Main Feature:
Aerospace Aluminum Alloy Material Precision CNC Machining Technology Frosted and Anodized Housing Anti-skid brass screw. The Focuser has a fixed orientation - so there is no rotation of mounted cameras or eyepieces - or also the field of view with your guide star - when focusing. The double helical focuser for guider scope / finder scope Interface. The solution for telescopes or telephoto lenses with sluggish focusing.
Specifications:
1.Brand: SVBONY
2.Model: SV161
3.Inner diameter: 1.25"
4.Stroke: 10mm
5.Adjustment Accuracy: 0.05mm
6.Top Interface: 2"
7.Bottom Male Thread: M42*0.75
8.Minimum Height: 44mm
9.Longest Height: 54mm
10.Height of Ring Adapter: 30mm
11.Net Weight: 119g / 4.19oz
Package Includes:
1x 1.25" Double Helical Focuser
1x Female M31 to 2inchRing Adapter
3x M3 Screw