High Precision double helical focuser for guider scope;finder scope Interface;The solution for telescopes or telephoto lenses with sluggish focusing;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
Interface;1.25 inch with M42*0.75 male thread, primary Mirror Interfaces: M31X1/M42X0.75
Upgrade your R&P focuser by adding it to the end of the R&P focuser by using M42X0.75 Female to M42X0.75 Female Thread Telescope Adapter 10mm". Note: please make sure that there is M42X0.75 male thread on your R&P focuser
Item was made by Full metal;durable;the one side of double helical focuser is M31X1 male thread (including a M31X1 female thread to M42*0.75 male thread Adapter which you can change M31X1 male thread or M42X0.75 male thread on this side), there are 1.25" accessory collar with male T-thread flange (M42x0.75) and Accesory collar thumbscrews on the other side that you can install Star Shoot Auto Guider or 1.25" eyepiece