If you want to mount a guidescope parallel to your telescope for guiding in astrophotography, guide scope rings are the simplest solution. The guide scope rings are simply attached to the viewfinder shoe ofthe main instrument using their prism rail.
Thanks to the special suspension, you can easily find guide stars. The mounting screws are fitted with plastic tips to prevent your guide scope from being scratched.
Suitable for Vixen/Skywatcher finder mounts. Includes two adjustable guide scope rings with an inner diameterof 60 mm and large knurled screws.
Can be used with guidescope tube diameters between 40 and 58 mm.
Knurled screws: M6x15mm
Mounting screws: 1/4" photo thread screws with hexagon socket (please note: an imperial hexagon key is required for tightening!)
Both rings: four M6 and one 1/4" threaded holes each, plus one 6.5mm hole without thread
Ring length 14 mm, ring thickness 4.5 mm
The online instruction manual is available here