{"id":33788,"date":"2025-11-14T16:27:02","date_gmt":"2025-11-14T15:27:02","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=33788"},"modified":"2026-05-18T16:10:44","modified_gmt":"2026-05-18T14:10:44","slug":"william-optics-fluorostar-120-780-apo-gold-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/william-optics-fluorostar-120-780-apo-gold-ota\/","title":{"rendered":"William Optics Fluorostar 120\/780 APO Gold OTA"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Powerful images with deep colors<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>William Optics 120\/780 FluoroStar Gold<\/strong> delivers sharp, colorful images.It <strong>triplet of FPL-53 and lanthanum glass<\/strong> provides bright stars and fine detail.Double stars are easy to see apart.<br>On Jupiter and Saturn, you can clearly see the cloud bands and rings as if you were floating next to them.<\/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=\"33789\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-120-780-Apochromatische-refractor-AP-Fluorostar-Gold-OTA-2.jpg\" alt=\"William Optics 120\/780 Apochromatic refractor with Losmandy-style dovetail and Bahtinov mask.\" class=\"wp-image-33789\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Large bright field, perfect for deep-sky<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>120 mm opening<\/strong> Captures a lot of light, ideal for nebulae and galaxies.With the <strong>Flat7A flattener<\/strong> you get a flat image, even on full-frame cameras.Astrophotography becomes easier and faster, with sharp images all the way to the edge.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Precision and ease of use<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>rack-and-pinion focuser<\/strong> is smooth and precise.The <strong>1:10 reduction<\/strong> Helps in perfect focusing.The focuser is <strong>rotating<\/strong>, so your camera is always in the right position.The <strong>Bahtinov mask<\/strong> makes focusing easy even for faint stars.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sturdy, light and travel-ready<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The tube has a <strong>retractable dew cap<\/strong> and is compact for transportation.With <strong>7.2 kg<\/strong> the telescope is light and easy to carry.The Vixen\/Skywatcher accessory shoe and handle make it easy to use.<\/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=\"33795\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-120-780-Apochromatische-refractor-AP-Fluorostar-Gold-OTA-8.jpg\" alt=\"William Optics 120\/780 close-up of the 1:10 reduction rack and pinion focuser.\" class=\"wp-image-33795\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ideal for astrophotography and planets<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Perfect for capturing planets, nebulae and galaxies.Suitable for advanced and compact observatories.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Optics<\/h3>\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>Apochromat<\/td><\/tr><tr><td>Aperture (mm)<\/td><td>120<\/td><\/tr><tr><td>Focal length (mm)<\/td><td>780<\/td><\/tr><tr><td>Focal Ratio (f\/)<\/td><td>6,5<\/td><\/tr><tr><td>Resolution<\/td><td>1,15\u2033<\/td><\/tr><tr><td>Limit value (mag)<\/td><td>12,3<\/td><\/tr><tr><td>Light output<\/td><td>290<\/td><\/tr><tr><td>Max. useful magnification<\/td><td>240\u00d7<\/td><\/tr><tr><td>Lens Design<\/td><td>Triplet<\/td><\/tr><tr><td>Tube weight (kg)<\/td><td>7,2<\/td><\/tr><tr><td>Tube diameter (mm)<\/td><td>126<\/td><\/tr><tr><td>Tube length (mm)<\/td><td>850<\/td><\/tr><tr><td>Transport length (mm)<\/td><td>680<\/td><\/tr><tr><td>Coating<\/td><td>STM<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Focuser<\/h3>\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>Rack-and-pinion<\/td><\/tr><tr><td>Ocular connection<\/td><td>2\u2033<\/td><\/tr><tr><td>Connection (camera side)<\/td><td>T2<\/td><\/tr><tr><td>Free opening (mm)<\/td><td>83<\/td><\/tr><tr><td>Reduction<\/td><td>1:10 finesse<\/td><\/tr><tr><td>Adjustment range (mm)<\/td><td>95<\/td><\/tr><tr><td>Rotatable<\/td><td>Yes<\/td><\/tr><tr><td>Connection (telescope)<\/td><td>3,3\u2033<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Mount<\/h3>\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>OTA<\/td><\/tr><tr><td>Type of mount<\/td><td>Without<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Included accessories<\/h3>\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>Divergent optics<\/td><td>No<\/td><\/tr><tr><td>Dovetail<\/td><td>Losmandy-Style<\/td><\/tr><tr><td>Handle<\/td><td>Yes<\/td><\/tr><tr><td>Focusing aid<\/td><td>Bahtinov mask<\/td><\/tr><tr><td>Transport bag<\/td><td>Yes<\/td><\/tr><tr><td>Accessory shoe<\/td><td>Vixen\/Skywatcher Level<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">General<\/h3>\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>Series<\/td><td>FluoroStar<\/td><\/tr><tr><td>Color<\/td><td>Gold<\/td><\/tr><tr><td>Observation goals<\/td><td>Astrophotography, Moon &amp; Planets, Nebulae &amp; galaxies<\/td><\/tr><tr><td>Recommended for<\/td><td>Advanced<\/td><\/tr><tr><td>Observatory use<\/td><td>Yes<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>William Optics 120\/780 comes with a Losmandy-style dovetail, handle, Bahtinov mask, transport bag and a Vixen\/Skywatcher accessory shoe - perfect for the serious astrophotographer who strives for color-clean and razor-sharp images. \u00a0<\/p>","protected":false},"featured_media":97301,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[643],"product_cat":[51,3175,567],"product_tag":[],"class_list":["post-33788","product","type-product","status-publish","has-post-thumbnail","product_brand-william-optics","product_cat-telescopen","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":104875,"url":"https:\/\/www.telescoop.nl\/en\/levenhuk-labzz-t3\/","url_meta":{"origin":33788,"position":0},"title":"Levenhuk 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