{"product_id":"daystar-fc140-flatcap-solar-filter-130-139mm-beginner-solar-imaging","title":"DayStar FlatCap White Light Flat Field Solar Filter – 130–139mm Telescope Tubes | Telescope Wolves","description":"\u003cp\u003eFlat field calibration cap for 130–139mm telescope tube outer diameters. The DayStar FlatCap (FC140) provides uniform solar illumination for taking flat calibration frames in your solar imaging 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;\"\u003e130–139mm outer diameter\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 130–139mm telescope tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Daystar","offers":[{"title":"Default Title","offer_id":44574692802594,"sku":"FC140","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_130_139mm_Telescope_Tubes_White_Light_Flat_Field_Cap_for_Solar_Imaging_Photography_FC140.webp?v=1774314810","url":"https:\/\/telescopewolves.com\/en-ca\/products\/daystar-fc140-flatcap-solar-filter-130-139mm-beginner-solar-imaging","provider":"Telescope Wolves","version":"1.0","type":"link"}