William Optics Field Flattener FLAT 68 III
William Optics heeft de Flat 68 field flattener aangepast aan de moderne wensen van de astrofotograaf. De nieuwe verstelbare FLAT 68III is nog beter geworden en kan op alle telescopen gebruikt worden met f ratio tussen de 6 en 7.5. Deze William Optics Field Flattener FLAT 68 III is toepasbaar op de FLT132, GT102 en GT153 van William Optics.
This revolutionary new WO FF68II Adjustable Flattener was made for 6 -7.5 F ratio refractors.
The high-quality flattener has been engineered and CNC machined for usage with our FLT 132, 102GTS and other APO refractors.
This accessory is a must-have for refractor astrophotography.
• 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.
• 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 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 GT153, FLT132, 102GTS (with 3” focuser) and many others refractors with focuser M92x1.0 thread.