William Optics 0.8x Reducer / Adjustable Field Flattener 6AIII for FLT91 Telescope
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All New Adjustable Flat6AIII with M92 thread adapter for use with the new WO FLT91 telescope (M48-threaded T-mount not included). This is the same item as the P-FLAT6AIII reducer/flattener sold for other WO telescopes with the addition of an M92-M63 adapter to adapt the Flat6AIII to the M92 threads on the rear of the FLT91.
This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors, including the new FLT91 telescope. WO Flat 6AIII will provide good illumination and flat field across 97% of full frame sized sensors.
Full frame size
- Designed with nearly Full frame chip-size DSLR cameras in mind.
- FMC triplet APO design.
- Produced entirely with the best Ohara optical glasses.
Amazing
- Reducing factor 0.8X.
- Adjustable design, for perfect back focus it can be used with other models of refractor
- 48mm filter ready
Superb Finish
- William Optics polished anodized finish.
- All internal surfaces threaded and blackened to prevent reflections.
Easy to Use
- Will accept any standard 48mm wide T-ring for your camera (not included). Not compatible with smaller 42mm T rings.
Suitable for
- New FLT91 scope (with included M92 adapter)
- GT71, GT81, Z81, Z103 WO scopes (without using the included M92 adapter)
Adjustment Setting
- FLT91: 5.4mm plus a standard back focus requirement of 55mm from base of M48 thread to sensor
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
All New Adjustable Flat6AIII with M92 thread adapter for use with the new WO FLT91 telescope (M48-threaded T-mount not included). This is the same item as the P-FLAT6AIII reducer/flattener sold for other WO telescopes with the addition of an M92-M63 adapter to adapt the Flat6AIII to the M92 threads on the rear of the FLT91.
This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 to F7.5 ratio refactors, including the new FLT91 telescope. WO Flat 6AIII will provide good illumination and flat field across 97% of full frame sized sensors.
Full frame size
- Designed with nearly Full frame chip-size DSLR cameras in mind.
- FMC triplet APO design.
- Produced entirely with the best Ohara optical glasses.
Amazing
- Reducing factor 0.8X.
- Adjustable design, for perfect back focus it can be used with other models of refractor
- 48mm filter ready
Superb Finish
- William Optics polished anodized finish.
- All internal surfaces threaded and blackened to prevent reflections.
Easy to Use
- Will accept any standard 48mm wide T-ring for your camera (not included). Not compatible with smaller 42mm T rings.
Suitable for
- New FLT91 scope (with included M92 adapter)
- GT71, GT81, Z81, Z103 WO scopes (without using the included M92 adapter)
Adjustment Setting
- FLT91: 5.4mm plus a standard back focus requirement of 55mm from base of M48 thread to sensor
| Product Banner Type | new |
|---|---|
| Free Shipping Graphic | Free US Shipping |
| Hide Found a better Shipped Price on Frontend? | No |
William Optics 0.8x Reducer / Adjustable Field Flattener 6AIII for FLT91 Telescope # P-FLAT6AIII-M92