1.25 Helical Focuser,Helical Focuser Reflecting Telescopes,Aluminium Alloy 1.25inches Inner T Interface Double Helical Focuser High Precision 10mm Focusing Stroke for Astronomical Telescope

About this item Lightweight and compact size, easy to carry and use. High precision double helical focuser for guider scope/finder scope Interface. The solution for telescopes or telephoto lenses with sluggish focusing. The solution for telescopes or telephoto lenses with sluggish focusing. Made of quality aluminium alloy material, high strength, resistant, sturdy and .