{"id":33267,"date":"2025-11-10T13:53:15","date_gmt":"2025-11-10T12:53:15","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=33267"},"modified":"2026-07-19T20:54:40","modified_gmt":"2026-07-19T18:54:40","slug":"ioptron-iafs3-2-inch-automatic-focuser","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/ioptron-iafs3-2-inch-automatic-focuser\/","title":{"rendered":"iOptron iAFS3 2\" Automatic Focuser"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>iOptron iAFS3 2\" Automatic Focuser: inline automatische focuser van 3 inch<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De iAFS3 is de 3 inch uitvoering van iOptrons inline automatische focuser. Hij zit in de optische as tussen telescoop en camera; de wormspindelaandrijving geeft nul backlash en vergrendelt de positie passief (iLock), zodat de focus blijft staan bij elke stand van de buis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Met 6 kg draagvermogen en een vrije opening van 68 mm is de iAFS3 gemaakt voor grote RC's, astrografen en fullframe-fototreinen zonder vignettering. De resolutie is 0,6 \u00b5m per stap.<\/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 size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-1.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-2.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-3.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-4.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-5.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n<\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-2.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\"><strong>Drie manieren van scherpstellen<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Bediening kan via de computer (ASCOM en INDI), met de knoppen op de behuizing of met het handmatige focuswiel dat de motor overrulet. De ingebouwde temperatuursensor voedt temperatuurcompensatie in je opnamesoftware, zodat de focus de hele nacht scherp blijft.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/iOptron-iAFS3-2-Automatic-Focuser-3.jpg\" alt=\"iOptron iAFS3 2\" automatic title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\"><strong>Supplied complete<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">De iAFS3 komt met een 2 inch visual back en USB-C-kabels en onthoudt zijn positie zonder voeding. De camerahoekversteller draait je beelduitsnede zonder de fototrein los te nemen. Voor de telescoopzijde zijn iAFS3-adapters beschikbaar, onder andere voor GSO 3 inch Newtons, GSO RC10 tot RC16 en Askar APO's.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Included<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>iAFS3 focuser (FA30)<\/li>\n\n\n\n<li>2\" rear-view display<\/li>\n\n\n\n<li>USB-C-kabels<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Featured accessories<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kies de iAFS3-adapter die bij jouw telescoop hoort, bijvoorbeeld voor GSO 10\" en 12\" Newtons.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>For whom yes and for whom no<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2713 Astrofotografen met grote RC's, astrografen of fullframe-fototreinen tot 6 kg<\/li>\n\n\n\n<li>\u2717 Compacte buizen en lichtere treinen: daar volstaat de voordeligere iAFS2<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type<\/strong><\/td><td>Inline automatische focuser, 3 inch<\/td><\/tr><tr><td><strong>Resolution<\/strong><\/td><td>0,6 \u00b5m per stap, nul backlash<\/td><\/tr><tr><td><strong>Carrying capacity<\/strong><\/td><td>6 kg<\/td><\/tr><tr><td><strong>Free opening<\/strong><\/td><td>68 mm<\/td><\/tr><tr><td><strong>Slag<\/strong><\/td><td>30 mm<\/td><\/tr><tr><td><strong>Weight<\/strong><\/td><td>1062 g<\/td><\/tr><tr><td><strong>Connection<\/strong><\/td><td>2x USB-C (USB 2.0), ASCOM en INDI<\/td><\/tr><tr><td><strong>Additional<\/strong><\/td><td>Temperatuursensor, camerahoekversteller, positiegeheugen, iLock<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more mounts and accessories for this merk at the <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/ioptron\/\">iOptron merk page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>iOptron iAFS3 3\" automatische focuser met iLock, 0,6 \u00b5m resolutie, 6 kg draagvermogen, 68 mm vrije opening en dubbele USB-C, inclusief 2\" visual back.<\/p>","protected":false},"featured_media":97130,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[2790],"product_cat":[56,3114,593,500],"product_tag":[],"class_list":["post-33267","product","type-product","status-publish","has-post-thumbnail","product_brand-ioptron","product_cat-telescoop-accessoires","product_cat-electronic-focusers","product_cat-focus-navigatie","product_cat-focusers","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":[33307],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":33266,"url":"https:\/\/www.telescoop.nl\/en\/ioptron-iafs2-2-inch-automatic-focuser\/","url_meta":{"origin":33267,"position":0},"title":"iOptron 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\/ M117 Adapter","author":"","date":"10-11-2025","format":false,"excerpt":"iOptron iAFS3-adapter van aluminium voor montage van de iAFS3 op telescopen met M117x1 schroefdraad, zoals de GSO RC10, RC12, RC14 en RC16.","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\/11\/iOptron-iAFS3-M117-Adapter-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":33310,"url":"https:\/\/www.telescoop.nl\/en\/ioptron-ieaf-electronic-automatic-focuser\/","url_meta":{"origin":33267,"position":4},"title":"iOptron iEAF Electronic Automatic Focuser","author":"","date":"10-11-2025","format":false,"excerpt":"iOptron iEAF elektronische focusmotor met stappenmotor, temperatuursensor, montageplaat, USB-kabels en bevestigingsmateriaal, voor automatische scherpstelling via ASCOM.","rel":"","context":"Similar post","block_context":{"text":"Similar 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