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Description
iOptron GEM45G Equatorial GoTo Mount with iGuider & TripodDescription 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 the CEM series, iOptron were able to remove unnecessary bulk giving the GEM45 an incredible 2. 8 payload to mount weight ratio. This compact 15. 8lb mount can precisely GOTO
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 the CEM series, iOptron were able to remove unnecessary bulk giving the GEM45 an incredible 2.8 payload to mount weight ratio. This compact 15.8lb mount can precisely GOTO an object and track with up to 45lbs of gear onboard.
- With its integrated electronic polar scope (iPolar), 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 new, patent pending Universal Self-Centering Saddle (USCS) accommodates Losmandy and Vixen style dovetail plates.
- GEM45 mounts utilize reliable stepper motor drive systems with low power consumption technology.
- A 212,000+ object library with star identification, GPS, optional Wi-Fi (requires iStarFi adapter) are a few of the desirable features standard on a GEM45 mount.
The mount comes with the LiteRoc 1.75" tripod delivers rock solid stability in a lighter, more compact package. It also has improved leg cuffs and sockets for more rigidity and redesigned leg lock levers.
Specifications
Capacity |
|
| Max. additional load capacity (kg) | 20 |
| Counterweight(s) (piece) | 1 (5kg) |
| Interfaces | USB |
| Language | English |
| Polar elevation setting (°) | 14 - 68 |
| Mounting saddle | Losmandy & Vixen |
| DEC ball bearings diameter (mm) | 68 |
| RA ball bearings diameter (mm) | 68 |
| DEC worm gear diameter (mm) | 110 |
| RA worm gear diameter (mm) | 110 |
| Worm gear teeth (DEC) (piece) | 216 |
| Worm gear teeth (RA) (piece) | 216 |
| DEC worm shaft diameter (mm) | 17 |
| RA worm shaft diameter (mm) | 17 |
| RA axis diameter (mm) | 45 |
| DEC axis diameter (mm) | 45 |
| Diameter of counterweight bar (mm) | 28 |
| Long counterweight rod (mm) | 280 |
| Weight mount head only (kg) | 7,2 |
| Slow-motion azimuth adjustment | +/- 6 |
| Input voltage | 12 |
| Amperage (A) | 5 |
| Stepper motors | 1.8°/128 micro-steps |
| Cable-guide | internal |
Special features |
|
| GoTo system | yes |
| Handcontroller | yes |
| Level | yes |
Equipment |
|
| Tripod <p> | Tripod |
| Carrying case | yes |
| Pole finder | yes |
| Power pack | yes |
Tripod |
|
| Tripod leg diameter (mm) | 45 |
| Tripod material | Steel |
General |
|
| Series | GEM |
| Type | Mount |
| Type of build | Equatorial |
GoTo control |
|
| Precision | +/- 7 |
| GPS | yes |
| WIFI | optional |
| PEC correction | yes |
| Polar Alignment | iPolar |
| GoTo Language | English |
| Software | Go2Nova 8407 |
| Autoguiding | iGuider |
| Interfaces | Autoguider, USB |
| Database | 212.000 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Most durable ball!
Size: Medium
This are my dogs fav ball 😍 they last forever!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
★★★★★ 4
Chuckit medium rebound balls
Size: Medium
My 8 month old German shepherd dog loves these balls. They are easy to throw, they bounce great, they are very chewable! She keeps one in her mouth most of the time. It satisfies her need to chew and she does not chew other things. She drops it in the water and lets the hole fill up and drinks that way. The only problem that has caused is suction in her mouth and difficulty in dislodging it for her. However, she would be lost without it!
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Reviewed in the United States on April 19, 2023
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
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Reviewed in the United States on September 25, 2025
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Great toy to play fetch with the dogs.
Color: Black/White, Size: Large
These balls are a great dog toy to play fetch with your dogs. This not the first ball I have gotten for the dogs. Just the right size and weight for medium sized dogs. I have less concerns about them possibly choking on these soccer balls versus tennis balls. So I can leave them out for them to play with. The are easy to inflate using the included pump. My only concern is the durability of the straps as my dogs have almost torn off one the straps of the previous ball I purchased.
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Reviewed in the United States on May 2, 2026