Sky-Watcher

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150

(No reviews yet) Write a Review
SKU:
SKW-S20215
Shipping:
Calculated at Checkout
Your price: $680.00

Description

Sky-Watcher 0.77x Reducer/Flattener for Esprit 150

 

  • 36mm fully illuminated field, compatible with both APS-C and full frame sensors
  • 90mm back-focus (55mm when back focus spacer and M48 ring installed)
  • Drops f/ratio from native f/7 (1050mm) to f/5.4 (810mm)
  • Reduces exposure time by 68% compared to native f/7
  • 2.54 x 1.7-degree field of view when used with a full frame camera
  • 1.66 x 1.11-degree field of view when used with APS-C crop sensor 
  • Includes reducer, metal thread-on caps, back focus spacer and M48 thread adapter
  • Built-in 2" filter cell for mounting filters into the light path
View AllClose