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iOptron SmartStar Cube-G-MC90

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Product Description


Our SmartStar™ CubeTM-G-MC90 telescope system is the ideal choice for deep space viewing and astrophotography. This 90mm-diameter Maksutov-Cassegrain Telescope dramatically reduces the chromatic aberration that plagues its Refractor counterparts and has a focal length of 1200mm. This light weight, ultra-compact scope offers a great combination of power and transportability, and brings stargazing to a whole other level.


Alt-Azimuth Mount– The Cube

The SmartStar™ CubeTM-G-MC90 comes with our patented Alt-Azimuth telescope mount, a.k.a. The Cube™.This compact mount design is probably the most functional and flexible unit on the market. Both axis motors are built into a small single unit which is universally compatible with all telescopes using a dove-tail connection. In addition, there are no “dead spots” – so you can point your telescope to ANYWHERE above the horizon, whereas, other mounts block the telescope tube at certain points of rotation. This mount also comes standard with AC connection. An optional DC adaptor is available so you can plug your telescope motor into your car if you’re camping or at any remote location

The most easy to understand controller on the market

The GoToNovaTM Controlleris much easier to use than other similar products. The hand controller is more intuitive with menu categories better organized. It also has the largest LCD screen on the market with 8 lines of content compared with others that only have 2 lines. Using the easy-to-use hand controller, you can easily set up your telescope and select where you want to go.

More precise speed control for viewing objects

The control system also allows you to slew the telescope at 5 different drive speeds, keeping the object within the telescope’s viewfinder for as long as you wish.


Stainless Steel Tripod
Made of 1-inch heavy-duty stainless steel the Cube™ Tripod is sturdy yet elegant, and gives the user unparalleled stability during operation. Solid construction joints keep your mount locked securely. With an all-metal support system your valuable telescope will keep still even on a windy night.
GoToNovaTM Computerized Control System

The revolutionary GoToNovaTM computerized control system is by far the most technologically advanced automated tracking system available on the market today. With a database of 50,000 celestial objects, including all of the most famous galaxies, nebulae, star clusters, not to mention the planets, you’ll be able to enjoy star gazing with the simple push of a button.

32-Channel GPS Module

All G-series telescopes come standard with a 32-channel GPS module for fully automated operation. Simply turn on the GoToNovaTM Controller and the GPS module will automatically synchronize your telescope location and time with the GoToNovaTM computerized control system. View celestial objects without having to manually punch in the date, time, latitude or longitude. 
  • · 90mm Maksutov-Cassegrain telescope
  • · 1200mm Focal Length
  • · Red Dot finderscope for locating objects
  • · Heavy duty stainless steel tripod
  • · Alt-Azimuth Mount– The Cube™-- The only mount of its kind for ultimate rotation and universal compatibility
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  • · 50,000 object database plus 256 user-defined objects
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  • · USB Port for PC Laptop control and firmware upgrades (ASCOM protocol)
  • · Drive motor with 5-speed setting for precise tracking
  • · Dual-axis Servomotor
  • · Standard-equipment AC connection (Optional DC adaptor available)
  • · 32-channel GPS module standard on all G series telescopes


Aperture : Maksutov-Cassegrain
Resolution : 1.3”
Case Weight : 13.80 lbs
Magnitude Limit : 11.7th Magnitude
GPS : 32-channel GPS
Motor : Dual-Axis DC Servomotor, DC12V
Protocol : ASCOM
Motor Speed : Dual-Axis, 5-Gear, Electronic (2×,16×,64×,256×,MAX)
USB Port : Yes
GO TO System : GOTONovaTM 50,000+ objects database
Tracking : Automatic
Tripod : 1” Stainless Steel
Focal Length : 1200 mm
Conversion Lens :
PC Computer Control : Yes
Finder : Red Dot
Firmware Upgrade : Yes
Battery : AA x 8(Not Included)

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