Description

Sky-Watcher 0.77x Reducer Flattener for EvoStar 150DX

• 34mm fully illuminated field, compatible with both APS-C and full frame sensors
• 89mm back-focus (55mm when back focus spacer and M48 ring installed)
• Drops f ratio from native f 8 (1200mm) to f 6.2 (930mm)
• Reduces exposure time by 66% compared to native f 8
• 2.22 x 1.48-degree field of view when used with a full frame camera
• 1.45 x 0.97-degree field of view when used with APS-C crop sensor
• Only compatible with Evostar 150DX focuser
• Includes reducer, metal thread-on caps, back focus spacer and M48 thread adapter
• Built-in 2 filter cell for mounting filters into light path

• In the Box

  Sky-Watcher 0.77x Reducer Flattener for EvoStar 150DX

  Warranty & Manuals

  Sky-Watcher 2-Year Warranty