Focus Scientific

William Optics 50mm Guiding Scope with RotoLock (gold)

All new, with our unique RotoLock for the rigid attachment of your guide camera's 1.25" nosepiece. High quality, fully multi-coated WO 50mm f/4 Guiding scope that fits perfectly on your William Optics and other telescopes. The main tube diameter is 54mm and the dew shield diameter is 58mm.


  • Guiding scope gives sharpest image and straight through viewing with an inverted image
  • High-quality 50 mm objective
  • Up to a 5.7° field of view
  • White Powder painted with 1.25" anodized RotoLock in gold, red or blue
  • Perfectly suited for William Optics or other refractor
  • Guide Scope Weight: 460g