{"id":33881,"date":"2025-11-15T13:41:55","date_gmt":"2025-11-15T12:41:55","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=33881"},"modified":"2026-07-18T13:40:58","modified_gmt":"2026-07-18T11:40:58","slug":"william-optics-zenithstar-73-430-apo-gold-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/william-optics-zenithstar-73-430-apo-gold-ota\/","title":{"rendered":"William Optics ZenithStar 73\/430 APO Gold OTA"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>De gouden middenweg voor de ster-tracker<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>William Optics ZenithStar 73 Gold<\/strong> is een lichte, compacte apochromaat die precies past op lichte monteringen zoals een Star Adventurer of ster-tracker. Binnen enkele minuten sta je klaar om te observeren of te fotograferen, thuis of op reis.<\/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-large\"><img decoding=\"async\" data-id=\"33884\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-AP-73-430-73-Apochromatische-refractor-Super-ZenithStar-Gold-OTA-4.jpg\" alt=\"William Optics ZenithStar 73 Gold apochromatische refractor, totaalbeeld\" class=\"wp-image-33884\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Groothoekbeeld met scherpte tot aan de rand<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">De 73 mm opening met FPL-53 ED-glas en 430 mm brandpunt (f\/5,9) geeft een breed, kleurzuiver veld: sterrenvelden, grotere nevels en de Melkweg passen ruim in beeld. Het meegeleverde Bahtinov-masker maakt scherpstellen exact, en het handvat met prismaklem neemt de guidescope of zoeker direct aan. Met de optionele Flat73A flattener blijven sterren ook op full-frame strak tot in de hoeken.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>In the box<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Optische buis ZenithStar 73\/430 Gold<\/li>\n\n\n\n<li>Tube Rings<\/li>\n\n\n\n<li>Vixen-Style dovetail<\/li>\n\n\n\n<li>Handvat met prismaklem<\/li>\n\n\n\n<li>Bahtinov mask<\/li>\n\n\n\n<li>Soft carrier bag<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Featured accessories<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/www.telescoop.nl\/en\/telescope-accessories\/astro-photography\/other-astrophotography-accessories\/\">William Optics Flat73A flattener<\/a> (289 euro) is de passende veldcorrector voor deze buis; de UniGuide 32 mm guidescope (159 euro) maakt geleide opnamen mogelijk.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">For whom yes, for whom no<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Wel: mobiele astrofotografen die een stap meer opening willen dan de ZenithStar 61, met behoud van reisgewicht. Niet: wie het maximale uit een vast opgestelde full-frame set wil halen; de ZenithStar 81 WIFD of de Cat 91-klasse past daar beter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Optical design<\/td><td>Apochromat, FPL-53 doublet<\/td><\/tr><tr><td>Opening<\/td><td>73 mm<\/td><\/tr><tr><td>Focal length<\/td><td>430 mm<\/td><\/tr><tr><td>Opening ratio<\/td><td>f\/5,9<\/td><\/tr><tr><td>Focus assist<\/td><td>Bahtinov mask<\/td><\/tr><tr><td>Attachment<\/td><td>Buisringen met Vixen-Style zwaluwstaart en handvat<\/td><\/tr><tr><td>Execution<\/td><td>OTA (empty tube), Gold<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Unsure about the right tube for your camera and mount? The <a href=\"https:\/\/www.telescoop.nl\/en\/telescope-selection-aid\/\">telescope selection aid<\/a> helps you choose. Also view all <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/refracting-telescopes\/\">Refracting telescopes<\/a> and the full range of <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/william-optics\/\">William Optics<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>William Optics ZenithStar 73 Gold: FPL-53 apochromaat 73\/430 f\/5,9 voor mobiele astrofotografie. Geleverd met buisringen, Vixen-zwaluwstaart, handvat met prismaklem, Bahtinov-masker en draagtas.<\/p>","protected":false},"featured_media":97373,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[643],"product_cat":[51,428,531,3175,567],"product_tag":[],"class_list":["post-33881","product","type-product","status-publish","has-post-thumbnail","product_brand-william-optics","product_cat-telescopen","product_cat-telescopen-voor-astrofotografie","product_cat-gevorderd","product_cat-refractor-ota","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":34116,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-71-73-zenithstar-transporttas\/","url_meta":{"origin":33881,"position":0},"title":"William Optics 71 &amp; 73 ZenithStar Transport Bag","author":"","date":"17-11-2025","format":false,"excerpt":"William Optics transporttas voor de ZenithStar 71 of 73: stevig nylon met ritssluiting, gemaakt voor het originele schuiminzetstuk van je telescoop.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":34300,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-flat73a-flattener-voor-zenithstar-73\/","url_meta":{"origin":33881,"position":1},"title":"William Optics Flat73A Flattener for ZenithStar 73","author":"","date":"17-11-2025","format":false,"excerpt":"William Optics Flat73A flattener for ZenithStar 73: M63 telescope side, M48 camera side, adjustable back focus with scale and direct M48 filter thread.","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\/William-Optics-Flattener-Flat73A-voor-ZenithStar-73-5.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":33894,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-zenithstar-81-559-apo-wifd-red-ota\/","url_meta":{"origin":33881,"position":2},"title":"William Optics ZenithStar 81\/559 APO WIFD Red OTA","author":"","date":"15-11-2025","format":false,"excerpt":"William Optics ZenithStar 81 WIFD Red: FPL-53 apochromaat 81\/559 f\/6,9 met interne focuser, rode uitvoering. Geleverd met buisringen, Arca\/Vixen-zwaluwstaart, handvat, Bahtinov-masker, adapters en draagtas.","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\/William-Optics-AP-81-559-81-Apochromatische-refractor-ZenithStar-WIFD-Red-OTA-3.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":33886,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-zenithstar-81-559-apo-wifd-goud-ota\/","url_meta":{"origin":33881,"position":3},"title":"William Optics ZenithStar 81\/559 APO WIFD Gold OTA","author":"","date":"15-11-2025","format":false,"excerpt":"William Optics ZenithStar 81 WIFD Goud: FPL-53 apochromaat 81\/559 f\/6,9 met interne focuser. Geleverd met buisringen, Arca\/Vixen-zwaluwstaart, handvat, Bahtinov-masker, adapters en draagtas.","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\/William-Optics-AP-81-559-81-Apochromatische-refractor-ZenithStar-WIFD-Goud-OTA-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":33858,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-zenithstar-61-360-apo-ii-ota-2\/","url_meta":{"origin":33881,"position":4},"title":"William Optics ZenithStar 61\/360 APO II OTA","author":"Info telescoop","date":"15-11-2025","format":false,"excerpt":"William Optics ZenithStar 61 II, scope OTA: compact FPL-53 apochromat 61\/360 f\/5.9 for astrophotography and visual use. Supplied with tube rings, Arca\/Vixen dovetail, and 2 to 1.25 inch 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\/William-Optics-AP-61-360-ZS61-II-Apochromatische-refractor-ZenithStar-OTA-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":33869,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-zenithstar-61-360-apo-ii-ota\/","url_meta":{"origin":33881,"position":5},"title":"William Optics ZenithStar 61\/360 APO II OTA with Flattener &amp; Guidescope","author":"","date":"15-11-2025","format":false,"excerpt":"William Optics ZenithStar 61 II set: FPL-53 Apochromatic 61\/360 f\/5.9 complete with field flattener, UniGuide 32mm guidescope, tube rings, dovetail, and carrying case. Ready for guided astrophotography.","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\/William-Optics-AP-61-360-ZS61-II-Apochromatische-refractor-ZenithStar-OTA-3-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/33881","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=33881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/97373"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=33881"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=33881"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=33881"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=33881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}