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.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
What's in the box
1 x Astronomical Telescope Helical Focuser
