Sky-Watcher

Esprit 120ED Reducer/Flattener (.77x)


  • Sale
  • Regular price $380.00

Out of stock, but available to order.


  • 34mm fully illuminated field but can handle full frame as well
  • 95mm back-focus (55mm when back focus spacer and M48 ring installed)
  • Drops f/ratio from native f/7 (840mm) to f/5.4 (647mm)
  • Reduces exposure time by 68% compared to native f/7
  • Built-in 2" filter cell for mounting filters
  • 3.18 x 2.12-degree field of view when used with a full frame camera
  • 2.08 x 1.39-degree field of view when used with APS-C crop sensor 
    SKU: S20209
    Barcode: 050234202091