William Optics FLAT68III Flattener
New William Optics Adjustable Flattener 68III
Optimised for William Optics refractors and designed to cover full frame sensors with a 44.4mm fully illuminated imaging circle.
STM coated with a triplet apochromatic air spaced design.
Produced entirely with the best Ohara optical glasses.
Flattener Power: 1x (no reduction).
44.4mm for full illuminated imaging circle.
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 FLT91, FLT120, FLT132, FLT156, GT102, GT153 & Z126 which employ a M92x1.0 thread.
Flattener Adjustment Distances
FLT 156 2.6 mm
FLT 132 7.7 mm
GT 153 2.8 mm
GT 102 13.6 mm
Z 126 3 mm
William Optics FLAT68III Flattener - Authorised Australian Distributor