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YOU ARE HERE >> HOME | i-OPTRON GoTo SYSTEM | i-Optron CEM 40 GoTo with i-Polar Scope

i-OPTRON CEM 40 GoTo Mount with i-PolarTM Scope with iStarFi Wi-Fi Adapter
[ 1.5" Thick Steel Tripod ]
174000 + 18% GST
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  • Includes: Built-in 32-channel Global Positioning System (GPS)
  • 40 lb (18 kg), exclude counterweight
    MAX SLEW SPEED : 4.5°/sec (1080x)
  • 2,12,000+ object Database
  • iStarFiTM Wi-Fi Adapter
  • iOptron iPolarTM
iOptron's CEM 40 with i-Polar Scope
The iOptron® CEM40 mount is the next generation of center-balanced equatorial mounts. This mount is incredibly eye-pleasing, and its beauty is found in more than its appearance. The functionality of the mount is superb. Weighing in at only 15.8lbs., this mount can support a payload of up to 40lbs.! That's incredible!
Innovative iOptron Technology
Make way for an innovative mount! This iOptron CEM40 mount uses iOptron's patent-pending Universal Self-Centering Saddle (USCS). This saddle accommodates Losmandy and Vixen-style dovetail plates. The CEM40 also uses iOptron's ultra-quiet, low-power consumption stepper motor drive system, aiding the mount in providing precise tracking.
Computerized Mount Features
The iOptron CEM40 mount uses the Go2Nova® 8407 hand controller to navigate the night sky. This incredible technology helps observers find celestial objects with the aid of the mount's 212,000+ object database! For those looking for a telescope that has the capability of tracking and finding beautiful night sky objects, this mount is a must have tool.

iOptron electronics polar scope, iPolarTM, ensures the accurate alignment of the mount, even when the pole star is obscured. There are large levers on the quick-lock drive engagement system; these large levers make it easy to snap the gears into place.
CEM40 Features
  • Unique design, Center-Balanced equatorial mount (CEM) for maximum payload and minimum mount weight
  • Idea for both visual observation and astrophotography
  • Maximum payload of 40 lbs (18 kg) with the mount weight of only 15.8 lbs (7.2 kg)
  • All metal, CNC machined with red/black anodized
  • Easy to use quick-lock gear clutches
  • Low periodic error (< ± 7 arc seconds)
  • Permanent periodic error correction (PPEC)
  • Precision stepper motor for precise GOTO and accurate tracking
  • Go2Nova® 8407+ controller with Advanced GOTONOVA® GOTO Technology with built-in heater
  • Integrated ST-4 autoguiding port
  • 32-channel Global Positioning System (GPS)
  • USB communication port
  • Cable management system
  • New, patent-pending iOptron universal saddle
  • 1.5 inch heavy-duty stainless steel tripod (5kg)
  • Optional WiFi for mount control via SmartPhone/Tablet/Computer
Introduce iOptron iStarFiTM Wi-Fi Telescope Adapter
Now you can convert your CEM40/GEM45 mount into a wirelessly controllable one with this new the new iStarFiTM Wi-Fi adapter! With iOptron's StarFi you'll be wirelessly connected. You can wirelessly control your telescope mount with your favorite planetarium software through iOptron ASCOM driver and Commander. You can also connect the mount to your SmartPhone/Tablet to use software like Sky Safari to control your mount.

NOTE : iStarFi only support CEM40 and GEM45 series mount.
iStar WiFi Features
  • Supports 802.11b/g/n
  • Can be constructed as AP (default) or STAtion mode
  • Password protection
  • Connect to Computer/Tablet/SmartPhone
  • Supports both iOS and Android mobile devices through WIFI connection
  • Allow you to use your favorite planetarium software to control the mount via iOptron ASCOM connection
  • Support Sky Safari Pro for both iOS and Android
Introducing iOptron iPolarTM
What makes iPolar unique?
1. Can be easily installed inside the RA shaft on all iOptron equatorial mounts (except SmartEQ Pro).
2. Can be used on any mounts with adapters either internally or externally.
3. USB plug and play (no driver needed)
4. Works globally, no need to set northern and southern hemisphere.
5. No visible Polaris (north) or Sigma Octantis (south) necessary.
6. No need to rotate the mount during polar align.

iPolar is a smart electronic polarscope for everyone.
iPolarTM Features
  • Fast and easy to use
  • High precision (30 arcsec)
  • No need to see the Pole Star
  • No need to rotate the mount during alignment
  • Unique imaging enhancement technique
  • Smart plate solving
  • On screen instruction during alignment
  • Capable under poor sky visibility condition
  • Compatible to most equatorial mount with a proper adapter
Center-Balanced Equatorial Mount
Max payload*
40 lb (18 kg), exclude counterweight
Mount weight
15.8 lb (7.2 kg)
Payload/Mount weight
Structure Material
All metal, CNC machined
Exterior Finish
Anodized red/black
Latitude adjustment range
0º ~ 60º(special CW shaft mounting if <10° )
Azimuth adjustment range
± 6º
Tracking accuracy (PE)**
<±7 arcsec
400 sec
Worm diameter
Φ17mm, Brass
Right Ascension worm wheel
Φ110mm, 216 teeth, zero backlash
Declination worm wheel
Φ110mm, 216 teeth, zero backlash
Right Ascension axis shaft
Φ45mm steel
Declination axis shaft
Φ45mm steel
Right Ascension bearings
Declination bearings
Counterweight shaft
Φ20X410 mm, Stainless Steel (1 kg)
Precision stepper motor, 1.8º/128X micro-step
Motor resolution
0.08 arcsec (200 PPS)
Synchronous belt
Hand Controller
Go2Nova® 8407+, 8 line 21 character LCD
Star Database
212,000+, star identification
DC 12V, 5A
AC adapter
100V ~ 240V (included)
Power consumption
0.6A(Tracking), 0.9A(GOTO)
Power-down memory
Polar scope
Optional iPolar TM electronic polar scope
Meridian treatment
Stop (0-10° pass), flip
Zero position
Automatic zero search
Dovetail saddle
iOptron Universal Saddle, 5"
Max slew speed
4.5°/sec (1080x)
Guiding port
Communication port
External (optional)
Cable Management
DC12V (3A), ST4,USB
1.5" Steel Tripod
Hard case
Operation temperature
-10ºC ~ 40ºC
Technical Specifications of iPolarTM
Field of View (FOV) ~ 13 degree
Resolution 30 arcsec approx.
Alignment Precision 30 arcsec
Interface Mini USB2.0
Software iPolar Software
Operation System Windows 7 //8.1 /10, 32bit or 64 bit, with Microsoft .NET Framework 4.8 installed
Instructions for use in ENGLISH
CEM40 Download Quick Start Guide in .PDF format
CEM40 Download Instructions Manual in .PDF format
i-Polar Operating Manual in .PDF format
iStarFi Wi-Fi Adapter Instruction Manual in .PDF format
Download Latest Firmware
ASCOM Driver and COmmander
Official Product Webpage
The following items are FREE with the product listed above.
Magnitude 5 STAR Atlas
Directional Compass  FREE
110 Messier Object Locator     A4 size front back colour print
109 Deep Sky CALDWELL Catalogue A4 size front back colour print
Star Dial - Identifying Stars & Constellations
The Moon Map Poster B/W chart unfold to 22"x26"
Suggested Accessories with this Product
  • Padded Carry Bag for CEM 40 Mount. . . . Rs. 2460
  • Padded Carry bag for STAND . . . .Rs 2100
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