ZWO FF80 APO: Quintuplet APO Telescope


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Main Features - ZWO FF80 APO

  • 44mm image circle
  • Supports full-frame cameras
  • Quadruplet air-spaced APO design
  • Small and round stars with a central RMS radius of 2.5um
  • Versatile adapter compatibility


  • Observing mode: 148mm
  • Aperture size: 80mm
  • Net weight: 3.9Kg
  • Focal length: 600mm
  • Gross weight: 4.7Kg
  • Focal ratio: f/7.5
  • Image circle: 44mm
  • Objective lens: Quadruplet air-spaced APO (including two ED glass)
  • Imaging mode: 115mm (from the base of M48x0.75 male thread), 135mm (from the base of M54x0.75 male thread), 155mm (from the base of M68x1 male thread), 168.5mm (from the base of M76x1 male thread)
  • Rear-end thread type: M76x1-M68x1, M68x1-M54x0.75, M54x0.75-M54x0.75, M54x0.74-M48x0.75 (M48x0.75 filter thread inside)
  • Total length: 450mm (including 1.25" eyepiece holder as dew shield contracted), 480mm (including the 4-piece adapter as dew shield contracted), 540mm (including 1.25" eyepiece holder as dew shield fully stretched), 570mm (including the 4-piece adapter as dew shield fully stretched)
  • Rear end of the 4-piece photographic adapters: M48x0.75


The ZWO FF80 APO is a powerful refractive astrograph featuring the Hatfield optical design. With its self-flattening capability, it eliminates the need for a separate field flattener, saving you time and effort in setup. The telescope delivers exceptional imaging performance, while also being suitable for visual observation. Compact and lightweight, the OTA weighs only 3.9kg, making it highly portable. The quadruplet lens structure with two ED glass elements minimizes chromatic aberration. It supports full-frame cameras and comes with versatile adapter compatibility. Enjoy the ease and quality of the ZWO FF80 APO!

Easy-to-use Design:

  • Extension-type hood
  • Detachable tube ring

    ZWO FF80 APO: Quintuplet APO Telescope