{"id":90885,"date":"2025-12-03T10:27:54","date_gmt":"2025-12-03T09:27:54","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=90885"},"modified":"2026-10-13T11:15:02","modified_gmt":"2026-10-13T09:15:02","slug":"skywatcher-ap-150-1050-esprit-150ed-apochromatic-refractor-professional-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/skywatcher-ap-150-1050-esprit-150ed-apochromatische-refractor-professional-ota\/","title":{"rendered":"Skywatcher AP 150\/1050 ESPRIT-150ED Apochromatic Refractor Professional OTA"},"content":{"rendered":"<h2>Sky-Watcher Esprit-150ED: the flagship<\/h2>\n<p>The Sky-Watcher Esprit-150ED is the flagship of the refractor line: a 150\/1050 mm (f\/7) apochromatic triplet with FPL-53 glass. Six-inch triplet aperture is observatory class: the instrument with which both publishable deep-sky images and visual planetary sessions of the highest level are created.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/12\/Skywatcher-AP-150-1050-ESPRIT-150ED-Apochromatische-Refractor-Professional-OTA-4.jpg\" alt=\"Sky-Watcher Esprit-150ED apochromatic triplet refractor\" class=\"wp-image-90889\" title=\"\"><\/figure>\n<h2>Why an Esprit?<\/h2>\n<p>The Esprit line is Sky-Watcher's professional astrophotography series: air-spaced triplets with premium glass, built to place flat, color-pure star fields onto a camera sensor. Stars remain points even in the corners, even with large sensors, and bright stars do not develop a purple halo. This is the class where optics make the difference between a nice and a publishable photo.<\/p>\n<h2>Observatory class<\/h2>\n<p>At this size, everything comes together: resolution for the finest details, light-gathering power for faint targets, and color correction that satisfies even the most critical sensor. The included 2-inch star diagonal and finder scope make it immediately ready for visual use. Count on a permanent or semi-permanent setup: this instrument deserves a permanent place.<\/p>\n<h2>This is how to get the most out of this telescope<\/h2>\n<ul>\n<li><strong>Virtually no cooling time and no collimation:<\/strong> A refractor is ready within fifteen minutes, and the optics stay aligned. More time for photons.<\/li>\n<li><strong>The setup determines your photo result:<\/strong> EQ6-R class or heavier is the minimum; for photography, a fixed pier or permanent setup is ideal.<\/li>\n<li><strong>Plan to flatten me:<\/strong> For sharp stars all the way to the corners of your sensor, a field flattener is essential for a photographic refractor. Order it along with your initial purchase to avoid a second waiting period.<\/li>\n<li><strong>Dew control is essential with lenses:<\/strong> A dew cap or dew heater prevents the front lens from fogging up in the middle of a session.<\/li>\n<li><strong>Visually pleasing as well:<\/strong> At 175x (with a 6 mm eyepiece), the planetary image of this caliber triplet is nothing short of spectacular.<\/li>\n<li><strong>Never look directly at the sun without protection.,<\/strong> not even for one photo: only with a certified solar filter in front.<\/li>\n<\/ul>\n<h2>For whom yes and for whom no<\/h2>\n<p><strong>Hello<\/strong> the photographer or observer for whom this is the ultimate instrument: anyone considering an Esprit-150 usually already knows why for years.<\/p>\n<p><strong>Not<\/strong>  If you want astrophotography without a mount learning curve and post-processing, then the <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/smart-telescopes\/\">smart telescopes<\/a> the shorter route; ours <a href=\"https:\/\/www.telescoop.nl\/en\/the-best-telescope-for-beginners\/\">Telescope Buying Guide for Beginners<\/a> explain the difference.<\/p>\n<h2>Featured accessories<\/h2>\n<p>These accessories add the most after purchase:<\/p>\n<ul>\n<li><strong>Camera adapter:<\/strong> The Sky-Watcher M48 adapters connect your Canon EOS or Nikon directly to the flattener or focuser.<\/li>\n<li><strong>Light Pollution Filter (2 inch)<\/strong> Under the Dutch or Belgian sky, a light pollution filter can significantly enhance the contrast in your photos.<\/li>\n<li><strong>A 6mm planetary eyepiece:<\/strong> the <a href=\"https:\/\/www.telescoop.nl\/en\/sky-watcher-6-mm-planetary-uwa-eyepiece-58-125\/\">Sky-Watcher 6mm Planetary UWA Eyepiece<\/a> gives 175x for visual planet work. If you want to go one step further, there is also the 5 mm version (210x).<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Type<\/td>\n<td>Refractor<\/td>\n<\/tr>\n<tr>\n<td>Design<\/td>\n<td>Apochromat<\/td>\n<\/tr>\n<tr>\n<td>Aperture (mm)<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>Focal length (mm)<\/td>\n<td>1050<\/td>\n<\/tr>\n<tr>\n<td>Aperture ratio (f\/)<\/td>\n<td>7<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>0,77<\/td>\n<\/tr>\n<tr>\n<td>Limit value (mag)<\/td>\n<td>12,7<\/td>\n<\/tr>\n<tr>\n<td>Light output<\/td>\n<td>460<\/td>\n<\/tr>\n<tr>\n<td>Max. useful magnification<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>Tube weight (kg)<\/td>\n<td>14,50<\/td>\n<\/tr>\n<tr>\n<td>Tube material<\/td>\n<td>Aluminum<\/td>\n<\/tr>\n<tr>\n<td>Tube construction<\/td>\n<td>Full tube<\/td>\n<\/tr>\n<tr>\n<td>Lens design<\/td>\n<td>Triplet<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"wp-block-columns is-layout-flex\">\n<div class=\"wp-block-column\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/12\/Skywatcher-AP-150-1050-ESPRIT-150ED-Apochromatische-Refractor-Professional-OTA-3.jpg\" alt=\"Sky-Watcher Esprit-150ED apochromatic triplet refractor, product photo 2\" class=\"wp-image-90888\" title=\"\"><\/figure>\n<\/div>\n<div class=\"wp-block-column\" style=\"flex-basis:62%\">\n<h2>Included in the box<\/h2>\n<ul>\n<li>Sky-Watcher Esprit-150ED optical tube<\/li>\n<li>Eyepiece: LET 28 mm (2\u2033)<\/li>\n<li>Searcher: 9x50<\/li>\n<li>Free: Stargazer's Handbook by Telescoop.nl (16 pages, Dutch language)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<h2>Free Stargazers' Handbook<\/h2>\n<p>Every Sky-Watcher telescope from Telescoop.nl comes with our own Stargazer\u2019s Handbook in the box. It\u2019s a 16-page booklet that helps you get started on your first few nights: how to align the finder scope, what magnification to start with, why the image sometimes wobbles, and when a telescope does or doesn\u2019t need to be collimated. It\u2019s not a thick book\u2014just the essentials you really need when you\u2019re starting out.<\/p>\n<h2>Honest advice from observers<\/h2>\n<p>We sell and use the Sky-Watcher line ourselves. In our <a href=\"https:\/\/www.telescoop.nl\/en\/skywatcher-telescopes\/\">Sky-Watcher brand guide<\/a> We'll explain which series are strong and which you'd rather skip. View the full range on our <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/sky-watcher\/\">Sky-Watcher brand page<\/a>. Ordered before 11:59 PM gets it fast, in the Netherlands and Belgium. Unsure about mounting, flattener, or camera connection? Call or email us: we're happy to help with astrophotography setups.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>This is just the tube (OTA), without mounting and tripod.<\/strong> You can choose the appropriate mounting and the accessories that come with it below.<\/p>\n<p>The <strong>Sky-Watcher Esprit-150ED<\/strong> It is the flagship: the 150\/1050 mm FPL-53 observatory-class triplet for publishable deep-sky observations and the highest-level visual planetary imaging. You get our Starry Sky Handbook for free: 16 pages of practical explanations for your first nights with the telescope.<\/p>","protected":false},"featured_media":98172,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[51,3175,567],"product_tag":[3352,3353],"class_list":["post-90885","product","type-product","status-publish","has-post-thumbnail","product_brand-sky-watcher","product_cat-telescopen","product_cat-refractor-ota","product_cat-refractor-telescopen","product_tag-sterrenkijker","product_tag-sterrenkijkers","first","outofstock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"outofstock","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":[27759,32746,32894,90722,90724,90682,90424,90422],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":107991,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-esprit-60edx\/","url_meta":{"origin":90885,"position":0},"title":"Sky-Watcher Esprit-60EDX","author":"Info telescoop","date":"12-05-2026","format":false,"excerpt":"The Sky-Watcher Esprit-60EDX brings professional triplet optics to a travel-sized package: Hoya FCD100 glass, Linear Power Focuser without image shift and a dedicated flattener stand included. 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You can choose the appropriate mounting and the accessories that come with it below. The Sky-Watcher Esprit-80ED is a compact professional triplet: 80\/400 mm FPL-53 at f\/5, so maximum signal per exposure minute with stars that stay in the corners. Includes...","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\/12\/Skywatcher-AP-80-400-ESPRIT-80ED-Apochromatische-Refractor-Professional-OTA-4.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":90896,"url":"https:\/\/www.telescoop.nl\/en\/skywatcher-ap-100-550-esprit-100ed-apochromatische-refractor-professional-ota\/","url_meta":{"origin":90885,"position":2},"title":"Skywatcher AP 100\/550 ESPRIT-100ED Apochromatic Refractor Professional OTA","author":"","date":"03-12-2025","format":false,"excerpt":"This is just the tube (OTA), without the mounting and tripod. 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You get our\u2026","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\/12\/Skywatcher-AP-120-840-ESPRIT-120ED-Apochromatische-Refractor-Professional-OTA-3.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":91133,"url":"https:\/\/www.telescoop.nl\/en\/skywatcher-0-77x-reducer-flattener-esprit-150ed\/","url_meta":{"origin":90885,"position":4},"title":"Sky-Watcher 0.77x Focal Reducer &amp; Field Flattener for Esprit-150ED","author":"","date":"04-12-2025","format":false,"excerpt":"Skywatcher's M48 Esprit-150ED comes with integrated M48 camera connector and specially designed field flattener for the Skywatcher Esprit 150 - ideal for taking razor-sharp astrophotos across the full field of view.\u00a0\u00a0","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":113638,"url":"https:\/\/www.telescoop.nl\/en\/adapterset-voor-sky-watcher-esprit-120-en-150-past-op-feather-touch-ftf3035b-a-starlight\/","url_meta":{"origin":90885,"position":5},"title":"Adapter set for Sky-Watcher Esprit 120 and 150, fits on Feather Touch FTF3035B-A | Starlight","author":"Info telescoop","date":"09-10-2026","format":false,"excerpt":"Adapters to mount the 3 inch Feather Touch FTF3035B-A on a Sky-Watcher Esprit 120 or Esprit 150 refractor.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/53750_1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/53750_1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/53750_1.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/90885","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=90885"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/98172"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=90885"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=90885"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=90885"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=90885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}