{"id":7170,"date":"2025-04-26T14:36:58","date_gmt":"2025-04-26T12:36:58","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&#038;p=7170"},"modified":"2026-06-05T16:16:18","modified_gmt":"2026-06-05T14:16:18","slug":"filtre-antlia-alp-t-dualband-5nm-ha-et-oiii-highspeed","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/filtre-antlia-alp-t-dualband-5nm-ha-et-oiii-highspeed\/","title":{"rendered":"2\u2033 Antlia ALP-T Dualband 5nm Ha and OIII Highspeed filter"},"content":{"rendered":"<h3 style=\"text-align: center;\">Antlia ALP-T Dual Band 5nm Ha&amp;OIII Highspeed filter<\/h3>\n<p><strong>Optimize your high-speed astrophotography with the Antlia ALP-T Dual Band 5nm Highspeed filter.<\/strong> Designed for high-speed lenses (f\/2.2 to f\/3.6), this filter simultaneously captures H-alpha and OIII emissions while effectively reducing light pollution.<\/p>\n<h3>Key features<\/h3>\n<ul>\n<li><strong>Optimized double band<\/strong> for high-speed optics with controlled center wavelength shift.<\/li>\n<li><strong>High-performance transmission<\/strong> 88% in H-alpha (657.8nm) and 82% in OIII (502.2nm).<\/li>\n<li><strong>Tight bandwidth<\/strong> of 5nm for exceptional contrast and isolation from nebulous emissions.<\/li>\n<li><strong>Delete OD4.5<\/strong> on 300-1050nm, effectively blocking light pollution, moonlight and NIR.<\/li>\n<li><strong>Compatible with OSC and monochrome cameras<\/strong> DSLR, CMOS, CCD.<\/li>\n<li><strong>Ion Gun Assisted Deposition technology<\/strong> for maximum coating stability and spectrum accuracy.<\/li>\n<\/ul>\n<h3>Ideal applications<\/h3>\n<ul>\n<li>SHO astrophotography with color (OSC) and monochrome cameras<\/li>\n<li>Use under bright polluted skies (Bortle 5 to 8)<\/li>\n<li>Fast imaging projects with bright f\/2.2 to f\/3.6 telescopes<\/li>\n<li>Lunar sessions without significant loss of contrast<\/li>\n<\/ul>\n<h3>Technical specifications<\/h3>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>H-alpha<\/th>\n<th>OIII<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>FWHM<\/td>\n<td>5nm<\/td>\n<td>5nm<\/td>\n<\/tr>\n<tr>\n<td>Center wavelength (CWL)<\/td>\n<td>657.8nm<\/td>\n<td>502.2nm<\/td>\n<\/tr>\n<tr>\n<td>Maximum transmission<\/td>\n<td>88%<\/td>\n<td>82%<\/td>\n<\/tr>\n<tr>\n<td>Out-of-band blocking<\/td>\n<td colspan=\"2\">\u2265OD4.5 from 300 to 1050nm<\/td>\n<\/tr>\n<tr>\n<td>Filter thickness<\/td>\n<td colspan=\"2\">2mm \u00b10.05mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Available sizes<\/h3>\n<ul>\n<li>Mounted 2\" (M48x0.75)<\/li>\n<li>Unmounted \u00d836mm (with B-4836 adapter included)<\/li>\n<li>Other sizes: on request<\/li>\n<\/ul>\n<h3>Design and finishing<\/h3>\n<ul>\n<li>Ultra-thin cell for reduced vignetting<\/li>\n<li>Durable black anodized finish<\/li>\n<li>Damage-resistant laser engraving<\/li>\n<\/ul>\n<h3>Important notes<\/h3>\n<ul>\n<li>Not recommended for solar or night-time visual observation.<\/li>\n<li><strong style=\"color: red;\">Warning: Never look at the sun with this filter.<\/strong> This would cause serious eye damage.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Filtre Antlia ALP-T Dual Band 5nm Ha&amp;OIII Highspeed Optimisez votre astrophotographie \u00e0 grande vitesse avec le filtre Antlia ALP-T Dual Band 5nm Highspeed. Con\u00e7u pour les optiques rapides (f\/2.2 \u00e0 f\/3.6), ce filtre capture simultan\u00e9ment les \u00e9missions H-alpha et OIII tout en r\u00e9duisant efficacement la pollution lumineuse. Caract\u00e9ristiques principales Double bande optimis\u00e9e pour les optiques [&hellip;]<\/p>\n","protected":false},"featured_media":7175,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[791],"product_cat":[780,803],"product_tag":[],"class_list":["post-7170","product","type-product","status-publish","has-post-thumbnail","product_brand-antlia","product_cat-filtres-bande-etroite","product_cat-filtres-multi-bandes","first","on_supplier","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/7170","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=7170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/7175"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=7170"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=7170"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=7170"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=7170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}