{"id":33767,"date":"2025-11-14T15:34:03","date_gmt":"2025-11-14T14:34:03","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=33767"},"modified":"2026-05-18T16:10:46","modified_gmt":"2026-05-18T14:10:46","slug":"william-optics-fluorostar-156-1217-refractor-apo-space-gray-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/william-optics-fluorostar-156-1217-refractor-apo-space-gray-ota\/","title":{"rendered":"William Optics Fluorostar 156\/1217 Refractor APO Space Gray OTA"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Powerful apochromatic for razor-sharp images<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>William Optics AP 156\/1217 FluoroStar Gray<\/strong> shows star spots really pointy.It <strong>triplet of FPL-53 and lanthanum glass<\/strong> delivers pure colors and sharp details.Double stars appear separately and the bright bands of Jupiter and Saturn's rings are clearly visible.<\/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=\"33768\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-AP-156-1217-Apochromatische-refractor-Fluorostar-Gray-OTA-1.jpg\" alt=\"William Optics AP 156\/1217 front view lens with green ED coating\" class=\"wp-image-33768\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Lots of light for deep-sky and planets<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">With <strong>156 mm aperture and f\/7.8<\/strong> catch a lot of light.You see faint nebulae and galaxies clearly.Use the <strong>Flat7A flattener<\/strong> for a flat field of view on full-frame cameras.Photographing planets or deep-sky objects becomes easier and faster.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Precision focusing with heavy equipment<\/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 fine adjustment<\/strong> Helps you focus precisely.The focuser is <strong>rotating<\/strong> so you position the camera optimally.Use the <strong>Bahtinov mask<\/strong> for perfect sharpness even with faint stars.<\/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=\"33770\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-AP-156-1217-Apochromatische-refractor-Fluorostar-Gray-OTA-2.jpg\" alt=\"William Optics AP 156\/1217 close-up of multi-coated triplet lens\" class=\"wp-image-33770\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Strong and user-friendly design<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Rotolock adapter<\/strong> Clamps accessories securely and does not tilt.The <strong>ribbed ring<\/strong> is easy to operate, even with gloves.The new <strong>carrying handle with long finder shoe<\/strong> keeps tracking scopes and viewfinders stable.The telescope is in <strong>gray<\/strong> finished and ready to use immediately.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ideal for astrophotography and planetary observation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This apochromatic is perfect for detailed planet photos and impressive deep-sky shots.Suitable for advanced observers and 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>156<\/td><\/tr><tr><td>Focal length (mm)<\/td><td>1217<\/td><\/tr><tr><td>Focal Ratio (f\/)<\/td><td>7,8<\/td><\/tr><tr><td>Resolution<\/td><td>0,88\u2033<\/td><\/tr><tr><td>Limit value (mag)<\/td><td>12,8<\/td><\/tr><tr><td>Light output<\/td><td>500<\/td><\/tr><tr><td>Max. useful magnification<\/td><td>312\u00d7<\/td><\/tr><tr><td>Lens Design<\/td><td>Triplet<\/td><\/tr><tr><td>Tube weight (kg)<\/td><td>17<\/td><\/tr><tr><td>Tube length (mm)<\/td><td>1330<\/td><\/tr><tr><td>Transport length (mm)<\/td><td>1120<\/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>Free opening (mm)<\/td><td>94<\/td><\/tr><tr><td>Ring clamp<\/td><td>Yes<\/td><\/tr><tr><td>Reduction<\/td><td>1:10 finesse<\/td><\/tr><tr><td>Adjustment range (mm)<\/td><td>100<\/td><\/tr><tr><td>Rotatable<\/td><td>Yes<\/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>Dew cap<\/td><td>Yes<\/td><\/tr><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 case<\/td><td>No<\/td><\/tr><tr><td>Transport bag<\/td><td>No<\/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>Silver<\/td><\/tr><tr><td>Observation goals<\/td><td>Astrophotography, Moon &amp; Planets, Nebulae &amp; galaxies<\/td><\/tr><tr><td>Sun<\/td><td>No (only with suitable sunscreens)<\/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 AP 156\/1217 comes with Losmandy swallowtail, extendable dew cap, Rotolock 2\u2033 focuser with 1:10 fine adjustment, integrated Bahtinov mask, carrying handle with finder shoe and high-quality triplet lens caps - a top-of-the-line Fluorostar OTA for visual and photo. \u00a0<\/p>","protected":false},"featured_media":97293,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[643],"product_cat":[51,3175,567],"product_tag":[],"class_list":["post-33767","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":105495,"url":"https:\/\/www.telescoop.nl\/en\/levenhuk-new-skyline-pro-16\/","url_meta":{"origin":33767,"position":0},"title":"Levenhuk 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