Zerodis Telescope Helical Focuser Reflectors 1.25inches Inner T Interface High Precision 10mm Focusing Stroke Double Helical Focuser for Astronomical Telescope

Spec: Item type: Double Helical Focuser Material: aluminium alloy Weight: Approx. 120g Color: As picture shown Focusing Stroke: Approx. 10mm/0.4in Accuracy of focusing: Approx. 0.05mm Interface: 1.25inches, inner M42*0.75mm thread 1.25'' helical focuser, 10mm focusing stroke, lightweight. In the process of focusing, the inserted eyepiece etc. keeps no rotation and only makes linear motion, which is conducive to observation​. Package List: 1 x Helical Focuser

• [Superior Aluminium Alloy Material] Made of quality aluminium alloy material, ensuring high strength and durability, making it sturdy.
• [Lightweight and Compact] Compact size and lightweight design make it easy to carry and use, ideal for on-the-go astronomy enthusiasts.
• [High Precision Focusing] Features a double helical focuser for precise adjustments, suitable for guider scope or finder scope interface to enhance your stargazing experience.
• [Solve Focusing Issues] Eliminate sluggish focusing on telescopes or telephoto lenses with the 10mm focusing stroke, ensuring clear images every time.
• [Versatile Accessory] A wonderful addition to your astronomical telescope setup, improving your observation and photography capabilities with ease.