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Cyclops Optics

William Optics Flat6A 0.8x Reducer Flattener


William Optics Flat6A 0.8x Reducer Flattener

Shipping Weight:
0.55 KGS
Calculated at checkout

Product Description


  • William Optics Flat6A Reducer Flattener
  • Spacer for William Optics GT81
  • T-ring for EOS mount

This very elegant 2" reducer/field flattener has been designed to optimize the flat-field imaging performance of William Optics F/6 ratio refractors. WO Flat 6A will provide good illumination and flat field across APS sized or smaller sensors.

*Special SCT adapter is available to attach it to SCT thread on ZS66 telescopes.

APS size 
• Designed with APS chip-size DSLR cameras in mind. 
• FMC doublet design.
• Produced entirely with the best Ohara optical glasses. 

Excellent Performance
• Reducing factor 0.8X.
• It will flatten the field amazingly well and finally make you see those stars round! Differently from other brands' refractors, this flattener works amazingly well with the popular 66-80mm F/6 refractors. 

Superb Finish
• William Optics polished anodized finish.
• All internal surfaces threaded and blackened to prevent reflections.

Easy to Use 
• Rotating T-ring thread for any 35mm camera. 
• Canon EOS T-ring is included. 
• Will accept any standard T-ring for your camera.
• SCT adapter available (optional) for ZS66.

Suitable for
• ZS71, GT81,GT102

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