In 2026, selecting the right equatorial mount with a belt drive system hinges on balancing power, portability, and control. The Celestron CGX stands out for its high payload capacity and advanced computerized features, making it ideal for serious astrophotographers. Meanwhile, the MirroSky GX35 offers a lightweight, portable solution with integrated guidescope and app control, perfect for those on the move. Each has its tradeoffs: the CGX is bulkier and more complex to set up, while the GX35 sacrifices some payload capacity for ease of transport. Here are the top two picks based on these considerations.
Get garden gear delivered free — and shop member deals
- Fast, free delivery on millions of items
- Access to Prime Big Deal Days deals on October 6–7
- Prime Video, Amazon Music and more included
Complete the kit
Key Takeaways
- The Celestron CGX offers high payload capacity and extensive computerized controls, suited to advanced astrophotographers.
- The MirroSky GX35 emphasizes portability and integrated imaging features, ideal for mobile deep-space imaging.
- Belt drive systems provide smoother, more precise tracking but can add complexity and cost.
- Choosing between these mounts depends on priorities like payload, portability, and control complexity.
- Both options incorporate belt drive technology, but their target users differ significantly.
| Celestron CGX Computerized German Equatorial Mount & Tripod, 55 lb Payload | ![]() | Best Overall for Power and Precision | Mount Type: German Equatorial | Payload Capacity: 55 lb | Motor Type: High-Torque Servo Motors | VIEW ON AMAZON | See Our Full Breakdown |
| MirroSky by Spectrum Optical GX35 Smart EQ Mount with Guide-Scope | ![]() | Best for Portability and Integrated Imaging | Weight: 8.8 lb (4 kg) | Payload Capacity: 28.5 lb (12.9 kg) | Counterweight: 4 lb (1.8 kg) | VIEW ON AMAZON | See Our Full Breakdown |
| equatorial mounts with belt drive system | Payload Capacity | Mount Type | Motor Type | Drive System |
|---|---|---|---|---|
| Celestron CGX Computerized Ger | 55 lb | German Equatorial | High-Torque Servo Motors | Belt-Drive |
| MirroSky by Spectrum Optical G | 28.5 lb (12.9 kg) | — | — | — |
More Details on Our Top Picks
Celestron CGX Computerized German Equatorial Mount & Tripod, 55 lb Payload
The Celestron CGX stands out for its impressive payload of 55 pounds and its high-torque servo motors, making it suitable for large telescopes and astrophotography. Its belt-drive system ensures smooth, precise tracking, especially important for long-exposure imaging. Compared with the MirroSky GX35, the CGX’s computerized controls and extensive object database make it more suitable for advanced users who need reliable, automated tracking. However, its weight and complex setup can be a hurdle for portable use or beginners.
Pros:- High payload capacity supports large telescopes
- Advanced computerized controls with a vast object database
- Smooth belt-drive system for precise movements
- Guided tours and custom filters enhance usability
Cons:- Heavy and bulky, less portable
- Complex setup process for newcomers
- Higher price point for advanced features
Best for: Advanced astronomers and astrophotographers needing high payload capacity and extensive control features.
Not ideal for: Travelers or beginners seeking a lightweight, simple-to-set-up mount.
- Mount Type:German Equatorial
- Payload Capacity:55 lb
- Motor Type:High-Torque Servo Motors
- Drive System:Belt-Drive
- Hand Controller:NexStar+
- Object Database:40,000 objects
Our verdict“The Celestron CGX is best suited for serious astrophotographers who prioritize power, precision, and automation, despite its size and complexity.”
MirroSky by Spectrum Optical GX35 Smart EQ Mount with Guide-Scope
The MirroSky GX35 offers a significantly lighter profile at just 8.8 pounds, making it a compelling choice for mobile astronomers. Its integrated guidescope and camera enable deep space imaging without additional equipment, and its belt drives support accurate, smooth tracking. While it sacrifices some payload capacity—limiting heavier setups—it excels in ease of transportation and quick setup. The MirroSky app provides straightforward control via smartphones, appealing to those who prefer a modern, app-based interface over traditional hand controllers.
Pros:- Lightweight and portable design
- Integrated guidescope and imaging camera
- Supports precise tracking with belt drives
- App-controlled for convenience
Cons:- Limited payload capacity for large setups
- Setup can be complex for beginners
- Additional accessories may be needed for full use
Best for: Travelers and amateur astronomers who need a portable, easy-to-use mount with imaging capabilities.
Not ideal for: Users with heavy telescopes or those requiring extensive control features and higher payloads.
- Weight:8.8 lb (4 kg)
- Payload Capacity:28.5 lb (12.9 kg)
- Counterweight:4 lb (1.8 kg)
- Main Gear Teeth:144 teeth
- Power Input:12V 3A
- Guidescope Diameter:53 mm
- Camera Sensor:Sony IMX662 CMOS (2.1 MP, 1/2.8″)
- Mount Modes:Equatorial and Alt-Az
Our verdict“The MirroSky GX35 is best for those prioritizing portability, integrated imaging, and modern app control, yet it limits heavier equipment use.”

How We Picked
Our selection process focused on mounts with belt drive systems that balance precision, payload capacity, and user experience. We prioritized models that incorporate modern belt-drive mechanisms for smoother operation and quieter tracking. Compatibility with astrophotography needs, such as payload support and advanced control options, was essential. We also considered portability, especially for users who travel with their equipment, and evaluated overall build quality and ease of use for both beginners and experienced astronomers.
Factors to Consider When Choosing Equatorial Mounts With Belt Drive Systems
Choosing the right equatorial mount with a belt drive system involves assessing your specific needs—whether you prioritize payload capacity, portability, or control features. Belt drives are favored for their smoother, quieter operation and precise tracking, which are essential for astrophotography. However, they can add complexity and cost. Here’s what to consider when selecting the best mount for your astronomy pursuits.Payload Capacity and Size
Start by evaluating the weight of your telescope and accessories. A mount with a higher payload capacity, like the Celestron CGX, supports larger, heavier setups but tends to be bulkier and less portable. Conversely, lightweight models like the MirroSky GX35 are ideal for smaller telescopes or mobile use but limit the total weight you can carry and mount securely.
Control and Automation
Consider how much automation you need. The CGX offers extensive computerized controls and a vast object database, making it suitable for detailed astrophotography. The GX35’s app control simplifies operation and setup, especially for casual or mobile astronomers, but may lack the advanced features some users require for complex imaging projects.
Portability and Setup
If you frequently travel or set up at different sites, portability becomes a key factor. The lightweight MirroSky GX35 excels here, while the larger CGX requires more effort to transport and assemble. Ease of setup can thus influence your choice based on how often and where you observe.
Budget and Future Expansion
Finally, balance your budget with potential future needs. The CGX, with its higher-end features, generally costs more but offers room for larger telescopes and more sophisticated imaging. The GX35, while more affordable and portable, may require upgrades or additional equipment to match its capabilities for serious astrophotography.
Frequently Asked Questions
What advantages do belt drive systems offer for equatorial mounts?
Belt drive systems provide smoother, quieter, and more precise tracking compared to traditional gear systems. They reduce backlash and gear wear, which improves accuracy during long exposure astrophotography sessions. This makes them highly desirable for users who need consistent, high-quality tracking over extended periods.
Are belt drive equatorial mounts more complex to maintain?
While belt drives generally require less lubrication and maintenance than traditional worm gears, they can be more sensitive to alignment and belt tension. Proper setup and occasional belt adjustments are necessary to maintain optimal performance, especially in mounts used frequently or in varying environmental conditions.
Can I use these mounts for astrophotography?
Yes, both mounts are suitable for astrophotography, thanks to their belt drive systems that enable precise, stable tracking. The Celestron CGX’s higher payload capacity and advanced controls make it better for large, heavy telescopes and long exposures, while the MirroSky GX35 is great for lightweight, portable imaging setups and quick captures.
What should I consider if I want a portable mount?
If portability is a priority, look for lightweight designs like the MirroSky GX35, which can be carried easily and set up quickly. Remember that portability often comes with a tradeoff in payload capacity and sometimes in advanced features, so balance your mobility needs with your equipment size and complexity.
Does a belt drive system increase the cost of an equatorial mount?
Generally, belt drive systems do add to the cost because they involve more precise manufacturing and components. However, this investment results in smoother, more accurate tracking, which is essential for astrophotography. When choosing a mount, consider whether this added performance justifies the expense based on your specific goals.
Conclusion
For those pursuing serious astrophotography or larger setups, the Celestron CGX offers unmatched payload capacity and advanced automation, making it an ideal choice despite its bulk and complexity. Meanwhile, amateur astronomers or mobile users who need a lightweight, easy-to-transport mount with integrated imaging features will find the MirroSky GX35 to be a more fitting option. Your decision should hinge on your priorities: power and precision versus portability and convenience.
Fall Picks
fall essentials
As an affiliate, we earn on qualifying purchases.





