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Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet - 1
Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet - 2
Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet - 1
Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet - 2

Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet

SW_20095
€340.00
Tax included

​Designed specifically for the Sky-Watcher Esprit-120 ED Apo Refractor, the new three-lens Focal Reducer/Flattener has a reduction factor of 0.77x. It comes with a standard adapter with M48 thread edge and 55mm back focus.

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​Designed specifically for the Sky-Watcher Esprit-120 ED Apo Refractor, the new three-lens Focal Reducer/Flattener has a reduction factor of 0.77x. It comes with a standard adapter with M48 thread edge and 55mm back focus for use with Sky-Watcher's M48 Canon EOS (code SW_20237) and Nikon (code SW_20238) adaptor rings.

After removing the adapter, an M71x1 internal thread with maximum 75mm back focus is available for self-made adapter solutions.

The Reducer/Flattener produces a fully illuminated and corrected image circle of 34mm diameter and is therefore perfectly suitable for image formats up to APS-C but can also be used for full format. 

  • 0.77x Focal Reducer / Field Flattener
  • Effectively reduces Focal Ratio of Esprit-120ED to f/5.4
  • Three-Lens Optical Design
  • Image Circle 34mm
  • Full Frame Compatible
  • 2-Inch Filter Compatible
  • 75mm Back Focus or 55mm with supplied adapter
  • M48 x 0.75 Adapter thread
  • Weight 910g (with end caps)
Correction Optics Type
Focal Reducer
Field Flattener

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Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet

Sky-Watcher 0.77x Reducer/Flattener for Sky-Watcher Esprit-120ED triplet

​Designed specifically for the Sky-Watcher Esprit-120 ED Apo Refractor, the new three-lens Focal Reducer/Flattener has a reduction factor of 0.77x. It comes with a standard adapter with M48 thread edge and 55mm back focus.

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