Flat6AIII adjustable flattening...
Flat6AIII adjustable flattening...
Flat6AIII adjustable flattening...
Flat6AIII adjustable flattening...
Flat6AIII adjustable flattening reducer William Optics
Flat6AIII adjustable flattening reducer William Optics
Flat6AIII adjustable flattening reducer William Optics
Flat6AIII adjustable flattening reducer William Optics

Flat6AIII adjustable flattening reducer William Optics

WO62653
Stock at Supplier
329.71 359.71 -30.00
VAT excluded Shipping 5/7d

This elegant 2" field reducer/flattener is designed to optimize the flat field imaging performance of William Optics' F/6 to F7.5 ratio refractors. It will provide good illumination and flat field on 97% of full frame size sensors.

Full Frame Size

  • Designed with near full-frame size chip DSLR cameras in mind.
  • Triplet FMC APO design.
  • Manufactured entirely with the finest Ohara optical glasses.

Order it before 6 hours and 28 minutes and receive it between on Friday, 6 December and Friday, 13 December with Home delivery - International

Delivery Options
Carrier Description Estimated Delivery
Home delivery - International Home delivery - International

Friday, 6 December - Friday, 13 December

Home delivery - International

Home delivery - International

Estimated delivery:
Friday, 6 December - Friday, 13 December

 

This elegant 2" field reducer/flattener is designed to optimize the flat field imaging performance of William Optics' F/6 to F7.5 ratio refractors. It will provide good illumination and flat field on 97% of full frame size sensors.

Full Frame Size

  • Designed with near full-frame size chip DSLR cameras in mind.
  • Triplet FMC APO design.
  • Manufactured entirely with the finest Ohara optical glasses.

Amazing

  • 0.8X reduction factor
  • Adjustable design, for perfect back focus, can be used with other refractor models.
  • 48mm filter ready

Superb finish

  • William Optics polished anodized finish.
  • All internal surfaces threaded and blackened to avoid reflections.

Easy to use: accepts any standard 48mm T-ring for your camera.

Suitable for: GT71, GT81, Z81, Z103, Z126 (GT = Gran Turismo, Z = ZenithStar)

You have to adjust the flattener to your telescope:

  • GT71: 9.1 mm
  • GT81: 7.1 mm
  • Z81: 5.2 mm
  • Z103: 2.5 mm

The pictures on the right show how to do this: simply turn the flattener until the scale shows the correct distance and then lock it with the locking ring.

how to install the flattener? The flattener comes with an M63 thread. Just unscrew the 2" adapter from the tube and screw the flattener in

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