William Optics 50mm Guidescope with 1.25'' RotoLock

William Optics 50mm Guidescope with 1.25" RotoLock

  (1 Review)
✓ 2 year warranty


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About this product

Model:  wo_50mm_guidescope_gold
Part Number:  M-G50WGII

New William Optics 50mm f/4 Guide Scope.

Features a unique 1.25" RotoLock adapter, perfect for securely attaching guide cameras and other 1.25" accessories.

Suitable for 1.25" nosepiece type guide cameras e.g. ASI120 Mini, ASI290 Mini, ASI174 Mini, Lodestars etc.. Other camera may not be able to focus.

Can be used with the William Optics Finder / Guidescope bracket.


  • High quality, 50mm fully multi coated objective
  • f/4 Focal Ratio / 200mm Focal Length
  • 5.7º Field of View
  • Superb William Optics fit and finish
  • 54mm Tube Diameter, 58mm Dew Shield Diameter
  • Weighs only 460g!

Telescope Field of View Simulator


Customer reviews

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Great Value for Money
Thursday, 19 March 2020  | 

This is the ideal guide scope for my GT71, quick setup and the RotoLock makes focus really simple.


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