{"product_id":"william-optics-stc-astro-duo-narrowband-filter-duo-nb","title":"William Optics STC Astro Duo-Narrowband Filter (Duo-NB)","description":"\u003cp\u003eSTC Astro Duo-Narrowband filter can reduce the interference from artificial lighting in the city ,and enhance the wave length of Hα and OIII.\u003c\/p\u003e\n\u003cp\u003eIBAD (Ion beam-assisted deposition) coating technology makes the glass higher durability and easily cleaning, and preventing aging variation in optical spectral characteristics due to temperature and humidity change.\u003c\/p\u003e\n\u003cp\u003eMatte black anodized and Teflon-coated frame design eliminates flare and easy to install or remove from your lens.\u003c\/p\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":67591504920890,"sku":null,"price":39900.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/1456\/0826\/files\/1_f533a348-760a-4753-b818-43a38d5b5819.jpg?v=1790589038","url":"https:\/\/edisla.in\/products\/william-optics-stc-astro-duo-narrowband-filter-duo-nb","provider":"EDISLA","version":"1.0","type":"link"}