More products from the brand :iOptron

iOptron CEM70 mount

Price range: CHF 2'899 through CHF 3'199

Free delivery against signature
Easy, free returns

iOptron CEM70 mount: center-balanced, powerful and precise (70 lb - 31.8 kg)

Visit iOptron CEM70 is a high-performance center-balanced equatorial (CEM) mount, capable of supporting up to 31.8 kg (70 lb)while weighing only 13.6 kg (30 lb). This charge ratio (~2.33) makes it particularly practical for both nomadic and stationary astrophotography.

Designed entirely in metal, it features a duo of 151 mm (248-tooth) gears, a very low periodic error (< ± 3.5 arcsec P-Peak) and permanent PE correction (PPEC) for ultra-precise tracking.

Its Go-To microprocessor (Go2Nova 8407/8410) includes a database of over 200,000 objects, 32-channel GPS and heated LCD screen. Polar alignment is performed via the integrated electronic iPolar.

Features Detail
Frame weight 13.6 kg (30 lb)
Payload 31.8 kg (70 lb) without counterweight
Ratio ≈ 2,33
Worm period 348 s
Periodic error < ± 3.5 arcsec (< ± 5″ for encoded versions)
Rotation speed 3,75°/s (×900)
Range latitude 0°-65°
Power supply 12 V DC, 5 A
Controllers Go2Nova 8407/8410 + GPS + iPolar
Connections USB, ST-4, 2× 12 V, 3×USB2.0, DC
Cart Losmandy/Vixen 8″ clog
Temperature -10 °C to +40 °C
Warranty 2 years limited

The version CEM70G (or CEM70+Wi-Fi/USB3) adds iGuider (on-board autoguider), a reinforced management cable, and USB 3/Wi-Fi ports for direct PC control.

Users confirm its reliability: "tracking accuracy is amazing... 0.4″ RMS" on a RC 1625 mm, and use with EdgeHD 11 + ZWO2600mc for long exposure astrophotography.

SummaryThe CEM70 combines portability, remarkable capacity, Go-To precision, optimal tracking and integrated accessories (GPS, iPolar, iGuider in G version), making it a solid choice for the demanding astrophotographer.

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 avec trépied carbone
Sky-Watcher WAVE-150i with carbon tripod
CHF 2'349
Monture JTW Trident GTS
JTW Trident GTS frame
CHF 6'899
Sky-Watcher EQ8-R PRO (Tête)
Sky-Watcher EQ8-R PRO (Head)
CHF 3'649
Skywatcher Explorer 130M Motorisé
Skywatcher Explorer 130M Motorized
CHF 349
Table équatoriale pour Celestron Origin
Equatorial table for Celestron Origin
CHF 429
Sky-Watcher EVOSTAR 90/660 AZ PRONTO
Sky-Watcher EVOSTAR 90/660 AZ PRONTO
CHF 319
Sky-Watcher AZ5 Deluxe
Sky-Watcher AZ5 Deluxe
CHF 349
Sky-Watcher EQ8-Rh PRO Monture avec trépied
Sky-Watcher EQ8-Rh PRO Tripod mount
CHF 7'249
Monture JTW Trident GTR
JTW Trident GTR frame
CHF 5'399
Paramount MX
Paramount MX
CHF 11'999
Sky-Watcher Fusion-120i
Sky-Watcher Fusion-120i
CHF 848
Sky-Watcher EVOSTAR 102 EQ3-2
Sky-Watcher EVOSTAR 102 EQ3-2
CHF 549
Sky-Watcher AGTiX Wi-Fi avec trépied
Sky-Watcher AGTiX Wi-Fi with tripod
CHF 579
Monture iOptron CEM120 (plusieurs versions)
iOptron CEM120 mount (several versions)
Price range: CHF 4'799 through CHF 8'099
Sky-Watcher Evostar 150 HEQ5-R PRO
Sky-Watcher Evostar 150 HEQ5-R PRO
CHF 1'998

Our new products

Oculaire Sky-Watcher Nirvana 16mm 1.25”
Sky-Watcher Nirvana 16mm 1.25” Lens”
CHF 110
Oculaire Sky-Watcher Nirvana 13mm 1.25”
Sky-Watcher Nirvana 13mm 1.25” Lens”
CHF 110
Oculaire Sky-Watcher Nirvana 10mm 1.25”
Sky-Watcher Nirvana 10mm 1.25” Lens”
CHF 98
OculaireSky-Watcher Nirvana 7mm 1.25”
LensSky-Watcher Nirvana 7mm 1.25” lens”
CHF 98
Oculaire Sky-Watcher Nivrana 4mm 1.25”
Sky-Watcher Nivrana 4mm 1.25” Lens”
CHF 98
Solar Fast Tilter
Solar Fast Tilter
CHF 99
Réducteur de focale 0.77x pour Sky-Watcher Evostar 150EDX
0.77x focal reducer for Sky-Watcher Evostar 150EDX
CHF 320
Correcteur Sky-Watcher Evostar 100EDX & Esprit 70EDX
Sky-Watcher Evostar 100EDX & Esprit 70EDX correctors
CHF 209
Réducteur / Correcteur 0.85x-Sky-Watcher Evostar 150ED DS-PRO
Reducer / Corrector 0.85x-Sky-Watcher Evostar 150ED DS-PRO
CHF 298
Trépied Acier Inoxydable Sky-Watcher AZ5
Sky-Watcher AZ5 stainless steel tripod
CHF 185
[category_menu_mobile]