iOptron GEM28 Equatorial Mount
iOptron

iOptron GEM28 Equatorial Mount

4.4

Best portable mount for mobile astrophotographers seeking precision and ease.

Designed for the serious observer who values portability without sacrificing stability. This mount offers an impressive payload-to-weight ratio, making it an ideal companion for field trips where every pound counts. With integrated electronic polar alignment and built-in connectivity, it streamlines the setup process so you can spend more time capturing the night sky.

$1448.00

In stock

at

Astronomics

Connection Interface USB 2

Who it's for

  • Mobile astrophotographers needing a lightweight yet sturdy tracking platform
  • Beginners wanting to spend less time calibrating and more time imaging
  • Backyard observers who want to avoid disturbing their neighbors at night

Who should skip it

  • Deep-sky imagers using heavy triplet refractors or large Cassegrain telescopes
  • Less tech-savvy users who prefer simple and automated software updates
  • Serious enthusiasts requiring absolute rigidity for high-resolution planetary imaging

Performance breakdown

Portability

Remarkably lightweight design makes field deployment effortless for traveling astrophotographers.

Excellent

Tracking Precision

Permanent periodic error correction ensures sharp, long-exposure images without star trailing.

Excellent

Payload Efficiency

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

Excellent

Alignment Ease

Integrated electronic polar finder streamlines setup, saving precious time under dark skies.

Excellent

Build Quality

CNC-machined metal construction provides a rigid, durable foundation for sensitive optics.

Excellent

Connectivity

Built-in Wi-Fi and USB ports offer reliable, modern control options.

Excellent

Key Specs

Mount Type

German Equatorial

Payload Capacity

28 lbs

Mount Weight

10 lbs

Material

All metal, Casting + CNC machined

Finish

Powder coating

Periodic Error

<±12 arcsec

Motor

1.8º stepper motor, 128X microdivision

Power Requirement

12V DC, 5A

Tripod

1.5 inch Stainless Steel

Connectivity

Wi-Fi, USB, ST-4 autoguide port

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iOptron GEM28 Equatorial Mount

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