Crayford Focuser 10:1 230mm will improve the focus on most Newtonian telescopes. Easy to install (can be directly swapped on most Bintel/Guan Sheng and Lightbridge telescopes).10:1 reduction gives ultra precise control for focusing at even the highest practical magnifications.
Makes webcam/planetary imaging less frustrating.
Base plate is machined to suit 8″ (230mm) diameter telescopes.
Includes 2″ – 1.25″ Adapter
NOTE: Does not fit Skywatcher , Saxon or Synta Scopes (wrong base pattern)