William Optics 2" Adjustable Field Flattener 68II # P-FLAT68II

This revolutionary new WO FF68II Adjustable Flattener was made for 6 -7.5 F ratio refractors.

This high-quality flattener has been engineered and CNC machined for usage with our FLT 98, 110, 132, GT102 and other APO refractors.

This accessory is a must-have for refractor astrophotography.

Lens

• Designed to cover full size DSLR cameras with 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: 1x (no reduction).
• 45mm for full illuminated imaging circle.

Amazing

• It will flatten the field amazingly well and finally make you see those stars round! 
• This unique flattener works with WO or other 6-7.5 F ratio refractors.

Superb Finish

• 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 FLT98, FLT110, FLT132, GT102 (with 3" focuser) and many others refractors with focuser M92x1.0 thread.