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Item #:
242482978
Celestron 94021 Aluminium Telescope Dew Shield with Cover Cap, Fits 8 Schmidt Cassegrain, EdgeHD, and RASA telescopes | 8-inch aluminum cylinder with
90% of respondents would recommend this to a friend
Item #:
242482978
UGX 832369
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What Stands Out
Dew Prevention
The velvet-lined interior effectively prevents dew formation, ensuring clear observations and optimal imaging conditions, enhancing your stargazing experience.
Perfect Fit
Designed to fit 8-inch Schmidt Cassegrain, EdgeHD, and RASA telescopes, this dew shield ensures compatibility and maximum functionality for various astronomy needs.
Durable Construction
Made from high-quality aluminum, this telescope dew shield offers robust protection and long-lasting durability, providing exceptional value for avid astronomers.
Product Details
- Dew prevention shield designed for Celestron 8 SCT/EdgeHD/RASA telescopes
- Made of aluminum material for durability
- Comes with a cover cap for added protection
- Item package dimensions: 18.89L x 15.89W x 15.69H inches
- Item package weight: 6.64 pounds
- Product type: Telescope accessory
| Eye Piece Lens Description | Manual Zoom |
| Mount | Equatorial Mount |
| Focus Type | Manual Focus |
| Finderscope | Reflex |
| Compatible Devices | Fits 8"Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes |
| Focal Length Description | 8 inches (20.3 cm) |
| Zoom Ratio | 20x-60x |
| Additional Features | Integrated Cover Cap and Cable Management Slot |
| Objective Lens Diameter | 20.3 centimeters |
| Item Dimensions D x W x H | 15.75"D x 15.75"W x 15.75"H (40 x 40 x 40 cm) |
| Item Weight | 810 g |
| EU Spare Part Availability Duration | 2 tyears |
| Brand | Celestron |
| Model Name | Aluminum Dew Shield & Cover Cap |
| Age Range Description | Adults |
| Global Trade Identification Number | 00050234940214 |
| Unit Count | 1 Count |
| Manufacturer | Celestron |
| UPC | 050234940214 |
| Number of Items | 1 |
| Built-In Media | Dew shield, two adhesive logo labels |
| Model Number | 94021-CGL |
| Manufacturer Part Number | 94021-CGL |
| Telescope Mount Description | Equatorial Mount |
| Product Dimensions (L x W x H) | 15.75"D x 15.75"W x 15.75"H (40 x 40 x 40 cm) |
Who Should Buy?
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Amateur Astronomers
Ideal for beginners seeking to enhance image quality while reducing dew formation during extended observation sessions.
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Astrophotographers
Perfect for photographers needing to prevent dew on optics, ensuring clear images and better contrast in astrophotography.
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Equipment Protectors
Recommended for users wanting to extend the life of their telescopes by protecting them from moisture and atmospheric elements.
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Non-Telescope Users
Not suitable for individuals without compatible telescopes, as it only fits specific models and types of telescopes.
Product Description
Celestron 94021 Aluminium Telescope Dew Shield with Cover Cap, Fits 8 Schmidt Cassegrain, EdgeHD, and RASA telescopes | 8-inch aluminum cylinder with velvet-lined interior and cable slot for dew prevention, contrast and imaging
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the purpose of the Celestron Aluminum Telescope Dew Shield?
Answer: The Celestron Aluminum Telescope Dew Shield is designed to prevent dew formation on the optics of your telescope. By extending the optical tube and creating a thermal barrier, it minimizes moisture accumulation, ensuring clearer viewing experiences. This is particularly beneficial during night observations when humidity tends to rise, allowing for consistent performance without interruptions. Using this accessory can drastically improve the quality of your stargazing sessions. -
Question:
Will this dew shield fit my 8” Schmidt Cassegrain telescope?
Answer: Yes, the Celestron Aluminum Telescope Dew Shield is specifically designed to fit 8” Schmidt Cassegrain, EdgeHD, and RASA telescopes. It provides a snug and secure fit, helping to enhance your astronomical observations. Ensure proper alignment which allows for effective dew prevention while maintaining optical clarity. Many astronomers find that having the right dew shield becomes essential for longer viewing periods. -
Question:
Is the cover cap included with the dew shield?
Answer: Absolutely! The Celestron Aluminum Telescope Dew Shield comes with a cover cap. This is a vital addition as it protects the interior from dust and scratches when the telescope is not in use. It ensures that your equipment remains in pristine condition, allowing you to start observing quickly without the need for prior cleaning. This feature adds convenience for those who frequently transport their telescopes. -
Question:
How does the aluminum material benefit the dew shield?
Answer: The aluminum construction of the Celestron Dew Shield provides durability and lightweight properties, making it easy to handle while ensuring long-lasting use. Additionally, aluminum's thermal properties help in reducing heat exchange between the air and telescope optics, further minimizing dew formation. This robustness also contributes to a sleek look that many enthusiasts appreciate, making it not just functional but visually appealing. -
Question:
Can the dew shield be used in extremely cold weather?
Answer: Yes, the Celestron Dew Shield is effective even in cold weather conditions. Its design provides an extended thermal barrier, helping to maintain optimal performance regardless of the temperature. This can be particularly important for astronomers who wish to observe deep-sky objects in winter nights, where dew formation can be particularly problematic. Keep in mind it may require slightly longer cooling times for your telescope to reach thermal equilibrium. -
Question:
How do I install the Celestron Dew Shield on my telescope?
Answer: Installing the Celestron Dew Shield is a straightforward process. Simply slide it over the front of your telescope's optical tube until it fits snugly. The design is crafted for a perfect fit, ensuring ease of use without additional tools. It's recommended to install the dew shield before you set up for the night, enabling immediate readiness for your observations once conditions are right. Many find that this can save time during setup. -
Question:
Does the dew shield affect my field of view?
Answer: No, the Celestron Dew Shield is designed to provide a negligible effect on your field of view. Its function is to extend forward without obstructing the optical path, allowing you to maintain clear views of celestial objects. This ensures that you can fully enjoy your experience without compromise. Its shape and function work harmoniously with your telescope's performance. -
Question:
What size telescopes is this dew shield compatible with?
Answer: This dew shield is compatible with 8” Schmidt Cassegrain, EdgeHD, and RASA telescopes. This makes it a versatile accessory for various models within this size category. By ensuring the right fit, it plays a crucial role in enhancing your stargazing session and minimizing dew issues, making it a favorite among many astronomers. -
Question:
Where can I buy Celestron – Aluminum Telescope Dew Shield with Cover Cap in Uganda?
Answer: You can purchase the Celestron Aluminum Telescope Dew Shield with Cover Cap at Ubuy. Ubuy offers a range of telescope accessories, including this dew shield, ensuring you can find the right product to enhance your stargazing experience. Their platform provides a user-friendly shopping experience and readily available delivery options tailored for customers in Uganda.
Celestron Dew Caps 94021-CGL Editorial Review
The Celestron 94021 Aluminium Telescope Dew Shield has generally received favorable reviews from customers, highlighting its effective design and functionality for various Schmidt Cassegrain and EdgeHD telescopes. Users Consistently praise its robust Construction, opting for the dew shield over previous models primarily for its stiffness and ability to withstand some level of abuse. The velvet-lined interior not only aids in dew prevention but also enhances contrast and imaging quality. One of the standout features is the inclusion of a side port, which conveniently accommodates cables required for setups like Hyperstar, allowing enthusiasts to leave their cameras and dew heater rings in place without needing to remove them. The addition of an aluminum cover cap is appreciated as it alleviates the hassle of needing to create makeshift solutions for covering the telescope after use. However, some users voiced concerns regarding its weight, particularly for smaller telescopes like the 8” NexStar, which could lead to balance issues when pointed at the zenith. Despite this, the clamping mechanism generally provides a secure fit, although a few users opted to enhance it further with additional hardware for peace of mind. Overall, while the dew shield has minor drawbacks—especially regarding light leaks around edges that might affect dark frame calibration—the general Consensus is that it is a worthwhile investment for those looking to enhance their observing experiences, especially in dew-prone environments. **
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Pros
- Robust and durable design
- Velvet-lined interior prevents dew accumulation
- Convenient side port for cable management
- Includes a well-made aluminum cover
- Good fit on various SCT models
Cons
- Light leaks around edges may affect dark frame calibration
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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UGX 832369
Order now and get it around Thursday, September 10
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Features & Benefits
- Designed specifically for 8” Schmidt Cassegrain, EdgeHD, and RASA telescopes.
- Made from durable aluminum for lasting use.
- Helps control dew formation on the optics, ensuring clear views.
- Easy to attach and remove with the included cover cap.
- Lightweight and portable for convenient transportation.
- A must-have accessory to optimize your telescope's performance.
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