William Optics 0.72x focal reducer/field flattener P-FLAT8

Revolutionary new WO x0.72 Adjustable Reducer/Flattener made for f/6 - f/7.8 refractors.

This high-quality flattener has been engineered and CNC machined for usage with William Optics' GT153, FLT 132, 102GTS, and other APO refractors. This accessory is a must-have for refractor astrophotography.

Lens

• ED Triplet APO Designed to cover full size DSLR cameras with clear lens aperture of 50mm
• STM coated with an excellent doublet air spaced design
• Produced entirely with the best Ohara optical glasses.
• Flattener Power: x0.72
• 45mm for full illuminated imaging circle

Amazing

• It will flatten the field amazingly well for round stars
• This unique flattener works with WO or other f/6 - f/7.8 refractors (please see item diagram above for connection specifications to adapt to other non-WO telescopes)

Superb Finish

• Superb William Optics anodized finish.
• All internal surfaces threaded and blackened for no reflections.
• Protective covers are included on both sides.

Easy to Use

• Will accept any wide T-ring for your camera (Thread size M48x0.75; not for use with smaller M42 T thread adapters with M42x0.75 threads).
• Suitable for GT102, FLT 132, 102GTS (with minimum 3” focuser and our custom made by Feather Touch focuser) with focuser M92x1.0 thread.

Adjustment Distance

• 102GTS: 12.1mm
• FLT132: 8.4mm
• GT153: 5.4mm