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jieqiaoriyongbaihuoshanghang
Product Details
✓The bottom holder has a threaded hole with an inner diameter of about 4.3mm. 20mm short shaft set for 76N primary mirror.
✓20mm sub-mirror holder set, including sub-mirror + sub-mirror holder, suitable for installing 76mm diameter reflector telescope, the short-axis of the sub-mirror is about 19mm, and the long-axis is about 27mm.
✓UPGRADE YOUR ASTRONOMY EXPERIENCE - Discover our collection of telescope accessories, from high-definition eyepieces to essential maintenance kits, designed to enhance every stargazer's journey.
✓RELIABLE QUALITY BACKED BY OUR WARRANTY - We are committed to your satisfaction. Your purchase includes a hassle-free return policy and responsive customer service, ensuring a confident and secure shopping experience.