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William Optics 0.8x Flattener/Reducer for Fluorostar 91 (P-FLAT6AIII-M92)

SKU WO-P-FLAT6AIII-M92
Original price $0
Original price $422.00 - Original price $422.00
Original price
Current price $422.00
$422.00 - $422.00
Current price $422.00
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Description

William Optics 0.8x Flattener/Reducer Flat6AIII Special Edition For Fluorostar 91

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 sens
Image Circle:
  • GT71 - 44.4 mm
  • GT81 - 44.4 mm
  • Z103 - 43.1 mm
  • Z81 - 44.3 mm

Technical Specifications

In the Box

Warranty & Manuals

Customer Reviews

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Artur Fernandes

I liked it very much, makes fine adjustment of back focus a breeze.