{"id":112873,"date":"2026-10-09T16:52:40","date_gmt":"2026-10-09T14:52:40","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=112873"},"modified":"2026-10-09T20:31:46","modified_gmt":"2026-10-09T18:31:46","slug":"adjustment-screws-for-the-viewfinder-of-a-11-inch-sct-f-10-standard-thread-bobs-knobs","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-de-vangspiegel-van-een-11-inch-sct-f-10-standaard-draad-bobs-knobs\/","title":{"rendered":"Adjusting screws for the viewfinder of an 11 inch SCT f\/10, standard thread | Bob\u2019s Knobs"},"content":{"rendered":"<p class=\"wp-block-paragraph\">An 11-inch Schmidt-Cassegrain telescope allows you to easily check the collimation when zooming in. Adjusting it with a screwdriver just before the large corrector plate feels uncomfortable. With these adjustment screws for an 11-inch SCT f\/10 telescope from Bob\u2019s Knobs, you replace the collimation screws with screws with a large knob, so you can adjust with your fingers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This set has standard thread. If you use a <a href=\"https:\/\/www.telescoop.nl\/en\/celestron-c11-sc-279-2800-advanced-vx-goto\/\">Celestron C11 on AVX mounting<\/a> or another 11 inch SCT, then check beforehand which thread your telescope has.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Replace the screws one by one so that the mirror stays in place, and then collimate on a defocused star at high magnification. How to do that, you can read in our <a href=\"https:\/\/www.telescoop.nl\/en\/adjust-telescope\/\">explanation on adjusting the telescope<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With metric wire there is a <a href=\"https:\/\/www.telescoop.nl\/en\/bobs-knobs-adjustment-screws-for-celestron-sct-11-f-10-metric\/\">11 inch set with metric thread<\/a>, and for a 11 inch with Fastar one <a href=\"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-11-inch-sct-f10-met-fastar-metrische-draad-bobs-knobs\/\">Separate Fastar version<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Bob\u2019s Knobs with standard wire for the viewfinder of an 11 inch Schmidt-Cassegrain f\/10. Collimating without a screwdriver.<\/p>","protected":false},"featured_media":112872,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[1559],"product_cat":[56,3091],"product_tag":[],"class_list":["post-112873","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":30398,"url":"https:\/\/www.telescoop.nl\/en\/bobs-knobs-afstelschroeven-voor-celestron-sct-11-f-10-metric\/","url_meta":{"origin":112873,"position":0},"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, 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SCT","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-8-post-1980-Standard-.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-8-post-1980-Standard-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-8-post-1980-Standard-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-8-post-1980-Standard-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-8-post-1980-Standard-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/10\/Bobs-Knobs-SCT-8-post-1980-Standard-.jpg?resize=1400%2C800&ssl=1 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f\/10 with metric thread.","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\/58051_1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58051_1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58051_1.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":112869,"url":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-925-inch-sct-f-10-vangspiegel-metrisch-roestvrij-staal-bobs-knobs\/","url_meta":{"origin":112873,"position":4},"title":"Adjusting screws for 9.25 inch SCT f\/10 viewfinder, metric, stainless steel | Bob\u2019s Knobs","author":"Info telescoop","date":"09-10-2026","format":false,"excerpt":"Stainless steel adjusting knobs for the viewfinder of a 9.25 inch SCT f\/10 with metric thread, by Bob's Knobs.","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\/58052_1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58052_1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58052_1.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":112875,"url":"https:\/\/www.telescoop.nl\/en\/afstelschroeven-voor-11-inch-sct-f-10-met-fastar-metrische-draad-bobs-knobs\/","url_meta":{"origin":112873,"position":5},"title":"Adjusting screws for 11 inch SCT f\/10 with Fastar, metric thread | Bob\u2019s Knobs","author":"Info telescoop","date":"09-10-2026","format":false,"excerpt":"Metric Bob's Knobs for the viewfinder of an 11 inch SCT f\/10 with Fastar. Faster re-collimating after removing the viewfinder.","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\/58058_1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58058_1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/10\/58058_1.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/112873","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=112873"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/112872"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=112873"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=112873"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=112873"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=112873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}