Aluminum alloy high precision helical focuser 10mm focusing stroke 1.25 inch fine adjustment 0.05mm

[Portable Design] Lightweight and compact, this focuser is easy to carry and store, making it ideal for use on the go. [Stable Performance] Professionally manufactured for stable characteristics and high reliability. [Precise Focusing] 0.05mm focusing accuracy and a 10mm stroke length ensure high precision. [Enhanced Features] 1.25-inch helical fine adjustment ensures smooth and precise adjustment of your telescope. [Premium Material] The Yz-18839 features aluminum alloy construction, providing durability and a superior feel.