Feature:
1. Made of quality aluminium alloy material, high strength, corrosion resistant, sturdy and durable.
2. Lightweight and compact size, easy to carry and use.
3. High precision double helical focuser for guider scope/finder scope Interface.
4. The solution for telescopes or telephoto lenses with sluggish focusing.
5. Wonderful accessory for astronomical telescope.
Specification:
Item type:
Double Helical Focuser
Condition: 100% brand new
Material: aluminium alloy
Weight: Approx. 129g
Color: As picture shown
Focusing Stroke: Approx. 10mm/0.4in
Accuracy of focusing: Approx. 0.05mm
Interface: 1.25inches, SCT external thread
Package List:
1 x Astronomical Telescope Helical Focuser