Svbony SV161 1.25'' double helical focuser with 0.05mm scale for telescope lenses or finder scope.
|Top Male Thread||M42x0.75|
|Bottom Male Thread||M31*0.5|
1. Aerospace Aluminum Alloy Material Precision CNC Machining Technology Frosted and Anodized Housing Anti-skid brass screw
2. 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
3. The double-helical focuser for guider scope/finder scope Interface. The solution for telescopes or telephoto lenses with sluggish focusing
4. SV161 has an M31*0.5 male thread that can be connected with SV150.
5. SV161 has M42x0.75 male thread on its top, it can be connected with camera adapters for Canon or Nikon, which sold separately