William Optics

All New WO x0.72 Reducer Flattener 8

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Product Overview

This revolutionary new WO x0.72 Reducer flattener it’s Adjustable was made for 6 -7.8 F ratio refractors.

This high-quality flattener has been engineered and CNC machined for usage with our GT153 ,FLT 132, 102GTS and other APO refractors.

This accessory is a must-have for refractor astrophotography.


• ED Triplet APO 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: x0.72

• 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 6-7.8 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 GT102,FLT 132, 102GTS (with minimum 3” focuser and our custom made by Feather Touch focuser) with focuser M92x1.0 thread.

Adjust Distance





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