Description
Innovative ideas applied to a time tested design, the iOptron® GEM45 next generation German equatorial mounts. A sharp looking CNC body is the first indicator the GEM45 is a top quality mount in both form and function.
Utilizing experiences gained during development of our CEM series, we were able to remove unnecessary bulk giving the GEM45 an incredible 2.5 payload to mount weight ratio. This compact 17.5lbs mount can precisely GOTO an object and track with up to 45lbs of gear onboard. With its integrated electronic polar scope (iPolarTM), polar alignment is a snap, even when the pole star is obscured. Large levers on the quick-lock drive engagement system make it easy to snap its drive gears into place even when wearing gloves. There is little chance of your cables getting snagged with the GEM45's internal advanced cable management system. A 6" dual dovetail saddle accommodates Losmandy and Vixen style dovetail plates. GEM45 mounts utilize reliable stepper motor drive systems with our low power consumption technology. Our new LiteRoc 1.75" tripod delivers rock solid stability in a lighter, more compact package. A 212,000+ object library with star identification, GPS, Wi-Fi (requires optional iStarFi adapter) are a few of the desirable features standard on a GEM45 mount.Manual:
Quick Start Guide
Instruction Manual
iPolar Operation Manual
Firmware and Software:
GEM45 Firmware
iPolar Software
FTDI VCP Driver, or go to FTDI Chip website to download the VCP driver
iOptron Telescope ASCOM Driver:
Install ASCOM Driver and Commander
* OTA size and length dependent
** Measured with encoder on the bench, 400 seconds
Utilizing experiences gained during development of our CEM series, we were able to remove unnecessary bulk giving the GEM45 an incredible 2.5 payload to mount weight ratio. This compact 17.5lbs mount can precisely GOTO an object and track with up to 45lbs of gear onboard. With its integrated electronic polar scope (iPolarTM), polar alignment is a snap, even when the pole star is obscured. Large levers on the quick-lock drive engagement system make it easy to snap its drive gears into place even when wearing gloves. There is little chance of your cables getting snagged with the GEM45's internal advanced cable management system. A 6" dual dovetail saddle accommodates Losmandy and Vixen style dovetail plates. GEM45 mounts utilize reliable stepper motor drive systems with our low power consumption technology. Our new LiteRoc 1.75" tripod delivers rock solid stability in a lighter, more compact package. A 212,000+ object library with star identification, GPS, Wi-Fi (requires optional iStarFi adapter) are a few of the desirable features standard on a GEM45 mount.Manual:
Quick Start Guide
Instruction Manual
iPolar Operation Manual
Firmware and Software:
GEM45 Firmware
iPolar Software
FTDI VCP Driver, or go to FTDI Chip website to download the VCP driver
iOptron Telescope ASCOM Driver:
Install ASCOM Driver and Commander
Specifications
| Mount | German Equatorial Mount |
| Max payload* | 45 lbs (20 kg), exclude counterweight |
| Mount weight | 17.5 lb (7.9 kg) |
| Payload/Mount weight | 2.53 |
| Structure Material | All metal, CNC machined |
| Exterior Finish | Anodized red/black |
| Latitude adjustment range | 14º ~ 68º |
| Azimuth adjustment range | ± 6º |
| Tracking accuracy (PE)** | <±7 arcsec |
| PEC | PPEC |
| Period | 400 sec |
| Worm diameter | ?17mm, Brass |
| Right Ascension worm wheel | ?110mm, 216 teeth, zero backlash |
| Declination worm wheel | ?110mm, 216 teeth, zero backlash |
| Right Ascension axis shaft | ?45mm steel |
| Declination axis shaft | ?45mm steel |
| Right Ascension bearings | ?68mm |
| Declination bearings | ?68mm |
| Counterweight shaft | ?28X280 mm, Stainless Steel (1.2 kg) |
| Counterweight | 11lbs (5kg) X1 |
| Motor | Precision stepper motor, 1.8º/128X micro-step |
| Motor resolution | 0.08 arcsec (200 PPS) |
| Transmission | Synchronous belt |
| Hand Controller | Go2Nova® 8407+, 8 line 21 character LCD |
| Star Database | 212,000+, star identification |
| Power | DC 12V, 5A (5.5mm/2.5mm plug) |
| AC adapter | 100V ~ 240V (included) |
| Power consumption | 0.6A(Tracking), 0.9A(GOTO) |
| Power-down memory | Yes |
| Polar scope | Internal iPolar TM electronic polar scope |
| Meridian treatment | Stop (0-20° pass), flip |
| Zero position | Automatic zero search |
| Dovetail saddle | 6" Losmandy-D & Vixe dual saddle |
| Max slew speed | 4.5°/sec (1080X) |
| Guiding port | ST-4 |
| Communication port | USB |
| GPS | Yes |
| WiFi | External (optional) |
| Cable Management | DC12V (3A), ST4,USB |
| Tripod | 1.75" Stainless Steel(~8kg), or optional Tri-pier |
| Hard case | Optional |
| Operation temperature | -10ºC ~ 40ºC |
| Warranty | Two year limited |
* OTA size and length dependent
** Measured with encoder on the bench, 400 seconds
Additional Resources
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