{"id":32661,"date":"2025-11-06T15:30:52","date_gmt":"2025-11-06T14:30:52","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=32661"},"modified":"2026-08-25T15:10:59","modified_gmt":"2026-08-25T13:10:59","slug":"ioptron-m74-m68-adapter","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/ioptron-m74-m68-adapter\/","title":{"rendered":"iOptron M74 \/ M68 Adapter"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>iOptron M74 \/ M68 Adapter: wire adapter from M74 to M68<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This aluminum adapter provides the iAFS3 focus system with an M68x1 connection on the camera side. This allows you to connect large correctors, rotators, and camera adapters with M68 thread directly, without intermediate parts that introduce misalignment or light loss.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The wide M68 standard also keeps the full free aperture of the iAFS3 available: no vignetting on full-frame sensors.<\/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-M74-M68-Adapter-1.jpg\" alt=\"iOptron M74 \/ M68 Adapter\" 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-M74-M68-Adapter-2.jpg\" alt=\"iOptron M74 \/ M68 Adapter\" 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-M74-M68-Adapter-2.jpg\" alt=\"iOptron M74 \/ M68 Adapter\" 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>Stiff in the chain<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Any transition in the photo train is a potential weak point. This milled aluminum adapter screws flat and without play, ensuring the chain remains rigid from telescope to sensor.<\/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>M74\/M68 adapter<\/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\">Not yet a focal point? The iAFS3 is the corresponding focusing system.<\/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 iAFS3 users with M68 accessories in the photo train<\/li>\n\n\n\n<li>\u2717 iAFS2 users: then choose the M56\/M48 adapter<\/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>Telescope silk<\/strong><\/td><td>M74x0,75<\/td><\/tr><tr><td><strong>Camera side<\/strong><\/td><td>M68x1<\/td><\/tr><tr><td><strong>Material<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>For<\/strong><\/td><td>iOptron iAFS3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more mounts and accessories for this brand at the <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/ioptron\/\">iOptron brand page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>iOptron M74\/M68 aluminum adapter: from M74x0.75 (telescope side) to M68x1 (camera side), for the iAFS3 focusing system.<\/p>","protected":false},"featured_media":96758,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[2790],"product_cat":[56,499],"product_tag":[],"class_list":["post-32661","product","type-product","status-publish","has-post-thumbnail","product_brand-ioptron","product_cat-telescoop-accessoires","product_cat-adapters","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":[33267],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":32660,"url":"https:\/\/www.telescoop.nl\/en\/ioptron-m56-m48-adapter\/","url_meta":{"origin":32661,"position":0},"title":"iOptron M56 \/ M48 Adapter","author":"","date":"06-11-2025","format":false,"excerpt":"iOptron M56\/M48 adapter made of aluminum: from M56x0.75 (telescope side) to M48x0.75 (camera side), for the iAFS2 focusing system.","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-M56-M48-Adapter-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":26282,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-field-flattener-2-inch\/","url_meta":{"origin":32661,"position":1},"title":"Omegon Pro Field Flattener 2 inch","author":"","date":"25-08-2025","format":false,"excerpt":"Pro field flattener for refractors from f\/5 to f\/9 with 500 to 1000 mm focal length. M68 telescope side, M48 adapter included.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Pro Field Flattener 2 inch","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-Field-Flattener-2-5-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-Field-Flattener-2-5-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-Field-Flattener-2-5-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-Field-Flattener-2-5-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-Field-Flattener-2-5-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-Field-Flattener-2-5-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":30656,"url":"https:\/\/www.telescoop.nl\/en\/bresser-verlengstuk-25-mm-2-5-inch-hexafoc-m68\/","url_meta":{"origin":32661,"position":2},"title":"Bresser Extension 25 mm 2.5\u2033 Hexafoc M68","author":"","date":"08-10-2025","format":false,"excerpt":"Bresser 25 mm extension tube with M68 thread on both sides, for the 2.5-inch Hexafoc focuser. Rigid aluminum, can also be used as a backfocus ring.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Bresser Verlengstuk 25 mm 2.5\" Hexafoc M68","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Verlengstuk-25mm-2-5-Hexafoc.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Verlengstuk-25mm-2-5-Hexafoc.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Verlengstuk-25mm-2-5-Hexafoc.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Verlengstuk-25mm-2-5-Hexafoc.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Verlengstuk-25mm-2-5-Hexafoc.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bresser-Verlengstuk-25mm-2-5-Hexafoc.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":32457,"url":"https:\/\/www.telescoop.nl\/en\/bresser-verlengstuk-hexafoc-37-5mm-2-5-inch\/","url_meta":{"origin":32661,"position":3},"title":"Bresser extension Hexafoc 37.5mm 2.5 inch","author":"","date":"02-11-2025","format":false,"excerpt":"Bresser extension tube 37.5 mm with M68 threaded connection for the 2.5 inch Hexafoc focus lens. Rigid aluminum for visual use and astrophotography.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":15265,"url":"https:\/\/www.telescoop.nl\/en\/zwo-kantelflens-m68\/","url_meta":{"origin":32661,"position":4},"title":"ZWO Tilt Lens M68","author":"","date":"05-07-2025","format":false,"excerpt":"Tilting flange with M68 connection: corrects angular misalignment between the sensor and the optical plane via three adjusting screws, for sharp stars into the corners.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO Tilt Adapter M68","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Kantelflens-M68.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Kantelflens-M68.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Kantelflens-M68.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Kantelflens-M68.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Kantelflens-M68.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Kantelflens-M68.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":33308,"url":"https:\/\/www.telescoop.nl\/en\/ioptron-iafs3-m106-adapter\/","url_meta":{"origin":32661,"position":5},"title":"iOptron iAFS3 \/ M106 Adapter","author":"","date":"10-11-2025","format":false,"excerpt":"iOptron iAFS3 aluminum adapter for mounting the iAFS3 on telescopes with an M106x1 thread, such as the Askar 103 and 120 APO.","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-M106-Adapter-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/32661","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=32661"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/96758"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=32661"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=32661"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=32661"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=32661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}