About this product
Model: iop_gem45ec_7603eca_1.75
Part Number: 7603ECA
Next generation design includes a high resolution encoder on the RA axis and a new 'LiteRoc' 1.75" tripod.
The GEM45-EC is the first of iOptron's next generation German equatorial mounts.
Using experience gained during the development of their CEM series, iOptron have removed unnecessary weight resulting in a portable 7.2 kg / 15.8 lb mount with an impressive 2.8 payload-to-mount weight ratio.
An integrated electronic polar scope (iPolar) makes polar alignment a breeze, even when the pole star is obscured.
Ultra-quiet stepper motors and a high resolution encoder on the RA axis provide precise pointing and low periodic error (<0.25 arc seconds rms). Large levers make it easy to engage the drive gears into place, even when wearing gloves.
Integrated internal cable management means there is little chance of your cables becoming snagged and a new, patent pending, Universal Self-Centering Saddle (USCS) accommodates both Losmandy and Vixen style dovetail plates.
Other features include computerised GOTO with a 212,000+ object library (includes star identification) GPS and Wi-Fi (requires optional iStarFi adapter).
FEATURES
- Next generation German Equatorial Mount with high resolution encoder on RA axis
- Realtime periodic error correction (RPEC)
- Low periodic error (<0.25 arc seconds rms)
- Precision stepper motor for precise GOTO and accurate tracking
- Maximum payload of 45 lbs (20 kg) with a mount weight of only 15.8 lbs (7.2 kg)
- Easy to use quick-lock gear clutches
- Integrated iPolar electronic polar finder
- Integrated cable management system
- Go2Nova® 8407+ controller with Advanced GOTONOVA® GOTO Technology and built-in heater
- Integrated ST-4 autoguiding port
- 32-channel Global Positioning System (GPS)
- USB communication port
- Cable management system
- New, patent-pending iOptron universal saddle
- All metal, CNC machined with red/black anodized
- Optional WiFi for mount control via SmartPhone/Tablet/Computer
- All new LiteRoc 1.75" tripod with improved stability and leg locks
- Hard case included
Go2Nova Hand Controller 8407
- 200,000+ object database
- 8 line, 21 character back lit large screen LCD
- Low temperature operation as low as -20ºC
- User friendly interface
- 9 speed slew control with quiet mode
- Large object database
- Serial port for firmware upgrade
What's in the box
Supplied in two boxes.
- GEM45-EC mount head
- CW shaft
- 1x 5kg / 11lb Counterweight
- GO2Nova 8407+ hand controller with cord.
- GPS Module
- RJ11 Cable x2
- RS232-RJ9 Cable
- USB Cable
- Alignment Peg
- 1.75" tripod and accessory Tray
- Hard Case
Specifications
| Mount | German Equatorial Mount |
| Max payload* | 45 lbs (20 kg), exclude counterweight |
| Mount weight | 15.8 lb (7.2 kg) |
| Payload/Mount weight | 2.78 |
| Structure Material | All metal, CNC machined |
| Exterior Finish | Anodised red/black |
| Latitude adjustment range | 14º ~ 68º |
| Azimuth adjustment range | ± 6º |
| Tracking accuracy (PE)** | <0.25 arcsec rms |
| PEC | Real-time PEC (RPEC) |
| Period | 400 sec |
| Worm diameter | Φ17mm, Brass |
| Right Ascension worm wheel | Φ110mm, 216 teeth, zero backlash |
| Declination worm wheel | Φ110mm, 216 teeth, zero backlash |
| Right Ascension axis shaft | Φ45mm steel |
| Declination axis shaft | Φ45mm steel |
| Right Ascension bearings | Φ68mm |
| Declination bearings | Φ68mm |
| Counterweight shaft | Φ28X280 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 |
| 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 | iOptron Universal Saddle, 5" |
| 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 | Included |
| Operation temperature | -10ºC ~ 40ºC |
| Warranty | Two year limited |
* OTA size and length dependent
** Measured with encoder, 400 seconds
Downloads / Manuals
Manual:
iOptron GEM45EC Quick Start Manual
Firmware:
Coming soon
iOptron Telescope ASCOM Driver:
Coming soon
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