Focus Scientific

Sky-Watcher Skymax 102mm (4\") Maksutov-Cassegrain on EQ2 Mount

The compact Sky-Watcher 102mm Maksutov-Cassegrain is ideal when portability is desired without sacrificing too much light. Don't let the small size fool you, this scope packs a punch. It's short body hides a 1300mm focal length mirror-lens system which delivers up to 204x magnification.

The Maksutov-Cassegrain design is very rugged, low maintenance, and delivers a contrasty image.


  • Compact - goes anywhere
  • 102mm aperture provides good resolution and light gathering
  • Easy to use red dot finder
  • Slow motion controls to keep objects in the eyepiece (motor upgradeable)


  • Aperture:102mm (4")
  • Focal length: 1300mm (49")
  • Focal ratio: f/12.7
  • Highest practical power: 204x
  • Eyepieces: 25mm (52x) and 10mm (130x) (1.25")
  • Star diagonal: 90° mirror
  • Finderscope: Red dot
  • Mount: EQ2 equatorial
  • RA axis: 360° continuous slow-motion
  • DEC Axis: 20° limited slow-motion
  • Analog setting circles
  • Tripod: Variable height aluminum
  • Motor drive: upgradeable (sold separately)
  • 1/4" 20tpi mounting bar
  • Tube dimensions: 12cm x 28cm (4.7" x 11.0")
  • Tube weight: 1.9kg (4.2lbs)
  • Counterweight: 3.56kg (7.8lbs)
  • One year warranty