Choosing the right equatorial mount with belt drive systems depends heavily on your specific needs, whether it’s portability, payload capacity, or advanced control features. The MirroSky GX35 stands out for its lightweight design and integrated guidescope, making it perfect for deep space astrophotography on the go. In contrast, the Celestron CGX offers robust stability and extensive computerized features, ideal for serious astronomers handling larger telescopes. Both models utilize belt drive technology to minimize backlash and improve tracking accuracy, but they differ significantly in complexity, weight, and price. Understanding these differences can help you select a mount that balances your technical skill level with your astrophotography ambitions.
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Key Takeaways
- The MirroSky GX35 excels in portability and ease of setup, making it suitable for astrophotographers on the move.
- The Celestron CGX provides higher payload capacity and advanced computerized features, ideal for heavy-duty astrophotography.
- Belt drives on both models reduce backlash and improve tracking precision, but complexity varies between the two.
- Weight and setup complexity are tradeoffs for stability and advanced control; choose based on your experience and needs.
- Price points reflect their target audiences: the GX35 is more affordable and beginner-friendly, while the CGX is a premium choice for experienced users.
| MirroSky GX35 Smart EQ Mount with Guide Scope | ![]() | Best for Portable Deep Space Astrophotography | Weight: 8.8 lbs (4 kg) | Payload Capacity: 28.5 lbs (12.9 kg) | Guidescope Diameter: 53 mm | VIEW ON AMAZON | See Our Full Breakdown |
| Celestron CGX Computerized German Equatorial Mount & Tripod, 55 lb Payload | ![]() | Best for Heavy-Duty Astrophotography and Advanced Control | Mount Type: German Equatorial | Payload Capacity: 55 lb | Weight: 108 pounds | VIEW ON AMAZON | See Our Full Breakdown |
| equatorial mounts with belt drive system | Weight | Payload Capacity | Guidescope Diameter | Camera Sensor |
|---|---|---|---|---|
| MirroSky GX35 Smart EQ Mount w | 8.8 lbs (4 kg) | 28.5 lbs (12.9 kg) | 53 mm | Sony IMX662 CMOS (2.1 MP) |
| Celestron CGX Computerized Ger | 108 pounds | 55 lb | — | — |
More Details on Our Top Picks
MirroSky GX35 Smart EQ Mount with Guide Scope
The MirroSky GX35 stands out for its lightweight and portable design, weighing only 8.8 pounds, which makes it highly maneuverable for field use. Its integrated 53mm ED guidescope and Sony IMX662 CMOS guide camera are tailored for deep space imaging, allowing users to capture detailed astrophotos without additional equipment. The belt drive system ensures smooth tracking with minimal backlash, while app control enables remote operation via iOS and Android devices. Compared with larger, more complex mounts like the Celestron CGX, the GX35 sacrifices some payload capacity but gains in ease of transport and quick setup. Its main tradeoff is that setup can be complex for newcomers unfamiliar with astrophotography gear, and it requires a 12V power source.
Pros:- Lightweight and portable for easy field use
- Integrated guidescope and camera for deep space imaging
- App compatibility for remote control
- Supports heavy payloads for advanced setups
Cons:- Complex setup may challenge beginners
- Limited detailed specifications in raw data
- Requires 12V power supply
Best for: Astrophotographers who prioritize portability and quick setup for deep space imaging.
Not ideal for: Users needing to handle large telescopes or those preferring a more straightforward, plug-and-play system.
- Weight:8.8 lbs (4 kg)
- Payload Capacity:28.5 lbs (12.9 kg)
- Guidescope Diameter:53 mm
- Camera Sensor:Sony IMX662 CMOS (2.1 MP)
- Power Input:12V 3A
- Included Counterweight:4 lbs (1.8 kg)
Our verdict“A highly portable, feature-rich mount suited for deep space astrophotographers who can handle a slightly technical setup.”
Celestron CGX Computerized German Equatorial Mount & Tripod, 55 lb Payload
The Celestron CGX is designed for serious astronomers needing substantial payload support and sophisticated control options. Its 55-pound capacity easily accommodates large telescopes and accessories, making it ideal for long-exposure astrophotography. The mount features high-torque servo motors and a comprehensive computerized hand controller with a 40,000-object database, providing guided tours and precise tracking. Its internal cabling and sturdy 2″ stainless steel tripod contribute to overall stability and ease of use. Compared to the more portable GX35, the CGX is heavier and more complex to set up, but it delivers unmatched stability and control for large setups. Its higher price tag reflects its premium build and advanced features, which may be overkill for casual users.
Pros:- Supports large payloads up to 55 lbs
- Advanced computerized control with extensive database
- Remote operation capability
- Sturdy stainless steel tripod for stability
Cons:- Very heavy at 108 lbs, difficult to transport
- Setup can be complex and time-consuming
- Higher cost may be prohibitive for beginners
Best for: Experienced astrophotographers requiring heavy payload capacity and advanced computerized control.
Not ideal for: Beginners or those with limited space and who prefer lightweight, portable mounts.
- Mount Type:German Equatorial
- Payload Capacity:55 lb
- Weight:108 pounds
- Focal Length:41.25 inches
- Dovetail Clamping:All-new dovetail clamping knobs
- Control Software:Included for remote astroimaging
Our verdict“A professional-grade mount ideal for serious astrophotographers handling large telescopes and demanding imaging tasks.”

How We Picked
Our selection process focused on equatorial mounts with belt drive systems that offer a combination of precision, payload capacity, and user-friendly features. We prioritized models with proven belt drive technology to ensure smooth tracking and reduced backlash. Portability, ease of setup, and control options were key factors, especially for amateur astronomers and advanced hobbyists. We also considered the balance between price and performance, selecting options that cater to different levels of experience and budget. Both models in this roundup are widely regarded in astrophotography circles and feature robust construction and reliable belt-driven mechanisms.
Factors to Consider When Choosing Equatorial Mounts With Belt Drive Systems
Selecting an equatorial mount with belt drive systems requires understanding how the technology influences your astrophotography experience. Belt drives reduce backlash and improve tracking accuracy, which is critical for long exposures. Your choice depends on balancing payload needs, portability, control sophistication, and budget. The right mount will enable precise star tracking, minimize vibrations, and support your growing astrophotography skills. Here’s what to consider when choosing between these options.
Portability and Weight
If you often shoot in the field or travel to dark sky sites, a lightweight, portable mount like the MirroSky GX35 makes setup quick and hassle-free. Conversely, larger mounts like the Celestron CGX, with their robust construction and heavier weight, are better suited for permanent setups or observatories where stability outweighs portability.
Payload Capacity and Compatibility
Assess your telescope and accessory weight. The GX35 supports up to 28.5 lbs, enough for many small to medium scopes, while the CGX can handle up to 55 lbs, supporting larger telescopes and heavier imaging gear. Choose a mount that comfortably exceeds your total payload to prevent strain and ensure smooth operation.
Control and Automation
Look at control options—app control, computerized hand controllers, or remote operation. The GX35’s app compatibility offers flexible remote control, but with some setup complexity. The CGX’s integrated software and hand controller provide extensive database access and guided tours, making it more suitable for advanced users who want automation and detailed control.
Price and Skill Level
Budget and experience influence your choice. The GX35 offers a more affordable entry point for those new to astrophotography or requiring portability. The CGX’s premium features justify its higher price for seasoned astronomers demanding high stability and control. Match your budget and skill level to avoid over- or under-investing in equipment.
Frequently Asked Questions
What are the main advantages of belt drive systems in equatorial mounts?
Belt drive systems significantly reduce backlash, which improves tracking precision—crucial for long-exposure astrophotography. They also operate more quietly and generate less gear wear, extending the lifespan of your mount. These advantages make belt drives a preferred choice for serious astrophotographers seeking reliable, smooth tracking over extended imaging sessions.
Is a lightweight mount like the MirroSky GX35 suitable for large telescopes?
The GX35 supports payloads up to approximately 28.5 lbs, making it suitable for small to medium-sized telescopes. However, if your setup exceeds this weight, or if you require maximum stability for large, heavy instruments, a more robust mount like the Celestron CGX would be a better fit. Always match your equipment weight to the mount’s capacity to ensure optimal performance.
How important is app control for equatorial mounts?
App control offers convenience, especially for remote operation or quick adjustments in the field. It allows you to control tracking, slewing, and even perform plate solving without constantly interacting with the mount directly. However, it may require a learning curve and sometimes a stable Wi-Fi or Bluetooth connection, so consider your comfort with technology and your specific workflow.
Can belt drive systems be retrofitted to older mounts?
Retrofitting belt drive systems into older mounts is technically possible but often complex, requiring custom parts and careful calibration. Most modern mounts come with factory-installed belt drives optimized for their gear ratios and control systems. For most users, choosing a mount with a built-in belt drive system is more reliable and cost-effective than retrofitting an existing model.
What features should I prioritize if I’m a beginner?
Beginners benefit from mounts that balance ease of use with reliable tracking. Features like simple setup, integrated control software, and moderate payload capacity are ideal. The MirroSky GX35’s app control and portability make it a good choice for newcomers, provided they’re comfortable with some technical setup. For those preferring a more straightforward experience, a mount with less complex control options might be preferable.
Conclusion
For hobbyists just starting out or those who need portability, the MirroSky GX35 offers a compelling combination of features and ease of transport. Experienced astrophotographers or those with larger telescopes should consider the Celestron CGX for its high payload capacity, stability, and advanced control options. Budget-conscious buyers might opt for the GX35, while professionals or serious amateurs will find the CGX’s robust build and automation capabilities worth the investment. Ultimately, your specific needs, experience level, and equipment size will guide the best choice for your astrophotography pursuits.
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