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William Optics Flattener 68III

William Optics Flattener 68III
Price:  £579.00
List Price:  £599.00
(Inc. 20% VAT)

Product Code:  WO-P-FLAT68III
Brand:  William Optics



In stock, Shipped in 1-2 working days

Sky-Watcher M48x0.75 AdaptorsSky-Watcher M48x0.75 Adaptors

William Optics

This high-quality flattener has been engineered and CNC machined for usage with our FLT 132, 102GTS and other APO refractors.

This accessory is a must-have for refractor astrophotography.


  • Designed to cover full size DSLR cameras with clear lens aperture of 50 mm
  • STM coated with an excellent doublet air spaced design.
  • Produced entirely with the best Ohara optical glasses.
  • Flattener Power: 1x (no reduction).
  • 45mm for full illuminated imaging circle.


  • It will flatten the field amazingly well and finally make you see those stars round!
  • This unique flattener works with WO or other 6-7.5 F ratio refractors.

Superb Finish

  • Superb William Optics anodized finish.
  • All internal surfaces threaded and blackened for no reflections.
  • Protecting covers are included on both sides.

Easy to Use 

  • Will accept any standard T-ring for your camera (thread size M48x0.75).
  • Suitable for FLT 132, 102GTS (with 3" focuser) and many others refractors with focuser M92x1.0 thread.

Adjust Distance

102GTS 13.6mm
FLT132 7.7mm

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