{"id":21716,"date":"2026-11-09T10:24:20","date_gmt":"2026-11-09T09:24:20","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/produit\/astrographe-super-apo-askar-sqa70-pro\/"},"modified":"2026-11-09T10:24:20","modified_gmt":"2026-11-09T09:24:20","slug":"astrographe-super-apo-askar-sqa70-pro","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/astrographe-super-apo-askar-sqa70-pro\/","title":{"rendered":"Askar SQA70 Pro Super Apo Astrograph"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><h3 style=\"text-align:left\">ASKAR SQA70 Pro \u2013 the next-generation Petzval sextuplet astrograph<\/h3>\n<div class=\"section\">\n<p>A direct evolution of the SQA70, Askar\u2019s SQA70 Pro retains the compact 70-mm format and features an upgraded optical system <strong>six-element air-spaced Petzval lens<\/strong> with an SD card (2<sup>e<\/sup> element) and an ED glass (4<sup>e<\/sup> element). Goal: more uniform stars and enhanced chromatic correction across a full-frame field of view.<\/p>\n<\/div>\n<div class=\"section\">\n<h3>Petzval sextuplet lens, with integrated flat field<\/h3>\n<ul>\n<li>Aperture <strong>70 mm<\/strong>, focal length <strong>322 mm<\/strong>, report <strong>f\/4.6<\/strong>.<\/li>\n<li>Formula <strong>Petzval sextuplet<\/strong> with air gaps: built-in flattener, <strong>no external proofreader<\/strong> to be added.<\/li>\n<li>Image circle <strong>44 mm<\/strong> (full size).<\/li>\n<li>According to Askar, the Petzval design eliminates the need for complex backfocus calculations; recommended connection length <strong>55 mm<\/strong> (range 36\u201368 mm).<\/li>\n<\/ul>\n<\/div>\n<div class=\"section\">\n<h3>Mechanics Designed for Imaging<\/h3>\n<ul>\n<li><strong>Fixed sunshade<\/strong> to minimize stray light and protect the tube.<\/li>\n<li>Rear Adapters <strong>M42, M48, and M54<\/strong> ; the M48 features a 2\u2033 filter thread.<\/li>\n<li>Total length <strong>331 mm<\/strong> ; OTA mass <strong>3 kg<\/strong> (3.8 kg with collar and dovetail).<\/li>\n<li>Comes with a <strong>Oxford soft case<\/strong>.<\/li>\n<\/ul>\n<\/div>\n<div class=\"section\">\n<h2>Why the SQA70 Pro?<\/h2>\n<ul>\n<li><strong>Faster<\/strong> than the SQA70 (f\/4.6 vs. f\/4.8) for an even slightly wider field of view.<\/li>\n<li><strong>Optique Pro<\/strong> : SD + ED sextuplet for more consistent stars.<\/li>\n<li><strong>Full-size, ready to go<\/strong> : Built-in Petzval lens; M42\/M48\/M54 adapters included.<\/li>\n<li><strong>Portable format<\/strong> : 33.1 cm and 3 kg, suitable for both mobile and desktop use.<\/li>\n<\/ul>\n<\/div>\n<p>Manufacturer sources: <a href=\"https:\/\/www.sharpstar-optics.com\/Products_1\/SQA70PRO.html\" target=\"_blank\" rel=\"noopener\">Askar SQA70 Pro \u2013 Sharpstar Optics<\/a>.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>ASKAR SQA70 Pro \u2013 l\u2019astrographe sextuplet Petzval nouvelle g\u00e9n\u00e9ration \u00c9volution directe de la SQA70, la SQA70 Pro d\u2019Askar reprend le format compact 70 mm et passe \u00e0 une optique sextuplet air-spaced Petzval avec un verre SD (2e \u00e9l\u00e9ment) et un verre ED (4e \u00e9l\u00e9ment). Objectif : des \u00e9toiles plus homog\u00e8nes et une correction chromatique renforc\u00e9e, [&hellip;]<\/p>\n","protected":false},"featured_media":21711,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[382],"product_cat":[384,755],"product_tag":[],"class_list":["post-21716","product","type-product","status-publish","has-post-thumbnail","product_brand-askar","product_cat-lunettes_refracteurs","product_cat-lunettes-apochromatiques","first","on_supplier","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/21716","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=21716"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/21711"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=21716"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=21716"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=21716"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=21716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}