{"id":7197,"date":"2025-04-26T15:34:45","date_gmt":"2025-04-26T13:34:45","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&#038;p=7197"},"modified":"2026-03-29T17:52:09","modified_gmt":"2026-03-29T15:52:09","slug":"filtre-antlia-quad-band-anti-pollution-lumineuse","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/filtre-antlia-quad-band-anti-pollution-lumineuse\/","title":{"rendered":"Antlia Quad Band Anti-Light Pollution Filter"},"content":{"rendered":"<h3 style=\"text-align: center;\">Antlia Quad Band Anti-Light Pollution filter<\/h3>\n<p>The Antlia Quad Band Anti-Light Pollution filter is designed to effectively reduce light pollution while capturing a wide range of deep-sky objects, including galaxies, reflection nebulae, emission nebulae and star clusters. It works with both color (OSC) and monochrome cameras, and is compatible with high-speed optics up to f\/2.<\/p>\n<h3>Key features<\/h3>\n<ul>\n<li>Targeted elimination of polluting lights (high-pressure sodium and blue LEDs)<\/li>\n<li>Capture over 95% of deep-sky objects<\/li>\n<li>Simultaneous transmission of Ha, SII, OIII, H-Beta and NII lines<\/li>\n<li>High transmission (&gt;92%) at all major emission wavelengths<\/li>\n<li>Near infrared (NIR) transmission to detect signals inaccessible to other filters<\/li>\n<li>Compatible with ultra-fast lenses up to f\/2 without significant loss of performance<\/li>\n<li>Natural color balance for easy post-processing<\/li>\n<li>One-piece, unglued optical substrate<\/li>\n<li>Optical surface quality S\/D 60\/40 (MIL-O-13830)<\/li>\n<li>Transmitted wavefront: \u03bb\/4 or better<\/li>\n<li>Parallelism: less than 30 arcsec<\/li>\n<\/ul>\n<h3>Spectral Specifications<\/h3>\n<ul>\n<li>H-alpha: 656.3nm (&gt;92%)<\/li>\n<li>SII: 671.6nm and 673.1nm (&gt;92%)<\/li>\n<li>OIII: 495.9nm and 500.7nm (&gt;92%)<\/li>\n<li>H-Beta: 486.1nm (&gt;92%)<\/li>\n<li>NII: 654.8nm and 658.3nm (92%)<\/li>\n<li>Out-of-band blocking: \u2265OD4 from 300 to 1050nm<\/li>\n<li>Filter thickness: 2mm \u00b1 0.05mm<\/li>\n<\/ul>\n<h3>Filter design<\/h3>\n<ul>\n<li>Ultra-thin cell for reduced vignetting<\/li>\n<li>Standard Antlia ring: 1.25\u2033 (M28.5\u00d70.6) and 2\u2033 (M48x0.75)<\/li>\n<li>Durable black anodized finish<\/li>\n<li>Resistant laser engraving (non-fading)<\/li>\n<\/ul>\n<h3>Ideal applications<\/h3>\n<ul>\n<li>Astrophotography of galaxies, emission and reflection nebulae, star clusters<\/li>\n<li>Use from heavily polluted skies (Bortle 8) to clean skies (Bortle 1)<\/li>\n<li>Optimized for cameras with AR glass, to capture both visible and near-IR images<\/li>\n<\/ul>\n<h3>Recommended use<\/h3>\n<ul>\n<li>Compatible with OSC color and monochrome cameras<\/li>\n<li>Ideal for cameras without internal UV\/IR cut (AR glass)<\/li>\n<\/ul>\n<h3>Not recommended<\/h3>\n<ul>\n<li>Solar imaging<\/li>\n<li>Visual observation at night<\/li>\n<\/ul>\n<h3>Safety warnings<\/h3>\n<ul>\n<li><strong style=\"color: red;\">DO NOT use to observe the Sun directly.<\/strong><\/li>\n<li>Serious eye damage may result from improper use.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Filtre Antlia Quad Band Anti-Light Pollution Le filtre Antlia Quad Band Anti-Light Pollution est con\u00e7u pour r\u00e9duire efficacement la pollution lumineuse tout en capturant un large \u00e9ventail d&rsquo;objets du ciel profond, y compris galaxies, n\u00e9buleuses par r\u00e9flexion, n\u00e9buleuses \u00e0 \u00e9mission et amas stellaires. Il fonctionne aussi bien avec les cam\u00e9ras couleur (OSC) que monochromes et [&hellip;]<\/p>\n","protected":false},"featured_media":7198,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[791],"product_cat":[780,803,833],"product_tag":[],"class_list":["post-7197","product","type-product","status-publish","has-post-thumbnail","product_brand-antlia","product_cat-filtres-bande-etroite","product_cat-filtres-multi-bandes","product_cat-en-stock","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/7197","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/comments?post=7197"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/7198"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=7197"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=7197"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=7197"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=7197"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}