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||23/16-24TPI and 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 fortelescopes or telephoto lenses with sluggish focusing
4. SV161 has a M31*0.5 male thread that can be connected with SV150 https://www.svbony.com/Svbony-Double-Helical-Focuser-adapter/#W9113A , which sold seperately
5. SV161 has M42x0.75 male thread on its top, it can be connected with camera adapters for Canon or Nikon, which sold seperately