iOptron GEM45-EC - Compact Power and Precision in One Mount
The iOptron GEM45-EC is designed for those who want maximum precision without heavy lugging. This modern German equatorial mount combines power, portability and smart technology in one sleek, CNC-machined design. Perfect for astrophotographers and serious observers who want effortless accuracy.
Strong, light and stable
Weighing only 7.2 kg, the GEM45-EC carries telescopes up to 20 kg. That means you have a robust, vibration-free base for all your observations. The weight to carrying capacity ratio is exceptional - ideal if you are often on the road or shooting in different locations.
Easy and fast alignment
With the built-in iPolar electronic polar finder alignment is easy, even without a view of the North Star. You save time and get an accurate alignment instantly. So you can start observing or photographing faster, without the hassle of manual adjustments.
Ultra-precise tracking - no guiding required
The EC version is equipped with high-resolution encoders on both axes. They correct movements in real time to less than 0.25 arc seconds. This eliminates star trails and keeps your image razor sharp, even at long exposure times. Guiding is simply no longer necessary.
Smart cable management and comfortable use
The internal cable management system keeps everything neat and prevents breakage or knots. Large clamping levers make assembly easy - even with gloves on. The USCS mounting clamp Supports both Losmandy and Vixen saddles, so your telescope is always securely mounted.
Powerful GoTo navigation with GPS
The Go2Nova 8407 hand controller contains a database of 212,000 sky objects. Thanks to the built-in GPS the mount always knows where you are, which improves GoTo accuracy. With the optional iStarFi WiFi adapter you can even control everything wirelessly.
Light but stable LiteRoc tripod
The LiteRoc tripod combines a lightweight design with maximum stability. Legs up to 45 mm in diameter provide rigidity without added weight. Perfect for mobile astrophotographers seeking reliability with every session.
For those who want absolute precision
Whether you're taking deep-sky photos or simply enjoying sharp visual observations, the GEM45-EC always delivers top performance. Accurate, quiet, portable and durable - a mount that grows with you, night after night.
Specifications - General
| Feature | Description |
|---|---|
| Series | GEM45 |
| Type | Equatorial mount |
| Design | German equatorial GoTo mount |
| GoTo control | Yes |
| Accuracy | ±7″ |
| PEC correction | Yes |
| GPS | Built-in |
| WLAN | Optional (iStarFi adapter). |
| Polar alignment | iPolar electronic polar finder |
| GoTo language | English |
| Software | Go2Nova 8407 |
| Encoder | Yes |
Specifications - Capacity & Mechanics
| Feature | Description |
|---|---|
| Max. load capacity | 20 kg |
| Mounting weight | 7.2 kg |
| Counterweight(s) | 1 × 5 kg |
| Mounting saddle | Losmandy & Vixen compatible |
| Pole adjustment | 14° - 68° |
| Azimuth fine adjustment | ±6° |
| Drive type | Wormwheel |
| Motors | Stepping motors (1.8° / 128 microsteps) |
| Input voltage | 12 V |
| Power consumption | 5 A |
| Cable Management | Internal |
Specifications - Drive & Axis Dimensions
| Feature | Description |
|---|---|
| Diameter worm wheel RA | 110 mm |
| Worm gear diameter DEC | 110 mm |
| Teeth worm gear (RA / DEC) | 216 |
| Diameter worm shaft (RA / DEC) | 17 mm |
| RA axis diameter | 45 mm |
| DEC axis diameter | 45 mm |
| Ball bearing diameter (RA / DEC) | 68 mm |
| Counterweight bar | 28 mm diameter, 280 mm length |
Specifications - GoTo & Interfaces
| Feature | Description |
|---|---|
| GoTo System | Go2Nova 8407 |
| Database | 212,000 objects |
| Hand controller | Yes |
| Autoguiding | Yes |
| Interfaces | USB, Autoguider |
| Level | Yes |
Specifications - Tripod & Equipment
| Feature | Description |
|---|---|
| Tripod type | LiteRoc tripod |
| Material | Steel |
| Diameter of legs above | 45 mm |
| Diameter legs under | 38 mm |
| Stability | Very stable, low vibration |
| Pole finder | Yes |
| Transport cases | Yes |
| Tripod weight | Light and portable |
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