{"product_id":"daystar-fc120-flatcap-solar-filter-110-119mm-90mm-erf","title":"DayStar FlatCap White Light Flat Field Solar Filter – 110–119mm Tubes or 90mm ERF | Telescope Wolves","description":"\u003cp\u003eFlat field calibration cap for 110–119mm telescope tubes or 90mm ERF configurations. The DayStar FlatCap (FC120) slides over your telescope front for uniform solar flat frames in your imaging calibration workflow. Ships free to the US.\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;margin-top:24px;font-size:14px;line-height:1.5;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth colspan=\"2\" style=\"text-align:left;padding:10px 14px;background:#f7f7f7;border-bottom:2px solid #ddd;font-size:15px;font-weight:600;\"\u003eSpecifications\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;font-weight:600;color:#444;width:44%;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;\"\u003eWhite light flat field calibration cap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;font-weight:600;color:#444;\"\u003ePurpose\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;\"\u003eFlat-frame calibration for solar astrophotography — corrects vignetting, dust shadows, and pixel response non-uniformity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;font-weight:600;color:#444;\"\u003eFit Method\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;\"\u003eSlide-over friction fit on telescope front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;font-weight:600;color:#444;\"\u003eTelescope Tube OD\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;\"\u003e110–119mm outer diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;font-weight:600;color:#444;\"\u003eERF Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;border-bottom:1px solid #efefef;\"\u003eAlso fits 90mm DayStar ERF filter housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 14px;font-weight:600;color:#444;\"\u003eWhat’s in the Box\u003c\/td\u003e\n\u003ctd style=\"padding:8px 14px;\"\u003eFlatCap for 110–119mm telescope tubes \/ 90mm ERF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Daystar","offers":[{"title":"Default Title","offer_id":44574672551970,"sku":"FC120","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/6968\/5282\/files\/DayStar_Imaging_FlatCap_Solar_Filter_for_110_119mm_Telescope_Tubes_or_90mm_ERF_White_Light_Flat_Field_Cap_for_Solar_Imaging_Photography_FC120.webp?v=1774329427","url":"https:\/\/telescopewolves.com\/en-ca\/products\/daystar-fc120-flatcap-solar-filter-110-119mm-90mm-erf","provider":"Telescope Wolves","version":"1.0","type":"link"}