{"id":90360,"date":"2025-11-29T11:25:45","date_gmt":"2025-11-29T10:25:45","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=90360"},"modified":"2026-08-23T15:08:37","modified_gmt":"2026-08-23T13:08:37","slug":"sky-watcher-startravel-102-ota-4-refractor","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/sky-watcher-startravel-102-ota-4-refractor\/","title":{"rendered":"Sky-Watcher Startravel-102 (OTA) - 102mm f\/5 Refractor"},"content":{"rendered":"<h2>Sky-Watcher Startravel-102 (OTA): the popular widefield tube<\/h2>\n<p>The Sky-Watcher Startravel-102 OTA is the 102\/500mm (f\/4.9) achromatic refractor as a standalone tube: light, short, and complete with eyepieces. A popular travel tube and a nice widefield addition alongside a long-focal-length planetary scope or Dobsonian.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-AC-102-500-Telescoop-Startravel-OTA-2.jpg\" alt=\"Sky-Watcher Startravel-102 Optical Tube\" class=\"wp-image-90361\" title=\"\"><\/figure>\n<h2>What do you see through a Startravel?<\/h2>\n<p>Vast star fields dotted with pinpricks of light, the Pleiades fully in view, the Milky Way stretching like a ribbon across a dark sky, and bright nebulae such as Orion surrounding them. The moon looks surprisingly good, and bright planets are visible at their largest. During the day, the diagonal prism turns it into a powerful nature viewer for birds and landscapes.<\/p>\n<h2>Rich Field: Heaven on a Grand Scale<\/h2>\n<p>Star travel refractors are built for broad use: short focal length, wide field of view, and plenty of light per observation. Entire constellations, vast star fields, the Pleiades in one view, and comet hunting: that's their territory. With an erect image diagonal, they also make excellent daytime binoculars. One thing they are intentionally not: high-magnification planet specialists.<\/p>\n<h2>This is how to get the most out of this telescope<\/h2>\n<ul>\n<li><strong>Ready in ten minutes:<\/strong> A refractor lens has hardly any cooldown time, and the closed tube means no collimation. Set up and look.<\/li>\n<li><strong>Know what a fast achromat is:<\/strong> At f\/5, you'll see a distinct purple-blue edge around bright objects like Venus, Sirius, and the moon's edge. This is hardly noticeable in wide star fields, for which this lens was made; for high magnifications and photography, you'd choose an ED refractor. That's the honest agreement behind this price.<\/li>\n<li><strong>Look up at the dark sky<\/strong> Correct, widefield viewing gains immensely with low light pollution; this is an excellent telescope to take along.<\/li>\n<li><strong>Magnification:<\/strong> the 10mm eyepiece gives 50x; the wide field is the point of this tube, not the high magnification.<\/li>\n<li><strong>Never look directly at the sun without protection.,<\/strong> not even for a moment: only with a certified solar filter on the front.<\/li>\n<\/ul>\n<h2>For whom yes and for whom no<\/h2>\n<p><strong>Hello<\/strong> for those who already have a mount and want to add the wide field of view next to it.<\/p>\n<p><strong>Not<\/strong> For high-magnification planet detail, a Maksutov or long refractor is the better choice, and deep-sky photography suits an ED refractor or the <a href=\"https:\/\/www.telescoop.nl\/en\/telescopes\/smart-telescopes\/\">smart telescopes<\/a>. Our <a href=\"https:\/\/www.telescoop.nl\/en\/the-best-telescope-for-beginners\/\">Telescope Buying Guide for Beginners<\/a> Place the types side by side.<\/p>\n<h2>Featured accessories<\/h2>\n<p>These accessories add the most after purchase:<\/p>\n<ul>\n<li><strong>Moon Filter 25%:<\/strong> the <a href=\"https:\/\/www.telescoop.nl\/en\/omegon-moon-filter-25-125\/\">Omegon Moon Filter 25% (1.25 inches)<\/a> dampens the bright moonlight and increases the contrast. More explanation in our <a href=\"https:\/\/www.telescoop.nl\/en\/best-moon-filter-telescope\/\">Moon filter guide<\/a>.<\/li>\n<li><strong>Smartphone adapter:<\/strong> clamp your phone to the eyepiece for moon photos and nature shots. The <a href=\"https:\/\/www.telescoop.nl\/en\/sky-watcher-smartphoto-plus-smartphone-adapter-20mm-eyepiece\/\">Sky-Watcher SmartPhoto+ adapter<\/a> comes with a special 20 mm photo eyepiece.<\/li>\n<li><strong>Carrier bag<\/strong> Choose a compact, custom-fit refractor bag. View the <a href=\"https:\/\/www.telescoop.nl\/en\/telescope-accessories\/carrier-bags\/\">carrier bags<\/a>.<\/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>Design<\/td>\n<td>Achromat<\/td>\n<\/tr>\n<tr>\n<td>Type<\/td>\n<td>Refractor<\/td>\n<\/tr>\n<tr>\n<td>Aperture (mm)<\/td>\n<td>102<\/td>\n<\/tr>\n<tr>\n<td>Focal length (mm)<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>Focal Ratio (f\/)<\/td>\n<td>4,9<\/td>\n<\/tr>\n<tr>\n<td>Resolution<\/td>\n<td>1,13\u2033<\/td>\n<\/tr>\n<tr>\n<td>Limit value (mag)<\/td>\n<td>11,8<\/td>\n<\/tr>\n<tr>\n<td>Light output<\/td>\n<td>210\u00d7<\/td>\n<\/tr>\n<tr>\n<td>Max. useful magnification<\/td>\n<td>204\u00d7<\/td>\n<\/tr>\n<tr>\n<td>Tube weight (kg)<\/td>\n<td>3,48<\/td>\n<\/tr>\n<tr>\n<td>Tube construction<\/td>\n<td>Full tube<\/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\/11\/Skywatcher-AC-102-500-Telescoop-Startravel-OTA-3.jpg\" alt=\"Sky-Watcher Startravel-102 Optical Tube, Product Photo 2\" class=\"wp-image-90362\" 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 Startravel-102 Optical Tube Assembly (OTA, without mount)<\/li>\n<li>Included eyepieces and adapter (see specifications)<\/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>. Order before 11:59 PM for fast delivery, in the Netherlands and Belgium.<\/p>","protected":false},"excerpt":{"rendered":"<p>The <strong>Sky-Watcher Startravel-102 (Optical Tube Assembly)<\/strong> is the popular wide-field tube: 102\/500 mm f\/4.9 with eyepieces included, light enough for travel and a small tripod.<\/p>","protected":false},"featured_media":97927,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[51,3175,567],"product_tag":[],"class_list":["post-90360","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","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":[24771,91099],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":89803,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-startravel-102-eq1\/","url_meta":{"origin":90360,"position":0},"title":"Sky-Watcher Startravel-102 EQ1 - 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