iOptron GEM28 Mount
iOptron

iOptron GEM28 Mount

4.4

Best portable tracking solution for mobile astrophotography enthusiasts.

A highly portable equatorial mount that balances serious payload capacity with traveler-friendly weight. It simplifies the most tedious part of setup with an integrated electronic polar alignment tool, making it an excellent choice for mobile astrophotography setups.

Connection Interface Wi-Fi, USB, RS232, ST-4
USB 2 Wi-Fi, ST-4
Wi-Fi, USB, RS232, ST-4

Who it's for

  • Mobile astrophotographers seeking a lightweight setup for travel
  • Tech-savvy observers who prefer controlling their telescope from a mobile device
  • Backyard astronomers wanting to avoid disturbing neighbors during late-night sessions

Who should skip it

  • Serious imagers using heavy, large-aperture optical tubes
  • Precision-focused photographers requiring absolute stability for long-exposure shots
  • Beginners who prefer plug-and-play software interfaces

Performance breakdown

Portability

Lightweight frame makes field transport effortless for mobile astrophotography setups.

Excellent

Payload Efficiency

Impressive capacity-to-weight ratio handles substantial imaging gear with ease.

Excellent

Alignment Precision

Integrated iPolar tool simplifies setup and ensures pinpoint tracking accuracy.

Excellent

Connectivity

Built-in Wi-Fi and multiple ports offer versatile control options for users.

Excellent

Build Quality

Durable metal construction provides a stable, reliable foundation for long exposures.

Excellent

Software Integration

GoToNova controller offers deep object access but requires a slight learning curve.

Good

Key Specs

Mount Type

German Equatorial

Payload Capacity

28 lbs (12.7 kg)

Mount Weight

10 lbs (4.5 kg)

Material

Metal (Casting + CNC machined)

Periodic Error

< ±10 arcsec

Motor

1.8º stepper motor

Power Requirement

12V DC, 5A

Tripod

LiteRoc stainless steel

Latitude Range

10º ~ 70º

Warranty

2 years

Know before you buy

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Ask Metto anything about the iOptron GEM28 Mount before you decide.