New Adjustable Flat6Alll (T-mount not included)

This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors. WO Flat6A lll will provide good illumination and flat field across 97% of full frame sized sensors.

Full frame size

• Designed with nearly Full frame chip-size DSLR cameras in mind
• Fully Multilayer Coated (FMC) triplet APO design
• Produced entirely with the best Ohara optical glasses

Amazing

• Reducing factor 0.8X.
• Adjustable design, for perfect back focus it can be used with other models of refractor
• 48mm filter ready

Superb Finish

• William Optics polished anodized finish
• All internal surfaces threaded and blackened to prevent reflections

Easy to Use

• Will accept any standard 48mm T-ring for your camera

Suitable for

• GT71, GT81, Z103, Z126

Optional

• 2" Adapter
• Canon 48mm T-Ring
• Nikon 48mm T-Ring

Backfocus Adjustment Recommendation