{"product_id":"20mm-short-stroke-threaded-astronomical-2-inch-sct-focuser-for-schmidt-cassegrain-telescopes-c8-c9-25-c11-c14eaf","title":"20MM Short Stroke Threaded Astronomical 2-Inch SCT Focuser for Schmidt-Cassegrain Telescopes C8 C9.25 C11 C14EAF","description":"\u003cp\u003e\u003cb\u003eIntroduction:\u003c\/b\u003e\u003cbr\u003e- This product is specially developed for the Schmidt-Cassegrain telescope, a short stroke version, with the aim of occupying as little optical path as possible, adapting to the back intercept of the Schmidt-Cassegrain telescope, and facilitating the installation of various photography accessories. The focuser continues the design of 8 bearings and guide rails; High precision and high stability are the biggest characteristics; In terms of processing, aluminum alloy CNC high standard processing is also used, with anodized surface; Dual speed fine-tuning design, providing 1:10 fine-tuning, with a silky smooth feel.\u003cbr\u003e- In terms of size, the stroke is 20mm, the net height of the body is 40mm, the height of the SCT short adapter ring is 27.5mm, and the large SCT short adapter interface occupies an optical stroke of 24.5mm.\u003cbr\u003e- In terms of weight, the main body weighs about 630g, the SCT short adapter ring weighs about 90g, and the large SCT short adapter ring weighs about 80g.\u003cbr\u003e- At the eyepiece end, the focuser body is M56x1 internal thread, which can be equipped with 2-inch adapter (optional), 2-inch conventional adapter integrated with CAA, or directly converted to M48 or M54 thread or corresponding CAA. M56 to SCT thread installation SCT equipment (such as SCT defocusing lens) is also available.\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e- 1 x Focuser\u003c\/p\u003e","brand":"TeSeek Official","offers":[{"title":"Default Title","offer_id":47711637602540,"sku":"102629","price":223.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/9669\/3740\/files\/1780477056-1.jpg?v=1780725933","url":"https:\/\/teseek.com\/de\/products\/20mm-short-stroke-threaded-astronomical-2-inch-sct-focuser-for-schmidt-cassegrain-telescopes-c8-c9-25-c11-c14eaf","provider":"TeSeek Official","version":"1.0","type":"link"}