{"id":90891,"date":"2025-12-03T10:52:49","date_gmt":"2025-12-03T09:52:49","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=90891"},"modified":"2026-09-10T14:45:39","modified_gmt":"2026-09-10T12:45:39","slug":"skywatcher-ap-80-400-esprit-80ed-apochromatic-refractor-professional-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/skywatcher-ap-80-400-esprit-80ed-apochromatische-refractor-professional-ota\/","title":{"rendered":"Skywatcher AP 80\/400 ESPRIT-80ED Apochromatic Refractor Professional OTA"},"content":{"rendered":"<h2>Sky-Watcher Esprit-80ED: the compact professional<\/h2>\n<p>The Sky-Watcher Esprit-80ED is an 80\/400 mm (f\/5) apochromatic triplet with FPL-53 glass: short, fast, and built for sharp, color-pure deep-sky imaging. With f\/5, you gather in half the time what an f\/7 scope needs: under a Dutch sky with limited clear hours, that counts heavily.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/12\/Skywatcher-AP-80-400-ESPRIT-80ED-Apochromatische-Refractor-Professional-OTA-2.jpg\" alt=\"Sky-Watcher Esprit-80ED apochromatic triplet refractor\" class=\"wp-image-90892\" 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>Fast glass, complete equipment<\/h2>\n<p>The set includes a 9x50 correct-image finder and a 2-inch star diagonal, so the optical tube is also ready for immediate visual use. Photographically, f\/5 with triplet correction is a powerful combination: high signal per minute and stars that remain pinpoint.<\/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> A Star Adventurer GTi can handle lightweight cameras; an HEQ5-class mount provides comfort and room to grow.<\/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>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 serious deep-sky photographer looking for a fast, compact astrograph for large nebula fields.<\/p>\n<p><strong>Not<\/strong> For planetary photography or high-magnification images, the brand is too short; if you want to do astrophotography without having to learn how to use a mount or do 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<\/ul>\n<h2>Technical specifications<\/h2>\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Description<\/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>80<\/td>\n<\/tr>\n<tr>\n<td>Focal length (mm)<\/td>\n<td>400<\/td>\n<\/tr>\n<tr>\n<td>Focal Ratio (f\/)<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>1,44\u2033<\/td>\n<\/tr>\n<tr>\n<td>Limit value (mag)<\/td>\n<td>11,3<\/td>\n<\/tr>\n<tr>\n<td>Light output<\/td>\n<td>130\u00d7<\/td>\n<\/tr>\n<tr>\n<td>Max. useful magnification<\/td>\n<td>160\u00d7<\/td>\n<\/tr>\n<tr>\n<td>Lens Design<\/td>\n<td>Triplet<\/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>Tube weight (kg)<\/td>\n<td>3,97<\/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-80-400-ESPRIT-80ED-Apochromatische-Refractor-Professional-OTA-4.jpg\" alt=\"Sky-Watcher Esprit-80ED apochromatic triplet refractor, product photo 2\" class=\"wp-image-90894\" 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-80ED optical tube<\/li>\n<li>Finderscope: 9x50 right-angle<\/li>\n<\/ul>\n<\/div>\n<\/div>\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 merk 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 merk 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>The <strong>Sky-Watcher Esprit-80ED<\/strong> is a compact professional triplet: 80\/400 mm FPL-53 at f\/5, ensuring maximum signal per exposure minute with stars that remain pinpoint all the way to the corners. Includes a 9x50 correct-image finder and 2-inch diagonal.<\/p>","protected":false},"featured_media":98173,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[51,3175,567],"product_tag":[],"class_list":["post-90891","product","type-product","status-publish","has-post-thumbnail","product_brand-sky-watcher","product_cat-telescopen","product_cat-refractor-ota","product_cat-refractor-telescopen","product_shipping_class-licht","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":[90722,90724,90682],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":91125,"url":"https:\/\/www.telescoop.nl\/en\/skywatcher-m48-field-flattener-esprit-80ed\/","url_meta":{"origin":90891,"position":0},"title":"Sky-Watcher 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