In 2026, choosing the right equatorial mount with a belt drive system depends on your specific astrophotography needs. 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 exceptional portability and simplicity, perfect for those who want a lightweight, guide-equipped mount for deep space imaging. Each has its tradeoffs: the CGX is heavier and more complex, while the GX35 sacrifices some payload for ease of transport and ease of use.
Get baby and family essentials 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 automation, ideal for astrophotographers with heavier equipment.
- MirroSky GX35 shines in portability and integrated guiding features, suited for mobile astrophotography and beginners with some experience.
- Both mounts use belt drive systems for smooth, precise tracking, but differ significantly in weight, complexity, and user-friendliness.
- Choosing between them hinges on whether you prioritize raw power and automation or lightweight design and ease of setup.
- Both models require some familiarity with astrophotography equipment; they are not purely beginner-friendly options.
| Celestron CGX Computerized German Equatorial Mount & Tripod, 55 lb Payload | ![]() | Best Overall for Serious Astrophotographers | Payload Capacity: 55 lb | Mount Type: German Equatorial | 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 Portable Deep Space Imaging | Weight: 8.8 lb (4 kg) | Payload Capacity: 28.5 lb (12.9 kg) | Guidescope Diameter: 53 mm | 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 is a robust, computer-controlled mount that excels at handling substantial payloads, making it perfect for astrophotography with larger telescopes. Its high-torque servo motors combined with a belt-drive system provide smooth, precise movements, minimizing vibrations during long exposures. The extensive 40,000-object database and NexStar+ hand controller make it highly automated, reducing setup time and increasing accuracy. Compared to the MirroSky GX35, the CGX’s weight and complexity may be overwhelming for beginners, but it offers unmatched power for those ready to invest in heavy gear.
Pros:- High payload capacity (55 lb) supports large telescopes and accessories
- Advanced computerized controls with extensive object database
- Smooth belt-drive system for precise, vibration-free movements
- Suitable for long-exposure astrophotography
Cons:- Heavy and bulky, less portable
- Complex setup process can be intimidating for newcomers
- Higher price point
Best for: Advanced astrophotographers needing high payload capacity and automation
Not ideal for: Beginners or portable users seeking lightweight setups
- Payload Capacity:55 lb
- Mount Type:German Equatorial
- Motor Type:High-Torque Servo Motors
- Drive System:Belt-Drive
- Hand Controller:NexStar+
- Object Database:40,000 objects
Our verdict“The Celestron CGX is a powerful, feature-rich mount best suited for dedicated astrophotographers with heavy equipment and automation needs.”
MirroSky by Spectrum Optical GX35 Smart EQ Mount with Guide-Scope
The MirroSky GX35 stands out for its lightweight, compact design, weighing just 8.8 pounds. Designed primarily for portable astrophotography, it includes a 53mm ED guidescope and a guide camera, making it easier to track faint deep-sky objects. Its worm gear drives and synchronous belt system provide accurate tracking, while the MirroSky app enables remote control and real-time monitoring. While setup is straightforward for those with some experience, complete beginners might find the initial configuration challenging, especially with external power needs. Its payload capacity is modest, so heavy equipment is not ideal.
Pros:- Extremely lightweight and portable
- Integrated guide-scope and camera for deep-sky astrophotography
- Compatible with MirroSky app for remote operation
- Precise tracking with worm gear and belt drives
Cons:- Limited payload capacity (28.5 lb)
- Requires external power source
- Complex setup may challenge absolute beginners
Best for: Mobile astrophotographers and enthusiasts with some experience
Not ideal for: Heavy setups or those seeking maximum automation
- Weight:8.8 lb (4 kg)
- Payload Capacity:28.5 lb (12.9 kg)
- Guidescope Diameter:53 mm
- Camera Sensor:Sony IMX662 CMOS
- Power Input:12V 3A
- Included Counterweight:4 lb (1.8 kg)
Our verdict“The MirroSky GX35 offers a compelling balance of portability and precise guiding, ideal for mobile astrophotographers with lighter gear and some experience.”

How We Picked
Our selection process focused on belt drive equatorial mounts that balance performance, portability, and user experience in 2026. We prioritized models with reliable belt drive systems for smooth tracking and minimal backlash, essential for astrophotography. The payload capacity was a key factor for those planning to mount larger telescopes or cameras. We also considered features like automation, app control, and ease of setup to match different user skill levels. Ultimately, these picks represent a spectrum from high-capacity, feature-rich mounts to lightweight, portable options suited for mobile astrophotography.
Factors to Consider When Choosing Equatorial Mounts With Belt Drive Systems
Choosing the right equatorial mount with a belt drive system involves balancing load capacity, portability, automation, and your experience level. Belt drives are favored for their smooth, backlash-free operation, which enhances astrophotography quality. However, they come with tradeoffs in weight, complexity, and cost. This guide walks through the key considerations to help you match a mount to your specific needs, whether you prioritize heavy-duty performance or lightweight mobility.
Payload Capacity and Mount Type
High payload capacity is essential if you plan to use large telescopes or heavy accessories. The Celestron CGX supports up to 55 pounds, making it suitable for advanced astrophotography with multiple cameras or large scopes. In contrast, the MirroSky GX35’s 28.5-pound limit suits lightweight setups. The mount type also influences stability and tracking precision; German equatorial mounts are generally preferred for long-exposure imaging due to their stable, polar-aligned tracking, especially when combined with belt drives for smooth motion.
Portability and Ease of Use
If portability is a priority, the MirroSky GX35’s lightweight design makes it a standout. It’s easy to carry and set up, ideal for field use or travel. The Celestron CGX, while offering more power, is heavier and requires a more involved setup, which might deter casual or mobile users. Automation features, like app control or built-in goto systems, further influence ease of use—favoring models like the GX35 for those who need quick deployment, versus the CGX for those willing to spend extra setup time for greater control.
Automation and Control
Advanced astrophotographers will value mounts with integrated automation, extensive object databases, and compatibility with control apps. The Celestron CGX excels here, providing extensive computerized features that simplify complex tracking and imaging sequences. The MirroSky GX35, while offering app control, is more manually oriented but still provides reliable tracking thanks to its worm gear and belt drive system. Your familiarity with astrophotography gear and software will influence which features matter most.
Cost and Complexity
Higher-end mounts like the Celestron CGX tend to be more expensive and complex, requiring a learning curve but offering more power and automation. The MirroSky GX35 is typically more affordable and easier to set up for users with some experience, but it is less capable of handling very heavy loads or advanced imaging setups. Budget constraints and technical comfort levels should guide your choice.
Frequently Asked Questions
What is a belt drive system in an equatorial mount?
A belt drive system in an equatorial mount uses a belt and pulley mechanism to transfer motor motion to the worm gear, resulting in smoother and quieter tracking. This setup reduces backlash and vibrations, which are critical for high-quality astrophotography, especially during long exposures. Comparing belt drives to traditional worm gears, they often provide more precise, backlash-free movement, but can add complexity and cost to the mount.
Why is payload capacity important in choosing an equatorial mount?
Payload capacity determines how much weight the mount can support safely while maintaining accurate tracking. Exceeding this limit risks vibrations, misalignment, and poor image quality. For astrophotography, it’s wise to select a mount with a capacity comfortably above your total gear weight to allow for future upgrades and to ensure stable, consistent tracking during long exposures.
Are belt drive systems more reliable than worm gear drives?
Belt drive systems often provide smoother, quieter operation with less backlash compared to traditional worm gears, which can improve tracking quality for astrophotography. However, they may be more susceptible to belt wear over time and typically require more precise assembly. Their reliability depends on build quality and proper maintenance, but they generally offer superior tracking for high-precision imaging when well-designed.
Can beginners use mounts with belt drive systems?
While some belt drive mounts are designed with advanced features and higher complexity, beginner-friendly models do exist. The MirroSky GX35, for example, offers a straightforward setup with integrated guiding and app control, making it accessible for those starting in astrophotography. However, mounts like the Celestron CGX, with more features and heavier weight, may require more technical knowledge and experience to operate effectively.
What accessories are essential for using these mounts effectively?
Key accessories include a sturdy tripod or pier, power supply, appropriate counterweights, and perhaps a dew heater or autoguider for long exposures. For mounts with integrated guidescopes, like the GX35, the guiding camera is included, simplifying setup. Proper polar alignment tools and a control laptop or app are also highly recommended to maximize tracking accuracy and imaging quality.
Conclusion
For those with heavy equipment and a focus on automation, the Celestron CGX provides unmatched capacity and advanced features, making it ideal for serious astrophotographers. Conversely, users prioritizing portability, ease of setup, and deep-sky imaging with lighter gear will find the MirroSky GX35 a compelling choice. Beginners may lean toward the GX35 for its guided app control, but seasoned users aiming for high payloads and automation will prefer the CGX’s robustness and power.
Halloween Picks
halloween
As an affiliate, we earn on qualifying purchases.





