Christmas is fast approaching! To make sure your gifts arrive on time and shine under the tree on December 24th, place your orders now!


More products from the brand :iOptron

iOptron CEM70 EC mount

Price range: CHF 4'299 through CHF 4'499

Free delivery
Easy, free returns

Frame SEO description iOptron CEM70 EC

The center-balanced equatorial mount iOptron CEM70 EC is designed for astronomy and astrophotography enthusiasts looking for a high-performance, stable and relatively portable solution. Its innovative Center-Balanced Equatorial Mount architecture reduces vibrations and enables precise tracking of celestial objects, even at long exposures. Thanks to its high load-to-weight ratio and Go2Nova® control, this mount is the ideal choice for observing and imaging nebulae, galaxies and star clusters with maximum sharpness.

Visit CEM70 EC is distinguished by :

  • Load capacity of 31.8 kg (70 lb) to accommodate refractors, mirrors and heavy accessories.
  • A total weight of 13.6 kg for the frame alone, making it easy to transport to dark-sky sites.
  • High-precision stepper motors (0.07″ per step) ensure smooth, silent tracking.
  • Integrated iPolar port for electronic polar alignment, even in the presence of optical obstacles.
  • A Go2Nova 8407+ V2 controller with a database of over 40,000 objects and advanced GOTO functions.
  • A real-time periodic error correction (RPEC) system offering an accuracy of less than 0.3″ RMS.
  • All-metal mechanical design and ergonomic locking levers for use with gloves.
  • A Vixen/Losmandy double saddle for optimum compatibility with optical tubes and accessories.

Technical specifications

Features Detail
Type Center-balanced equatorial mount (CEM)
Payload 31.8 kg (70 lb)
Frame weight 13.6 kg (30 lb)
Load/weight ratio 2,33
Material Aluminum alloy and steel
Latitude adjustment 0° à 65°
Azimuth adjustment ± 4°
Precision per step 0,07″
Periodic Correction (PEC) Real-time EPSC < 0.3″ RMS
Controller Go2Nova 8407+ V2, 40,000+ items
Polar alignment iPolar integrated electronics
Saddle Double Vixen/Losmandy

Designed for demanding astrophotographers, the iOptron CEM70 EC offers an optimum balance between performance, portability and robustness. Its load-to-weight ratio allows heavy configurations to be carried without sacrificing stability, while precise tracking and real-time correction guarantee sharp images without star trails. The Go2Nova® interface facilitates celestial navigation, and electronic polar alignment considerably reduces set-up time.

Comparison CEM70 EC vs. CEM70 EC2

Criteria CEM70 EC CEM70 EC2
Encoders 1 high-resolution encoder (AD axis) 2 high-resolution encoders (AD & DEC axes)
Periodic error correction On a single axis (AD) in real time On both axes (AD & DEC) in real time
Long exposure precision Excellent Optimal (greater resistance to imbalances)
Vibration resistance High Maximum (dual sensors)
Recommended use Advanced astrophotography Very long exposure astrophotography & deep imaging
Price guide More affordable Slightly higher

In short, the CEM70 EC is a powerful choice for most astrophotography configurations, offering precise tracking and good value for money. The CEM70 EC2 gains in robustness and precision thanks to its dual encoder system, making it the mount of choice for extreme long exposure imaging projects or for astrophotographers seeking the best periodic error correction on both axes.

Products in the same category

Monture Ultra Light Polarie U Star Tracker
Ultra Light Polarie U Star Tracker frame
CHF 669
Sky-Watcher WAVE-150i Tête de monture STRAINWAVE
Sky-Watcher WAVE-150i Mounting head STRAINWAVE
CHF 2'049
Monture à fourche Paramount Taurus 400 avec encodeurs
Paramount Taurus 400 fork mount with encoders
CHF 24'999
Monture ZWO AM5N
ZWO AM5N mount
Price range: CHF 2'439 through CHF 3'039
Monture harmonique iOptron AZ/EQ HAE69B avec iMate
iOptron AZ/EQ HAE69B harmonic mount with iMate
Price range: CHF 3'899 through CHF 5'199
Sky-Watcher AZ-EQ6GT Monture Go-To
Sky-Watcher AZ-EQ6GT Go-To mount
CHF 1'899
Monture harmonique iOptron AZ/EQ HAE29B-EC avec encodeur et iMate
iOptron AZ/EQ HAE29B-EC harmonic mount with encoder and iMate
Price range: CHF 2'859 through CHF 2'989
Sky-Watcher WAVE-100i Tête de monture STRAINWAVE
Sky-Watcher WAVE-100i Mounting head STRAINWAVE
CHF 1'569
Sky-Watcher SkyTee-2 Monture altazimutale double avec trépied
Sky-Watcher SkyTee-2 Dual altazimuth mount with tripod
CHF 489
Monture JTW Trident GTS
JTW Trident GTS frame
CHF 6'899
Sky-Watcher Evolux-62ED
Sky-Watcher Evolux-62ED
CHF 449
Celestron CGX 1100 HD – Le pack EdgeHD 11" sur monture équatoriale
Celestron CGX 1100 HD - The EdgeHD 11" equatorial mount package
CHF 5'990
Monture harmonique iOptron AZ/EQ HAE43C-EC avec encodeur
iOptron AZ/EQ HAE43C-EC harmonic mount with encoder
Price range: CHF 3'659 through CHF 3'929
Monture iOptron CEM70 EC
iOptron CEM70 EC mount
Price range: CHF 4'299 through CHF 4'499
Monture Celestron CGX complète
Complete Celestron CGX mount
CHF 2'999
Sky-Watcher AZ Pronto Monture altazimutale avec trépied
Sky-Watcher AZ Pronto Altazimuth mount with tripod
CHF 269

Our new products

Module d'alignement automatique StarSense (Celestron ou Sky-Watcher)
StarSense automatic alignment module (Celestron or Sky-Watcher)
Price range: CHF 509 through CHF 589
Celestron CGX 1100 HD – Le pack EdgeHD 11" sur monture équatoriale
Celestron CGX 1100 HD - The EdgeHD 11" equatorial mount package
CHF 5'990
Celestron CGX 925 HD – Le pack EdgeHD 9.25" sur monture équatoriale
Celestron CGX 925 HD - The EdgeHD 9.25" equatorial mount package
CHF 5'050
Celestron CGX 800 HD – Le pack EdgeHD 8" sur monture équatoriale
Celestron CGX 800 HD - The EdgeHD 8" equatorial mount package
CHF 4'299
Télescope StarSense Explorer DX 6" (150mm) Schmidt-Cassegrain
StarSense Explorer DX 6" (150mm) Schmidt-Cassegrain telescope
CHF 749
Télescope StarSense Explorer DX 5" (125mm) Schmidt-Cassegrain
StarSense Explorer DX 5" (125mm) Schmidt-Cassegrain telescope
CHF 639
Lunette Celestron StarSense Explorer DX 102AZ
Celestron StarSense Explorer DX 102AZ telescope
CHF 383
Celestron StarSense Explorer LT 70AZ
Celestron StarSense Explorer LT 70AZ
CHF 169
Longue-Vue Celestron TrailSeeker 100mm
Celestron TrailSeeker 100mm spotting scope
CHF 499
Longue-Vue Celestron Regal M2 65ED
Celestron Regal M2 65ED spotting scope
CHF 619
[category_menu_mobile]