Sky-Watcher SkyMax 90T Tube Assembly
  • Sky-Watcher SkyMax 90T Tube Assembly

Sky-Watcher SkyMax 90

Sky-Watcher Skymax-90T, 90mm 3.5inch f/1250 Maksutov-Cassegrain Optical tube Assembly

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The Sky-Watcher SKYMAX Maksutov-Cassegrains are the ultimate ‘take-anywhere’ telescopes. They are also ideal if working space is limited. Despite their small dimensions they pack a powerful punch. Their High-Resolution, diffraction limited optical systems are multi-coated to maximize contrast and image sharpness. The Skymax Maksutov’ come in apertures of 90mm, 102mm and 127mm, and are available either complete with equatorial mounts and tripods, or as tube assemblies only, which can be mounted onto a standard photographic tripod. Whether your requirement is for terrestrial or astronomical use, these compact scopes are the perfect companion. Tube material: Aluminium. Please note, the is an Optical Tube Assembly only, mount and tripod are available separately.


  • Magnifications (with eyepieces supplied): x50 & x125

  • Highest Practical Power (Potential): x180

  • Diameter of Primary Mirror: 90mm

  • Telescope Focal Length: 1250mm (f/13.88)

  • Eyepieces Supplied (1.25"): 10mm & 25mm

  • Red Dot Finder

  • 1.25"/31.7mm Star Diagonal

  • Focusing by Moving Primary Mirror


Data sheet

Optical Design
Schmidt Cassegrain
3.5 inch
Focal Length
1250 mm
Focal Ratio

Specific References