Sky-Watcher Equinox-66 f/400 Pro Fluorite ED APO Refractor

Recommended Retail Price:

The Equinox 66 is the perfect choice for birding, nature study, and/or astrophotography. Its fast optics and generous field of view make it an ideal instrument for studying larger clusters and star fields too (see specs below).

Standard Features:

D = 66 mm, fast, flat f/6, F = 400
Razor sharp, colour-free, high contrast optics.
Retractable aluminum dew shield.
Removable L-shape bracket for easy mounting on any any camera tripod.
Perfect for astronomy, birding and terrestrial use.
Fast speeds and flat fields for widefield astrophotography.
Aluminum carrying case for safe, easy transportation.

High-Precision Indexed Focuser: Standard Feature!

Dual-Speed machined Crayford focuser.
360-degree adjustable for easy framing of objects for photography.
Graduated scale on drawtube for fast and precise focusing with CCD or DSLR cameras.

Whatever your application, we’re sure that Sky-Watcher Equinox refractors will meet and exceed your most demanding performance requirements with their superior mechanics, high portability and razor-sharp colour-free optics. Contact your SkyWatcher dealer to get an Equinox refractor today.


Optical DesignED Apochromatic
Lens MaterialFPL-51
Diameter66 mm
Focal Length400mm
Scondary Mirror Diametern/a
Highest Practical Power132
Faintest Steller Magnitude
Resoving Power
Focuser diameter1.25
Mount Typen/a
Slow-motion Controln/a
Piggyback Bracketn/a
Accessory Trayn/a
Ground Board Diametern/a
Ground Board Weight(s)n/a
Motor Driven/a
Tube Weight1.94Kgs
Tube Dimension(dia. x length)85*420
Tripod Heightn/a
Shipping Weight5kgs
Shipping Carton Dimensions48cm x 33cm x 23cm


  • Model: ED66/400
  • 4 Units in Stock
  • Manufactured by: Sky-Watcher

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