GEM28 German EQ Mount with AccuAlign and 1.5" Tripod
iOptron
From $1,348.00
2 stores
The iOptron GEM28 is a ultra-portable German equatorial GoTo mount designed for visual observation and astrophotography with exceptional portability—weighing just 10 lbs while supporting up to 28 lbs of payload for a remarkable 2.8:1 mount-to-payload ratio. Featuring the advanced GoToNova GOTO technology with a 212,000-object library, integrated AccuAlign optical polar scope with dark-field illumination for fast polar alignment, and built-in Wi-Fi connectivity, the GEM28 delivers precise pointing and accurate tracking for both amateur and astrophotography setups. The mount utilizes a synchronous belt transmission with stepper motors and encoders for smooth, quiet operation with minimal backlash, making it ideal for compact and portable imaging rigs at higher latitudes up to 70 degrees.
Specifications
| Mount Weight | 10 lb |
| Payload Capacity | 28 lb |
| Mount to Payload Ratio | 2.8 |
| Object Library | 212000 |
| Latitude Range | 10° |
| Motor Type | Dual-axis stepper motors with encoders |
| Tracking Resolution | 0.17″ |
| Drive Gear Diameter | 88 mm |
| Drive Gear Teeth | 144 |
| RA/DEC Shaft Diameter | 30 mm |
| Maximum Slew Speed | 6° |
| Counterweight Included | 10.4 lb |
| Tripod Diameter | 1.5 in |
| Gear Type | Brass worm gears with synchronous belt transmission |
| Hand Controller | Go2Nova 8409 |
| Polar Scope Type | AccuAlign optical polar scope with dark-field illumination |
| Built-in WiFi | ✓ |
| ST-4 Autoguiding Port | ✓ |
| USB Port | ✓ |
| Periodic Error Correction | Recordable PPEC |
| Dovetail Type | Vixen-style |
| Mount Base Diameter | 102 mm |