{"id":32335,"date":"2025-11-02T12:46:18","date_gmt":"2025-11-02T11:46:18","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=32335"},"modified":"2026-03-24T11:36:44","modified_gmt":"2026-03-24T10:36:44","slug":"bresser-messier-ac-90-1200-messier-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/bresser-messier-ac-90-1200-messier-ota\/","title":{"rendered":"Bresser Messier AC 90\/1200 Messier OTA"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Bresser AC 90\/1200 - Classic precision for moon and planet lovers<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Bresser AC 90\/1200 Messier OTA<\/strong> is a true classic among lens telescopes. With its long focal length and sharp optics, it is made for those who want to explore the Moon and planets in crisp detail. Perfect for the serious beginner or the advanced observer who loves tight contrast and flawless images.<\/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 aligncenter size-large\"><img decoding=\"async\" data-id=\"32338\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-90-1200-Telescoop-Messier-OTA-1.jpg\" alt=\"Bresser AC 90\/1200 optical tube with integrated dew cap and Vixen-Style tube rings\" class=\"wp-image-32338\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Razor-sharp images even at high magnification<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The 90 mm lens captures about 200 times more light than the naked eye. This allows you to see fine crater structures on the Moon, the rings of Saturn and the cloud bands of Jupiter clearly and brightly. The long focal length of 1200 mm provides high magnifications without loss of sharpness, so you can study every detail calmly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Designed for tranquility and contrast<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The fixed dew hood blocks stray light and prevents dew formation - ideal for nights with humid air. This keeps your image clear and contrasty even when the temperature drops. The aluminum tube feels sturdy but is light enough to move easily.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-id=\"32339\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Bresser-AC-90-1200-Telescoop-Messier-OTA-2.jpg\" alt=\"Bresser AC 90\/1200 close-up of focuser with SP 26 mm eyepiece and 90\u00b0 star diagonal\" class=\"wp-image-32339\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Reliable construction for years of use<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Bresser 90\/1200 Messier is built to grow with your experience. The stable tube construction and classic focuser make it reliable for many years of observations. Add accessories later to look even deeper into the universe.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What to expect<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2713 Moon: extremely sharp, lots of detail in craters and mountains<br>\u2713 Planets: clearly visible rings, cloud bands and color contrasts<br>\u2717 Deep-sky: limited by the long focal length<br>\u2717 Astrophotography: not suitable without additional adjustments<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Optical Specifications<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Design:<\/strong> Achromatic Refractor<\/li>\n\n\n\n<li><strong>Opening:<\/strong> 90 mm<\/li>\n\n\n\n<li><strong>Focal length:<\/strong> 1200 mm (f\/13.3)<\/li>\n\n\n\n<li><strong>Coating:<\/strong> Multi-coated (for clear image and high contrast)<\/li>\n\n\n\n<li><strong>Resolution:<\/strong> 1,28\u2033<\/li>\n\n\n\n<li><strong>Light output:<\/strong> 170\u00d7 more than the human eye<\/li>\n\n\n\n<li><strong>Maximum useful magnification:<\/strong> 180\u00d7<\/li>\n\n\n\n<li><strong>Tube construction:<\/strong> Durable aluminum (Full tube)<\/li>\n\n\n\n<li><strong>Tube weight:<\/strong> 2.8 kg<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Focuser &amp; Mount<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Focuser:<\/strong> 1.25\u2033 Rack &amp; Pinion<\/li>\n\n\n\n<li><strong>Type:<\/strong> OTA (Optical Tube Assembly) - Supplied without mount\/ tripod.<\/li>\n\n\n\n<li><strong>Connection:<\/strong> Includes tube rings and Vixen-style dovetail for easy mounting.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Included Accessories<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Eyepiece:<\/strong> 26 mm Super Pl\u00f6ssl (1.25\u2033)<\/li>\n\n\n\n<li><strong>Zenith mirror:<\/strong> 1.25\u2033 90\u00b0 star diagonal (for comfortable observing)<\/li>\n\n\n\n<li><strong>Seeker:<\/strong> 6\u00d730 optical viewfinder<\/li>\n\n\n\n<li><strong>Solar filter:<\/strong> Includes safe objective sun filter<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Application &amp; Level<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Focus on:<\/strong> Moon &amp; Planets (due to the long focal ratio of f\/13.3)<\/li>\n\n\n\n<li><strong>Sun:<\/strong> Yes, only with the included solar filter<\/li>\n\n\n\n<li><strong>Deep-sky &amp; Nature:<\/strong> Not recommended<\/li>\n\n\n\n<li><strong>Level:<\/strong> Recommended for advanced users seeking a specialized instrument for planetary observation.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Bresser AC 90\/1200 comes with achromatic optical tube, integrated dew cap, SP 26 mm eyepiece, 6\u00d730 viewfinder, 90\u00b0 star diagonal, Vixen-Style tube rings and solar filters.<\/p>","protected":false},"featured_media":96591,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[128],"product_cat":[51,567],"product_tag":[],"class_list":["post-32335","product","type-product","status-publish","has-post-thumbnail","product_brand-bresser","product_cat-telescopen","product_cat-refractor-telescopen","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":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":106246,"url":"https:\/\/www.telescoop.nl\/en\/levenhuk-discovery-spark-767-az\/","url_meta":{"origin":32335,"position":0},"title":"Levenhuk Discovery Spark 767 AZ \u2013 76\/700 Newtonian Reflector","author":"Abdullah Ibrar","date":"05-04-2026","format":false,"excerpt":"The Levenhuk Discovery Spark 767 AZ \u2013 76\/700 Newtonian reflector comes with SR4mm, H12.5mm, and H20mm eyepieces, a 2x Barlow lens, an optical finder, an aluminum tripod with an accessory tray, and the colorful knowledge book \u201cSpace. 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