{"product_id":"filtro-pro-sii-de-7-nm-de-1-25","title":"1.25\" 7nm Pro SII Filter","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cb\u003eOmegon SII Filter for high-contrast astrophotography\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eOmegon SII filters allow light from sulfur atoms at 672 nanometers to pass through and, in combination with other filters, improve contrast in astrophotography of SII regions. With this filter, ambitious astrophotographers can capture wonderful photos, even from cities with light pollution.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAn overview of the advantages:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpecial coating: guarantees high transmission and optimal contrast\u003c\/li\u003e\n\u003cli\u003eFor monochrome cameras, the filter should be combined with OII and H-alpha filters\u003c\/li\u003e\n\u003cli\u003eThe narrowband filter allows light from sulfur atoms at 672 nanometers to pass through\u003c\/li\u003e\n\u003cli\u003eBlocks artificial light pollution\u003c\/li\u003e\n\u003cli\u003eSuitable for telescopes with an aperture of 20 cm or more\u003c\/li\u003e\n\u003cli\u003eFor astronomical CCD cameras and DSLR cameras modified for astrophotography\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Omegon SII filter is a special CCD filter that increases the contrast between astronomical objects and the sky background. It is excellent for photographing star-forming regions and planetary nebulae from cities with light pollution, but its effect is also noticeable on Earth. This filter isolates SII emissions and highlights the bright red structures of nebulae. Famous examples include the Orion Nebula and the Lagoon Nebula.\u003c\/p\u003e\n\u003cp\u003eDue to its narrow half-width of only 7 nm and high transmission in the singly ionized sulfur region, the contrast is further increased compared to wider band filters.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Omegon","offers":[{"title":"Default Title","offer_id":53581587349847,"sku":"60112","price":223.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/6198\/6860\/files\/60112_1.jpg?v=1779016111","url":"https:\/\/astrotelescopios.com\/en-us\/products\/filtro-pro-sii-de-7-nm-de-1-25","provider":"Astro Telescopios","version":"1.0","type":"link"}