William Optics FLAT 8 0.72x Reducer

The William Optics FLAT 8 is a premium 0.72x reducer/flattener for compatible William Optics refractors. It is designed to significantly reduce focal length, speed up the optical system, and help deliver a corrected imaging field for deep-sky astrophotography.

Who Is This Product Best For?

Best for astrophotographers using compatible William Optics refractors who want a wider field of view and faster imaging speed than a standard 0.8x reducer.

Why Choose This Product?

• 0.72x reduction: Creates a wider, faster imaging system.
• Field correction: Helps improve star shape across the frame.
• Imaging-focused design: Built for deep-sky camera systems.

Recommended Uses

• Wide-field deep-sky astrophotography
• Large nebula imaging
• Compatible full-frame imaging systems

Compatibility and Accessory Notes

Confirm telescope compatibility, required adapter, camera thread, and backfocus spacing before imaging.

Important Limitations

This is an imaging accessory and requires precise spacing for best star correction.

Our Recommendation

Choose the FLAT 8 when your compatible William Optics refractor needs aggressive 0.72x focal reduction for wider and faster deep-sky imaging.