iOptron CEM60 Center-Balanced Equatorial Mount

iOptron CEM60 Center-Balanced Equatorial Mount

iOptron CEM60 Center-Balanced Equatorial Mount

B&H # IO7200 MFR # 7200
iOptron CEM60 Center-Balanced Equatorial Mount

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Product Highlights

  • Motorized and Computer-Guided EQ Mount
  • Center-Mounted Design with 60 lb Payload
  • Periodic Error of ± 5 Arc Sec
  • Motor Accuracy: 0.06 Arcsecond
  • Nine Slew Speeds up to 3.75°/sec
  • Go2Nova 8407+ Hand Controller
  • Built-in 32-Channel GPS Receiver
  • AccuAligning Illuminated Polar Scope
  • 8" Losmandy/Vixen-Style Dual Saddle
  • Cut-Foam Padded Hard Carrying Case
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  • 1Description

The CEM60 Center-Balanced Equatorial Mount from iOptron features an innovative weight distribution design coupled with precise extended tracking capabilities to create a mount ideally suited for astrophotography or long-term observation. Its center-balanced design puts the optical tube weight directly over the mount's center of gravity which gives it better stability and a greater payload capacity over other EQ mounts. Additionally, the counterbalance shaft length is adjustable to keep it from interfering with whatever pier or tripod is being used.

The drive has a peak-to-peak error of ±5 arc second, but the Go2Nova hand controller is equipped with periodic error correction (PEC) capabilities that allow you to train out the errors. This precision error correction allows for long-exposure astrophotography or other layering techniques that require shorter exposures with filter or other accessory changes. In addition to astroimaging, the extended tracking accuracy makes long term observation of specific objects or areas of interest easier.

For set-up and alignment, the CEM60 comes with the AccuAligning Illuminated Polar Scope. The mount is designed so that the declination shaft doesn't block the AccuAligning scope, which makes it accessible at all times for checking or correcting the polar alignment. A built-in 32-channel GPS receiver sends information such as location and local time to the Go2Nova controller for faster and easier set-up.

Included with the mount is the Go2Nova 8407+ controller. This handheld computer guider has a database of over 349,000 objects and is flash updateable from the iOptron website with firmware updates that increase its accuracy and adds celestial objects. The database includes the planets, galaxies, star clusters, quasars, and nebulae; as well as seven astronomical catalogs including Messier and NGC IC. It also has stars, comets, asteroids, constellations, and can store up to 60 user-defined objects to easily find and go-to their favorite objects. The mount has nine slew speeds up to 3.75°/second and can be manually controlled for quick observations.

A hard carrying case with die-cut custom-fit foam comes with the mount and is designed to hold and protect it during transport or storage.

  • Motorized and computer-guided equatorial mount with 60lb payload capacity
  • Innovative design puts the payload weight on the mount's center of gravity for greater stability and better counter-balancing
  • Non-contact magnetically loaded gear meshing system
  • Precise azimuth adjustment dials
  • 8" Losmandy/Vixen dual saddle accepts any compatible OTA up to 60 lb
  • AccuAligning polar scope with dark-field illumination for polar alignment
  • Declination shaft doesn't obstruct alignment scope for faster and easier Polar alignment
  • Gear switches on both R.A. and DEC axes for fast movement
  • Built-in 32-channel GPS receiver communicates information to the Go2Nova controller
Motors and Gears
  • Precision stepper motors with 0.06 arcsecond accuracy for precise GoTo capability and accurate tracking
  • 146mm, 288 tooth aluminum R.A. and Declination worm wheels
  • Screw/worm type latitude adjuster for precision adjustments
  • Vise-type latitude bearing locks system for solid positioning
  • Permanent Periodic Error Correction (PPEC) removes inaccuracies inherent in gears and allows for more accurate tracking, especially for long-exposure astrophotography
  • Peak-to-peak periodic error of ±5 arcsec
  • Nine slew speeds: 1x, 2x, 8x, 16x, 64x, 128x, 256x, 512x, Max (3.75°/sec)
  • Slew speed and direction controlled via Go2Nova controller
  • 110-240 VAC power adapter included
Instrument Panel and Input Panel
Instrument Panel:
  • Two 12 VDC power outlets for powering the CCD camera or electric focuser
  • Four USB 2.0 port with Type A connector for connecting to accessories
  • 6P6C port which can be used to bridge the guiding port or accessories with a 6P6C/6P4C plug
  • The USB hub is non-powered, and will draw power from a source, such a computer USB port
  • The ports on the instrument panel are connected to the input panel located next to the polar scope
Input Panel:
  • One 12 VDC power input, 5 A max
  • One USB 2.0 port with Type B connector
  • One 6P6C port


Counterweight and Shaft
  • Adjustable counterweight shaft reduces or eliminates interference with tripod or other equipment
  • 1.1x17.7" (28x450mm) stainless steel counterweight shaft
  • Included 21lb (9.5 kg) counterweight
Go2Nova 8407+ Hand Controller
  • 358,000 object database
  • User-friendly menu driven interface
  • 9-speed slew control with quiet mode
  • Database includes stars, constellations, and seven complete astronomical catalogs including Messier and NCG IC
  • Up to 60 user-defined objects to easily find your favorites
  • Enter specific R.A. and Declination coordinates of objects for immediate GoTo
  • 8 line, 21 character/line, red-light backlit LCD screen
  • One-star, multi-star, polar and SolarSys alignments
  • Periodic Error Correction (PEC) function reduces or eliminates R.A. tracking errors for long-exposure astrophotography
  • Programmable anti-backlash adjustment for smoother tracking
  • Updateable firmware through built-in serial port
  • Computer control with planetarium software
  • Integrated ST-4 autoguiding port
  • Built-in heater for larger operating temperature range
In the Box
iOptron CEM60 Center-Balanced Equatorial Mount
  • AccuAligning Polar Scope
  • Go2Nova 8407 Hand Controller
  • 21 lb (9.5 kg) Counterweight
  • Stainless Steel Counterweight Shaft
  • Power Adapter
  • Hard Aluminum Carrying Case
  • Limited Two-Year Warranty
  • Table of Contents
    • 1Description
    Mount Type Equatorial
    Load Capacity 60 lb (27.2 kg), excluding counterweight
    Mount 8" Losmandy/Vixen dual saddle
    Motor Precision stepper motor
    0.06 arcsec accuracy
    Right Ascension Worm Wheel 146mm, 288 tooth aluminum
    Declination Worm Wheel 146mm, 288 tooth aluminum
    GPS Internal 32-channel GPS receiver
    GO-TO Capability Go2Nova 8407+ hand controller
    Altitude / Latitude Adjustment Altitude: ±8°
    Latitude: 0 to 70°
    Polar Axis Scope AccuAligning dark field illuminated
    Includes Tripod/Pier No
    Power Source 12 VDC, 2 A
    100 to 240 VAC, adapter included
    Consumption: 0.6 A (when tracking), 1.1 A (in GoTo mode)
    Operational Temperature -4 to 113°F (-20 to 45°C)
    Mount Size Base: 5.9" (15 cm)
    Weight 27 lb (12.3 kg)
    Packaging Info
    Package Weight 68.6 lb
    Box Dimensions (LxWxH) 25.2 x 18.0 x 9.5"
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