The William Optics Revolutionary Adjustable x0.72 Reducer Flattener was made for f/6 to f/7.8 ratio refractors.
This high-quality flattener has been engineered and CNC machined for usage with their GT153, FLT 132, 102GTS, and other APO refractors.
• ED Triplet APO Designed to cover full size DSLR cameras with a 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
• 45 mm for a fully 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 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-inch focuser and our custom made by Feather Touch focuser) with focuser M92x1.0 thread.