William Optics FLAT 68III field flattener for full-frame astrophotography
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William Optics FLAT 68III field flattener for full-frame astrophotography

William Optics FLAT 68III Field Flattener

William OpticsSKU: P-FLAT68III
Price:
$1,087.00 CAD
Stock:
On Backorder — ships when available
  • Description
  • Specifications

The William Optics FLAT 68III is a premium 1.0x field flattener for compatible William Optics refractors and full-frame astrophotography systems. It is designed to correct field curvature and improve star shape across large camera sensors without reducing focal length.

Who Is This Product Best For?

Best for astrophotographers using compatible William Optics refractors who want full-frame field correction while keeping the telescope’s native focal length.

Why Choose This Product?

  • 1.0x correction: Maintains native focal length.
  • Full-frame imaging support: Designed for larger camera sensors.
  • Field flattening: Helps improve edge-to-edge star quality.

Recommended Uses

  • Full-frame deep-sky astrophotography
  • Compatible William Optics refractor imaging
  • Improving corner star shape

Compatibility and Accessory Notes

Confirm your telescope model, adapter requirements, camera thread, and backfocus spacing before imaging.

Important Limitations

This is an imaging accessory and correct spacing is required for best results.

Our Recommendation

Choose the FLAT 68III when you need premium full-frame field correction without focal reduction.

Product TypeField flattener
Reduction Factor1.0x
Primary UseFull-frame astrophotography field correction
CompatibilityCompatible William Optics refractors
Important NoteCorrect backfocus spacing is required for best results

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