Astroprices

CEM40

iOptron

From ~$2,311.74

4 stores

In stock

The iOptron CEM40 is a next-generation center-balanced equatorial mount that weighs just 15.8 pounds while supporting payloads up to 40 pounds, featuring iPolar electronic polar alignment, built-in 32-channel GPS, and Dual Saddle compatibility for Losmandy and Vixen dovetails. The innovative center-balanced design places the mount's balance point directly over the center of the tripod, resulting in better stability and improved weight capacity to mount weight ratio compared to traditional German equatorial designs. Controlled by the Go2Nova 8407+ hand controller with an 8-line backlit LCD and 359,000+ object database, the CEM40 features slew speeds up to 4.5 degrees per second and includes Permanent Periodic Error Correction (PPEC) for precise tracking during long-exposure astrophotography. The mount includes integrated cable management, ST-4 autoguider port, and optional WiFi control capability, making it an excellent choice for both visual observers and astrophotographers seeking a portable, high-capacity platform.

Specifications

Transmission Type Synchronous Belt with Zero Backlash Worm Gears
Bearing Diameter 68 mm
Hand Controller Go2Nova 8407+
Latitude Range
Object Database 359000
GoTo Power Consumption 0.9 A
Permanent Periodic Error Correction
Mount Head Weight 7.2 kg
Periodic Error 7″
Tracking Power Consumption 0.6 A
USB Communication
Azimuth Adjustment 6
Power Requirement 12
iPolar Electronic Polar Finder
Mount type Center-Balanced German Equatorial (CEM)
Motor Resolution 0.08″
Internal Cable Management
Payload Capacity 40 lb
Maximum Slew Speed 4.5°
Power Requirement Current 5 A
RA/DEC Worm Diameter 17 mm
Motor Type 1.8° Stepper Motors with 128 Micro-Steps
ST-4 Autoguider Port
Payload-to-Weight Ratio 2.5
RA/DEC Worm Teeth 216
RA/DEC Axle Diameter 45 mm
GPS Channels 32
Dual Saddle Support Vixen and Losmandy Dovetails

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