William Optics Adjustable Flattener for FLT132, GT102, GT153
 William Optics Adjustable Flattener for FLT132, GT102, GT153William Optics Adjustable Flattener for FLT132, GT102, GT153 

William Optics Adjustable Flattener for FLT132, GT102, GT153

£579.00✓ 2 year warranty


Usually shipped 10-15 working days.
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About this product

Model:  wo-flat68III
Part Number:  P-FLAT68III

New William Optics Flattener 68III

This revolutionary new WO FF68III Adjustable Flattener was made for 6 -7.5 F ratio refractors and 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.

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 other refractors with focuser M92x1.0 threads.

Flattener Adjustment Distances

102 GTS 13.6mm
FLT 132 7.7mm
Z126 3.0mm


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