New Adjustable Flat6AIl-M92l for FLT91
PRODUCT DESCRIPTION: Field flattener / x0.8 Reducer.
This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics FLT91.
- FMC tripllet APO design.
- Produced entirely with the best Ohara optical glasses.
- Reducing factor 0.8X.
- Adjustable design, for perfect back focus it can be used with other models of refractor
- 48mm filter ready
William Optics polished anodized finish.
All internal surfaces threaded and blackened to prevent reflections.
Easy to Use
Will accept any standard 48mm T-ring for your camera.
Suitable for FLT91:
FLT91 + Flat6aIII + CCD (55mm CCD setup)
When you use a flattener the extension tube should be removed.
Flat6aIII settings - 5.4mm.