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iOptron MC90 Optical Telescope

The iOptron® 90mm Maksutov-Cassegrain telescope (MC90) is a great astronomy telescope that is a powerful yet small enough to take anywhere. Multi-coatings applied to the curved front lens guarantee the highest possible light transmission. Maksutov-Cassegrain Telescope dramatically reduces the chromatic aberration that plagues its refractor counterparts. With a focal length of 1200mm, the MC90 exhibits all the performance of classic long-tube 90mm refractors, with a compact tube. This light weight, ultra-compact scope offers a great combination of power and transportability, and brings stargazing to a whole other level. 

The MC90 also equips with an internal flip mirror for dual viewing. As easy as flipping a switch, the MC90 enables the astrophotographer to find, center, and focus a target object visually with a 1.25" telescope eyepiece, then photograph it with a camera. All without swapping out any equipment. 

The MC90 comes with 2 optical eyepieces (10mm and 25mm) and a 45º erect prism diagonal. The equipped dovetail makes it fit to any telescope mount that accepts Vixen-style dovetail. 

The combination of iOptron’s MC90 and CubeTM Cube ProTM or SmartEQ Pro goto telescope mount is the ideal choice for sky surfing and/or astrophotography.


  • 90mm Maksutov-Cassegrain telescope
  • Focal length 1200mm
  • Two optical eyepieces (10mm and 25mm)
  • 45 degree erect prism diagonal
  • Internal flip mirror for dual viewing
  • Dust cap
  • Vixen dovetail plate
  • Small dovetail saddle for finder scope mounting


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