i-OPTRON CEM25P (1.5" Thick Steel Tripod)
Low Periodic Error GoTo Mounting System. . . . Rs 75000
Eqivalent to EQ5 mount
Includes: Built-in 32-channel Global Positioning System (GPS)
PC/Laptop Controlled GoTo Mount
SPEED: 1×,2×,8×,16×,64×,128×,256×,512×,MAX(4º/sec)
1,50,000 Object Database
Astronomical Telescope Go-To Mount with Low Periodic Error
The next step up of CEM25 – Low Periodic Error.

The CEM25P has all of the features guaranteed low periodic error of ~+/- 10 Arc seconds or less. The improved tracking accuracy is a product of tighter production tolerances. It also features larger gear switches on both axes, making access and adjustment easier especially with light gloves on. 

The Center-balanced Equatorial Mount (CEM), a mount whisper quiet and light weight, uses up to 60% less GOTO power consumption than other mounts in category. 

The "Z" design mount puts the weight of the payload at the center of gravity allowing for greater natural stability. Given its payload capacity, this means the "Z" designed mount is unusually light, a nice benefit when setting up at a remote site. Other features include an adjustable counterweight bar to prevent obstruction with the tripod. And polar aligning is quick and accessible all the time since the polar scope is not blocked by the declination shaft. 

The CEM25P is equipped with the latest advanced GOTONOVA® GOTO technology, making it one of the most powerful and accurate GOTO mounts available. Its database includes over 150,000+ objects. The Go2Nova® Hand Controller is intuitive to use and its large 4-line LCD screen simplifies the process of setting telescopes and locating objects.
  • A new design Center-Balanced equatorial mount for maximum payload and minimum mount weight
  • Specialized astrophotography mount ideal for entry-level and intermediate Astro-photographers
  • Low periodic error (< ± 10 arc seconds)
  • Payload of 27 lbs (12.3 kg) with the mount-only weight of 10.4 lbs (4.7 kg)
  • Spring loaded gear system with customer adjustable loading force
  • Gear switches on both R.A. and DEC axes for easy balancing when disengaged
  • Adjustable counterweight shaft for 0º latitude operation
  • Stepper motor with low power consumption
  • New electronics and control adapter from CEM60
  • iOptron AccuAlignTM calibrated polar scope with dark-field illumination and easy polar alignment procedure, allowing for fast and accurate polar alignment
  • Polar alignment routine for those who can’t see the Pole Star
  • Go2Nova® 8408 controller with Advanced GOTONOVA® GOTO Technology
  • Integrated ST-4 autoguiding port
  • Built-in 32-channel Global Positioning System (GPS)
  • Serial port for firmware upgrade and computer control
  • Spring loaded Vixen-style saddle
  • Standard 1.5 inch heavy-duty stainless steel tripod (5kg)
  • Die-cast metal tripod spreader with accessory tray
  • Optional PowerWeightTM rechargeable battery pack
  • Optional StarFi WiFi adaper for full function control via SmartPhone/Tablet/Computer
Mount : Model:7100P
Center-Balanced Equatorial Mount
27 lb (12.3kg), exclude counterweight
Mount weight
10.4 lb (4.7kg)
Payload/Mount weight
Periodic error (PE) *
<±10 arcsec
Right Ascension worm wheel
Φ88mm, 144 teeth aluminum
Declination worm wheel
Φ88mm, 144 teeth aluminum
Right Ascension axis shaft
Φ35mm steel
Declination axis shaft
Φ35mm steel
Right Ascension bearing
Φ55mm ball bearing
Declination bearing
Φ55mm ball bearing
Worm gears
Φ15.2mm, Brass
Motor drive
1.8º stepper motor, 128X microdivision
0.17 arc seconds
Synchronous belt
Latitude adjustment range
0º ~ 60º
Azimuth adjustment range
± 10º
Internal 32-channel GPS
Polar Scope
AccuAlign TM dark field illuminated
Level indicator
Level bubble
Hand Controller
Go2Nova® 8408 with 150,000+ objects database
Slew speed
Power consumption
0.35A(Tracking), 0.6A(GOTO)
Power requiremention
12V DC(9 ~ 15V), 1.5Amp
AC adapter
100V ~ 240V (included)
Power-down memory
Serial port
Yes (on hand controller)
Autoguide port
Firmware upgrade
PC computer control
Counterweight shaft
Φ20mm, Stainless Steel
10.4 lb (4.7kg)
1.5" Stainless Steel(5kg)
Dovetail saddle
Spring loaded Vixen-style
Operation temperature
-10ºC ~ 40ºC
Shipping weight

7120P: Mount Head (w/ tripod tray): 11.600 Kg
7121 : 1.5" Tripod (w/o tray): 5.200 Kg
Gross weight: 16.800 Kg.

Shipping Carton Dimension

mount Head: 35 x 35 x 20 cms3
1.5" Tripod: 75x 17x 17 cms3

Instructions for use in ENGLISH
Download Quick Start Guide in .PDF format
Download Instructions Manual in .PDF format
Download Firmware from Manufacturers Website
The following items are FREE with the telescope 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 Telescope

  • Padded Carry Bag for CEM 25P Mount. . . . Rs. 2100
  • Padded Carry bag for STAND . . . .Rs 1560
What We Use To Manufacture
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