{"id":31979,"date":"2025-11-01T12:43:56","date_gmt":"2025-11-01T11:43:56","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=31979"},"modified":"2026-09-10T14:45:33","modified_gmt":"2026-09-10T12:45:33","slug":"bresser-sirius-ac-70-900-az-1","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/bresser-sirius-ac-70-900-az-1\/","title":{"rendered":"Bresser Sirius AC 70\/900 AZ-1 Sirius"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Complete telescope set with solar filter: Moon, planets, and the sun!<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Bresser Sirius 70\/900 AZ-1 is a complete starter set with a bonus: the included objective solar filter also allows for safe observation of the sun. The 70 mm lens captures 36 percent more light than a 60 mm model and displays the Moon, Saturn, and Jupiter with good contrast.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"32011\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-70-900-AZ-1-Telescoop-Sirius-2.jpg\" alt=\"Bresser Sirius AC 70\/900 AZ-1 Telescope, Fully Assembled\" class=\"wp-image-32011\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-70-900-AZ-1-Telescoop-Sirius-1.jpg\" alt=\"Side view of the Bresser Sirius 70\/900 with solar filter\" class=\"wp-image-32010\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h4 class=\"wp-block-heading\">Long focal length for calm images<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">With a 900 mm focal length (f\/12.9), chromatic aberrations are limited, and the included eyepieces are already sharp. You can observe at 45x and 225x; consider approximately 140x as the practical maximum for this aperture. The smartphone adapter captures your observations.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Included<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>70\/900 achromatic optics<\/li>\n\n\n\n<li>AZ-1 Mount with Aluminum Tripod<\/li>\n\n\n\n<li>20mm and 4mm eyepieces<\/li>\n\n\n\n<li>3x Barlow lens<\/li>\n\n\n\n<li>Red dot viewfinder<\/li>\n\n\n\n<li>90-degree equilateral prism<\/li>\n\n\n\n<li>Objective solar filter<\/li>\n\n\n\n<li>Smartphone adapter<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Featured accessories<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.telescoop.nl\/en\/bresser-eyepiece-plossl-pl-10mm-125\/\">Bresser Pl\u00f6ssl 10 mm eyepiece<\/a> (90x, 29 euros) is the ideal medium magnification for planets. An Omegon Premium moon filter (19.90 euros) dims bright moonlight. Only use a solar filter if it is undamaged and never look at the sun without certified protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For whom yes, for whom no<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ideal for: beginners looking for one complete set for Moon, planets, and Sun. Not for: those who want to advance to tracking and astrophotography; then look at the Bresser Lyra 70\/900 with equatorial mount. Compare at <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/telescopes-for-beginners\/\">telescopes for beginners<\/a> via <a href=\"https:\/\/www.telescoop.nl\/en\/the-best-telescope-for-beginners\/\">Buying guide<\/a>. Meer Bresser is on the <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/bresser\/\">merk page<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Optical design<\/td><td>Achromatic refractor<\/td><\/tr><tr><td>Opening<\/td><td>70 mm<\/td><\/tr><tr><td>Focal length<\/td><td>900 mm (f\/12.9)<\/td><\/tr><tr><td>Magnification with included eyepieces<\/td><td>45x and 225x<\/td><\/tr><tr><td>Mount<\/td><td>AZ-1 alt-azimutal<\/td><\/tr><tr><td>Special feature<\/td><td>Including objective-solar filter<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>The Bresser AC 70\/900 AZ-1 Sirius comes with an AZ-1 mount, aluminum tripod, 4mm and 20mm eyepieces, 3x Barlow lens, red dot finder, 90-degree star diagonal, objective solar filter, and smartphone adapter.<\/p>","protected":false},"featured_media":96369,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[128],"product_cat":[51,3177,567,430],"product_tag":[],"class_list":["post-31979","product","type-product","status-publish","has-post-thumbnail","product_brand-bresser","product_cat-telescopen","product_cat-handmatige-refractoren","product_cat-refractor-telescopen","product_cat-telescopen-voor-beginners","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[29247,24780],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":13437,"url":"https:\/\/www.telescoop.nl\/en\/bresser-lyra-70-900-refractor-eq-sky\/","url_meta":{"origin":31979,"position":0},"title":"Bresser Lyra 70\/900 Refractor EQ-Sky","author":"Info telescoop","date":"24-03-2025","format":false,"excerpt":"The Bresser Lyra 70\/900 EQ-Sky comes with two eyepieces, a 3x Barlow lens, a 90-degree zenith mirror, a red dot finder, an objective solar filter, a smartphone adapter, and an equatorial mount with tripod.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/03\/Bresser-Telescoop-AC-70-900-Lyra-EQ-Sky-Carbon-Design.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/03\/Bresser-Telescoop-AC-70-900-Lyra-EQ-Sky-Carbon-Design.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/03\/Bresser-Telescoop-AC-70-900-Lyra-EQ-Sky-Carbon-Design.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/03\/Bresser-Telescoop-AC-70-900-Lyra-EQ-Sky-Carbon-Design.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/03\/Bresser-Telescoop-AC-70-900-Lyra-EQ-Sky-Carbon-Design.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/03\/Bresser-Telescoop-AC-70-900-Lyra-EQ-Sky-Carbon-Design.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":32405,"url":"https:\/\/www.telescoop.nl\/en\/bresser-ac-60-800-telescoop-stellar-az\/","url_meta":{"origin":31979,"position":1},"title":"Bresser AC 60\/800 Telescope Stellar AZ","author":"","date":"02-11-2025","format":false,"excerpt":"The Bresser AC 60\/800 Stellar AZ comes with 60 mm achromatic optics, 4 mm and 20 mm eyepieces, 3x Barlow lens, 90-degree star diagonal, red dot finder, slip-on objective solar filter, and smartphone adapter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-60-800-Telescoop-Stellar-AZ-4.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":31911,"url":"https:\/\/www.telescoop.nl\/en\/bresser-90-900-refractor-az-eq-taurus\/","url_meta":{"origin":31979,"position":2},"title":"Bresser 90\/900 Refractor AZ-EQ Taurus","author":"","date":"01-11-2025","format":false,"excerpt":"Bresser AC 90\/900 comes with AZ-EQ mount, aluminum tripod, red dot viewfinder, 4mm and 20mm eyepieces, 3x Barlow lens, 90\u00b0 star prism, solar filter and smartphone adapter - ideal for beginners who want to safely observe the moon, planets, galaxies AND the sun.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-90-900-Telescoop-AZ-EQ-Taurus-4.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":12369,"url":"https:\/\/www.telescoop.nl\/en\/bresser-telescoop-ac-60-900-classic-az\/","url_meta":{"origin":31979,"position":3},"title":"Bresser Classic - 60\/900 Achromatic Refractor","author":"Info telescoop","date":"27-02-2025","format":false,"excerpt":"The Bresser Classic 60\/900 AZ comes with an alt-azimuth tripod, three eyepieces, Barlow lens, and finderscope. A classic entry-level refractor for the Moon and planets.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-60-900-Classic-AZ.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-60-900-Classic-AZ.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-60-900-Classic-AZ.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-60-900-Classic-AZ.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-60-900-Classic-AZ.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-60-900-Classic-AZ.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":32383,"url":"https:\/\/www.telescoop.nl\/en\/bresser-ac-60-700-telescoop-arcturus-az\/","url_meta":{"origin":31979,"position":4},"title":"Bresser AC 60\/700 Telescope Arcturus AZ","author":"","date":"02-11-2025","format":false,"excerpt":"The Bresser AC 60\/700 Arcturus AZ comes with achromatic optics, SP 26 mm, 20 mm, and 4 mm eyepieces, 3x Barlow lens, 90-degree star diagonal, red dot finder, and smartphone adapter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"bresser telescoop op az montering","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-60-700-Telescoop-Arcturus-AZ-3.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":107897,"url":"https:\/\/www.telescoop.nl\/en\/bresser-sterrenkijker-starterspakket\/","url_meta":{"origin":31979,"position":5},"title":"Bresser telescope starter kit","author":"Info telescoop","date":"04-05-2026","format":false,"excerpt":"Wil je direct een vliegende start maken met astronomie? Met dit complete Bresser voordeelpakket haal je alles in huis om vanavond nog de kraters op de maan en de ringen van Saturnus te ontdekken. In plaats van losse onderdelen te zoeken, hebben wij de ideale combinatie voor je samengesteld: de\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"bresser telescoop starterpakket","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-70-700-Nano-AZ.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-70-700-Nano-AZ.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-70-700-Nano-AZ.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-70-700-Nano-AZ.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-70-700-Nano-AZ.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/02\/Bresser-Telescoop-AC-70-700-Nano-AZ.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/31979","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=31979"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/96369"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=31979"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=31979"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=31979"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=31979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}