SVBONY SV108 1.25" Double Helical Focuser High Precision for Telescope / Finder & Guidescope w/ Brass Compression Ring

Features 1 SVBONY Brand New Double Helical Focuser2 High Precision double helical focuser for guider scope finder scope Interface3 The solution for telescopes or telephoto lenses with sluggish focusing4 Item was made by Full metal durable5 Accuracy 0 1mm6 Interface 1 25 inch w M42 0 75 male thread7 Primary Mirror Interfaces M42X0 758 Focusing stroke 10mm9 Minimum length 56mm10 Longest length 66mm11 Net Weight 102g 3 9ozPackage Includes 1 x SVBNOY 1 25 High Precision Double Helical FocuserDetails Pictures