{"id":112875,"date":"2026-10-09T16:52:40","date_gmt":"2026-10-09T14:52:40","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=112875"},"modified":"2026-10-09T20:31:47","modified_gmt":"2026-10-09T18:31:47","slug":"adjustment-screws-for-11-inch-sct-f-10-with-fastar-metric-thread-bobs-knobs","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-11-inch-sct-f-10-met-fastar-metrische-draad-bobs-knobs\/","title":{"rendered":"Adjusting screws for 11 inch SCT f\/10 with Fastar, metric thread | Bob\u2019s Knobs"},"content":{"rendered":"

If you are photographing with a camera in the primary focal point, you will regularly have to remove the secondary mirror from your Schmidt-Cassegrain telescope. After that, you often have to re-collimate. With Bob\u2019s Knobs for the 11 inch with Fastar, this is faster because you are turning the large buttons with your fingers instead of using a screwdriver.<\/p>\n\n\n\n

The set is intended for an 11-inch Schmidt-Cassegrain f\/10 with Fastar and metric threaded mount. Check beforehand whether your telescope is compatible with Fastar and what thread it has. If you want to learn more about photographing with a telescope first, check out our astrophotography course<\/a>.<\/p>\n\n\n\n

Replace the screws one by one so that the mirror does not detach, and always turn a little at the time of adjustment. If you transport the tube often, a protective sleeve will protect the tube from damage. Upholstered transport bag for the C11<\/a> him on the way.<\/p>\n\n\n\n

If your C11 does not have a Fastar, then check the 11 inch set with metric thread<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

Metric Bob\u2019s Knobs for the viewfinder of an 11 inch SCT f\/10 with Fastar. Faster re-collimating after removing the viewfinder.<\/p>","protected":false},"featured_media":112874,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[1559],"product_cat":[56,3091],"product_tag":[],"class_list":["post-112875","product","type-product","status-publish","has-post-thumbnail","product_brand-bobs-knobs","product_cat-telescoop-accessoires","product_cat-telescoop-onderdelen","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":112863,"url":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-de-vangspiegel-van-een-5-inch-sct-f-10-metrische-draad-bobs-knobs\/","url_meta":{"origin":112875,"position":0},"title":"Adjusting screws for the viewfinder of a 5 inch SCT f\/10, metric thread | Bob\u2019s Knobs","author":"Info telescoop","date":"09-10-2026","format":false,"excerpt":"Bob's Knobs with metric thread for the viewfinder of a 5 inch Schmidt-Cassegrain f\/10 telescope. 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Collimation without a screwdriver.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58054_1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58054_1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58054_1.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":30398,"url":"https:\/\/www.telescoop.nl\/en\/bobs-knobs-afstelschroeven-voor-celestron-sct-11-f-10-metric\/","url_meta":{"origin":112875,"position":2},"title":"Bob's Knobs Adjusting Screws for Celestron SCT 11\u2033 f\/10 Metric","author":"","date":"08-10-2025","format":false,"excerpt":"Bob's Knobs for the Celestron 11-inch f\/10 SCT Metric: stainless steel thumb screws for secure, tool-free secondary mirror collimation.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Bob\u2019s Knobs Afstelschroeven voor Celestron SCT 11\" f\/10 Metric","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-11-f-10-metric.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-11-f-10-metric.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-11-f-10-metric.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-11-f-10-metric.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-11-f-10-metric.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-11-f-10-metric.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":112853,"url":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-de-vangspiegel-van-de-celestron-c6-f-10-metrische-draad-bobs-knobs\/","url_meta":{"origin":112875,"position":3},"title":"Adjusting screws for the viewfinder of the Celestron C6 f\/10, metric thread | Bob\u2019s Knobs","author":"Info telescoop","date":"09-10-2026","format":false,"excerpt":"Metric adjustment knobs from Bob's Knobs for the secondary mirror of the Celestron C6 f\/10, for collimation without a screwdriver.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/55083_1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/55083_1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/55083_1.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":112877,"url":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-14-inch-sct-f-11-vangspiegel-uitvoering-set-screw-bobs-knobs\/","url_meta":{"origin":112875,"position":4},"title":"Adjusting screws for 14 inch SCT f\/11 viewfinder mirror, set screw version | Bob\u2019s Knobs","author":"Info telescoop","date":"09-10-2026","format":false,"excerpt":"Bob's Knobs in the set screw version for the secondary mirror of a 14 inch SCT f\/11. 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