William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91
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William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91
William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91

William Optics Adjustable Flat6A III 0.8x Reducer / Flattener for FLT91

£209.00✓ 2 year warranty

:  

2x in stock shipped 1-2 working days

About this product

Model:  wo_p-flat_6aiii_flt91
Part Number:  P-FLAT6AIII-M92

Special Edition FLAT6AIII Adjustable Reducer / Flattener for William Optics Fluorostar FLT 91 Telescopes

Identical to the standard FLAT6AIII optically but with an additional adapter to fit the FLT 91 telescope.

Important - colour may differ from photo, we will have this photographed shortly.

This elegantly designed 2" reducer / flattener has been designed to optimise the flat-field imaging performance of William Optics f/6 to f/7.5 refractors.

Provides good illumination and a flat field across 97% of a full frame sensor field of view.

Attaches directly to telescopes with an M63 thread on the end of the focuser. 

Internal thread accepts 2" astronomy filters.

Requires an M48 threaded T-ring if using a DSLR camera.

Large Sensor Illumination 

  • Designed with nearly Full frame chip-size DSLR cameras in mind. 
  • FMC Triplet APO design.
  • Produced entirely with the best Ohara optical glasses. 

Versatile

  • 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 usual high quality fit & finish.
  • All internal surfaces threaded and blackened to prevent reflections.

Easy to Use  

  • Will accept any standard 48mm T-ring for your camera.

Adjustable distance:

  • GT71 - 9.1mm
  • GT81 - 7.1mm
  • Z81 - 5.2mm
  • ZS103 - 2.5mm

Note: Not suitable for use with the William Optics V-power focuser which requires a flattener with 2" nosepiece (i.e FLat6a-II or FLat6a). 

 

 

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