{"id":92382,"date":"2026-01-04T19:44:38","date_gmt":"2026-01-04T18:44:38","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=92382"},"modified":"2026-06-01T21:20:09","modified_gmt":"2026-06-01T19:20:09","slug":"omegon-ac-90-500-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-ac-90-500-ota\/","title":{"rendered":"Omegon AC 90\/500 OTA"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Omegon AC 90\/500 Telescope - Compact power on the go<\/strong><br>The Omegon AC 90\/500 is a versatile achromatic refractor. With its 90 mm aperture and 500 mm focal length, it offers impressive brightness while remaining lightweight and portable. Perfect for travel observations or as a tracking scope with larger telescopes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Excellent optics for clear images<\/strong><br>Thanks to the high-quality double-lens lens with multicoating, reflections are minimized. Enjoy sharp impressions of the earth and starry sky from wide field to 80\u00d7 magnification.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Telescoop-AC-90-500-OTA-2.jpg\" alt=\"Omegon AC 90\/500 Telescope diagonal view of metal tube with focuser and dew cap.\" class=\"wp-image-92386\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2\u2033 Crayford focuser for precise focusing<\/strong><br>The Crayford focuser makes it easy to get details razor sharp. Use 2\u2033 eyepieces for wide-field observations or 1.25\u2033 eyepieces via the included adapter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Sturdy, durable design<\/strong><br>The metal tube and extendable dew cap protect the optics and give the telescope a high-quality look. It is sturdy enough for intensive use, but light enough to take with you when traveling.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Telescoop-AC-90-500-OTA-3.jpg\" alt=\"Omegon AC 90\/500 Telescope OTA front view with tube rings mounted on Vixen saddle.\" class=\"wp-image-92385\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Versatile mounting options<\/strong><br>The telescope comes with double tube rings and an attached dovetail. Thus it fits virtually any mount with GP clamp, ideal for astrophotography or as a tracking scope on larger telescopes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Included accessories<\/strong><br>\u2713 Tube rings for mounting<br>\u2713 Transport bag<br>\u2713 1.25\u2033 &amp; 2\u2033 eyepiece adapter<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Optics<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Type<\/td><td>Refractor<\/td><\/tr><tr><td>Design<\/td><td>Achromate<\/td><\/tr><tr><td>Aperture (mm)<\/td><td>90<\/td><\/tr><tr><td>Focal length (mm)<\/td><td>500<\/td><\/tr><tr><td>Aperture ratio (f\/)<\/td><td>5,5<\/td><\/tr><tr><td>Resolution<\/td><td>1.15 (Rayleigh)<\/td><\/tr><tr><td>Limit value (mag)<\/td><td>12,2<\/td><\/tr><tr><td>Light output<\/td><td>165\u00d7<\/td><\/tr><tr><td>Max. useful magnification<\/td><td>80\u00d7<\/td><\/tr><tr><td>Tube weight (kg)<\/td><td>2,2<\/td><\/tr><tr><td>Tube construction<\/td><td>Full tube<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Focuser<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Design<\/td><td>Crayford<\/td><\/tr><tr><td>Ocular connection<\/td><td>2\u2033<\/td><\/tr><tr><td>Backfocus (mm)<\/td><td>130<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mount<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Type of mount<\/td><td>Without mount<\/td><\/tr><tr><td>GoTo steering<\/td><td>No<\/td><\/tr><tr><td>Design<\/td><td>OTA<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Included accessories<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Section<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Tube Rings<\/td><td>Yes<\/td><\/tr><tr><td>Transport bag<\/td><td>Yes<\/td><\/tr><tr><td>Eyepiece adapter<\/td><td>1,25\u2033 &amp; 2\u2033<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Observation goals<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Astrophotography<\/td><td>Yes<\/td><\/tr><tr><td>Nature observation<\/td><td>Yes<\/td><\/tr><tr><td>Moon &amp; Planets<\/td><td>Yes<\/td><\/tr><tr><td>Nebulae &amp; galaxies<\/td><td>Not recommended<\/td><\/tr><tr><td>Sun<\/td><td>Not recommended (only with appropriate sunscreen)<\/td><\/tr><tr><td>Recommended for<\/td><td>Advanced<\/td><\/tr><tr><td>Beginners<\/td><td>No<\/td><\/tr><tr><td>Observatory<\/td><td>No<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p><span style=\"--tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; border: 0px solid #e5e7eb; font-weight: 600; color: #34363d; font-family: Inter, 'Inter Fallback', ui-sans-serif, system-ui, sans-serif; font-size: 14px; background-color: #fdfdfe;\">Omegon AC 90\/500 Telescope<\/span><span style=\"color: #34363d; font-family: Inter, 'Inter Fallback', ui-sans-serif, system-ui, sans-serif; font-size: 14px; background-color: #fdfdfe;\">\u00a0Comes with achromatic refractor, 2\u2033 Crayford focuser, tube rings, 1.25\u2033\/2\u2033 eyepiece adapter and transport bag - ideal for advanced users who want to make sharp wide-field observations or seek a reliable tracking scope for astrophotography.<\/span><\/p>","protected":false},"featured_media":98789,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[51,3175,567],"product_tag":[],"class_list":["post-92382","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-telescopen","product_cat-refractor-ota","product_cat-refractor-telescopen","product_shipping_class-licht","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":104875,"url":"https:\/\/www.telescoop.nl\/en\/levenhuk-labzz-t3\/","url_meta":{"origin":92382,"position":0},"title":"Levenhuk LabZZ T3 - 60\/700 Refractor","author":"Abdullah Ibrar","date":"24-03-2026","format":false,"excerpt":"Levenhuk LabZZ T3 - 60\/700 Refractor comes with 4mm eyepiece, 12.5mm eyepiece, 1.5x eyepiece, 3x Barlow lens, 5x optical viewfinder, zenith mirror and aluminum tripod with accessory tray.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Levenhuk LabZZ T3 - 60\/700 Refractor aluminium statief met accessoirebak","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/03\/Levenhuk-LabZZ-T3-60700-Refractor-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":105023,"url":"https:\/\/www.telescoop.nl\/en\/levenhuk-blitz-50-base\/","url_meta":{"origin":92382,"position":1},"title":"Levenhuk Blitz 50 BASE \u2013 50\/600 Refractor","author":"Abdullah Ibrar","date":"01-04-2026","format":false,"excerpt":"The Levenhuk Blitz 50 BASE \u2013 50\/600 Refractor comes with 6mm and 20mm eyepieces, a 3x Barlow lens, a 5x24 finder scope, a diagonal mirror, and an aluminum tripod. 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