O-13830\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eTransmitted Wavefront\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eLambda\/4 or better.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eParallelism\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eless than 30 arcsec\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000;\" valign=\"top\" width=\"245\"\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003eFilter Ring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 0px 7px; border-left: 1px solid #000000; border-right: 1px solid #000000; border-top: none; border-bottom: 1px solid #000000; word-break: break-all;\" valign=\"top\" width=\"368\"\u003e\n\u003cp style=\"text-align: center; line-height: 16px; margin-bottom: 0;\"\u003e\u003cspan style=\"font-size: 13px; font-family: 微软雅黑; color: #000000;\"\u003e2'' (M48*0.75)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"line-height: 1.7em; margin-bottom: 1px;\"\u003e \u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/ABUIABAEGAAg_eukvgYo-MD7twIwwQo4-QU_1024x1024.png?v=1768939861\"\u003e\u003c\/div\u003e\n\u003ch3 style=\"line-height: 1.7em; margin-bottom: 1px;\"\u003e\u003cspan style=\"font-size: 14px; font-family: 微软雅黑; color: #000000;\"\u003eIn the Box\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"line-height: 1.7em;\"\u003e\u003cspan style=\"font-size: 14px; font-family: 微软雅黑; color: #000000;\"\u003eNII 3nm Pro Narrowband Filter - 2''\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\n\u003cspan id=\"station-tabs-tab_ht-i1-t67\" class=\"station-tabs-tab\" aria-controls=\"station-tabs-tabpanel_ht-i1-t67\" data-slug=\"in-the-box\" role=\"tab\" aria-selected=\"false\" tabindex=\"-1\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel\" id=\"station-tabs-tabpanel_ht-i1-t67\" aria-labelledby=\"station-tabs-tab_ht-i1-t67\" role=\"tabpanel\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i1-t72\" class=\"station-tabs-tab mod-last is-active\" aria-controls=\"station-tabs-tabpanel_ht-i1-t72\" data-slug=\"warranty-amp-manuals\" role=\"tab\" aria-selected=\"true\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eWarranty \u0026amp; Manuals\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i1-t72\" aria-labelledby=\"station-tabs-tab_ht-i1-t72\" role=\"tabpanel\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003cp\u003eAntlia 3-Years Warranty Against Delamination\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height: 21px; margin-bottom: 1px;\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Antlia","offers":[{"title":"Default Title","offer_id":48295753679077,"sku":"AF-NII-2","price":561.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/Untitled_a73b3f96-ba0f-4460-950a-42a765e1b0fe.png?v=1777045233","url":"https:\/\/istronomyplus.com\/products\/antlia-nii-3nm-pro-narrowband-filter-2","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}