1.25 Inch T Interface Double Helical Focuser For Telescope With 10mm Aluminum Alloy Focusing Stroke Ultra High Precision Guiding And Finder Scope Accessory Lightweight And Compact Design Durable Astronomical Imaging Focuser Upgrade

1.25 Inch Double Helical Focuser for Telescope, 31.75 mm Interface
✔️ 10 mm stroke (0.39 in), 120 g, 1x focuser

The 1.25 inch T interface double helix focuser is a compact, lightweight accessory designed for guiding or finder scopes on telescopes. Built from aluminium alloy, it ensures rigid alignment, smooth linear motion, and a precise 10 mm focusing stroke.

✅ Item type: Double Helical Focuser
✅ Material: aluminium alloy
✅ Weight: approx. 120 g
✅ Interface: 1.25 inches, inner M42x0.75 thread
✅ Focusing stroke: approx. 10 mm
✅ Accuracy: approx. 0.05 mm
✅ Color: default

💡 What is a 1.25 inch double helix focuser typically used for in telescope setups?

This handy accessory helps you achieve precise focus for guider and finder scopes with minimal eyepiece rotation. - precise micro-adjustment for guiding and finder scopes - smooth linear motion during focusing - compatible with 1.25 inch interfaces and M42 threads - lightweight aluminium design ✝️