{"id":93322,"date":"2026-01-10T13:54:57","date_gmt":"2026-01-10T12:54:57","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=93322"},"modified":"2026-03-06T10:16:10","modified_gmt":"2026-03-06T09:16:10","slug":"omegon-main-mirror-304mm-f5-mirror-set","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/omegon-hoofdspiegel-304mm-f5-spiegelset\/","title":{"rendered":"Omegon Main Mirror 304 mm f\/5 Mirror Set"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Omegon Head Mirrors -<\/strong> <strong>Razor-sharp images in a large Newton<\/strong><br>This 12\u2033 F\/5 mirror set is perfect for self-building a Newton mirror telescope. The 300 mm main mirror captures a lot of light, making even faint deep-sky objects visible. Together with the matching capture mirror, you'll enjoy sharpness and contrast across the entire field of view.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/staging.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Hoofdspiegels-12-F-5-spiegelset-3.jpg\" alt=\"Omegon Main mirror main mirror photographed diagonally, visible glass body and coating\" class=\"wp-image-93325\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>High quality materials and coatings<\/strong><br>The main mirror is parabolic and made of borosilicate glass for stability and precision. The catch mirror is flat and elliptical with a small axis of 70 mm. Both mirrors have aluminum and SiO\u2082 coatings that guarantee maximum reflection and color purity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/staging.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Hoofdspiegels-12-F-5-spiegelset-1.jpg\" alt=\"Omegon Main mirror elliptical catch mirror unprocessed with flat side visible\" class=\"wp-image-93327\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ideal for advanced builders<\/strong><br>This mirror set is designed for serious amateur astronomers who want to build a large Newton telescope. Perfect for visual observation as well as astrophotography, thanks to the precise shape and coating of the mirrors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What we recommend<\/strong><br>\u2713 Newton telescopes: ideal for self-building large mirror telescopes<br>\u2713 Usage: suitable for visual and photographic work<br>\u2713 Image quality: high contrast and high light output<br>\u2717 Beginners: not suitable for beginning builders<br>\u2717 Quick set-up: requires precision and experience<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Capacity<\/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>Aperture ratio (f\/)<\/td><td>5<\/td><\/tr><tr><td>Surface reflection<\/td><td>94%<\/td><\/tr><tr><td>Focal length (mm)<\/td><td>1500<\/td><\/tr><tr><td>Optics coating<\/td><td>Aluminum &amp; silicon dioxide<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>General<\/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>Diameter<\/td><td>304 mm \/ 12\u2033<\/td><\/tr><tr><td>Material<\/td><td>Borosilicate glass<\/td><\/tr><tr><td>Type<\/td><td>Parts<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Omegon Main Mirrors comes with a parabolic main mirror (\u00d8304 mm, f\/5) and elliptical catch mirror (small axis 70 mm), both with 94% reflection coating - ideal for self-built Newton telescopes with 1500 mm focal length and bright image quality.<\/p>","protected":false},"featured_media":99492,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[56,3091],"product_tag":[],"class_list":["post-93322","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-telescoop-accessoires","product_cat-telescoop-onderdelen","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":[],"_links":{"self":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/93322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=93322"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/99492"}],"wp:attachment":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=93322"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=93322"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=93322"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=93322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}