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Item #:
51281973
Celestron Dew Shield with Cover Cap Aluminum Dew Prevention Fits 11 Schmidt Cassegrain, EdgeHD, and RASA Telescope
Item #:
51281973
GMD 17017
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This sturdy lens shade reduces radiative cooling of the Schmidt corrector lens, warding off dew. It also prevents off-axis glare and increases overall image contrast.
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What Stands Out
Aluminum Construction
Durable aluminum design ensures longevity while preventing dew formation, keeping your telescope optics clear for a better viewing experience.
Compatibility
Designed to fit 11” Schmidt Cassegrain, EdgeHD, and RASA telescopes, providing a versatile solution for various telescope users seeking dew protection.
Protective Cover Cap
Includes a cover cap to shield the dew shield when not in use, ensuring optimal preservation and easy transport for on-the-go astronomers.
Product Details
| Focus Type | Fixed Focus |
| Compatible Devices | Fits 11"Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes |
| Additional Features | Velvet-lined interior, cable management, included cover cap |
| Objective Lens Diameter | 279.4 Millimeters |
| Item Weight | 4.99 Kilograms |
| Brand | Celestron |
| Global Trade Identification Number | 00050234940238 |
| Manufacturer | Celestron |
| UPC | 050234940238 |
| Manufacturer Part Number | 94023 |
| Model Number | 94023 |
| Built-In Media | Dew shield, two adhesive logo labels |
| Unit Count | 1.0 Count |
| Special Feature | Velvet-lined interior, cable management, included cover cap |
| Number of Packs | 1 |
Who Should Buy?
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Astrophotographers
Ideal for photographers capturing long exposure images, as it prevents dew from forming on optics, ensuring clearer images.
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Serious Astronomers
Perfect for dedicated stargazers who frequently observe at night, minimizing the impact of dew on their telescopes.
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Outdoor Enthusiasts
Great for astronomers in humid climates or near bodies of water, where dew is commonly a challenge during observations.
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Casual Users
May not be necessary for occasional users who only observe during dry nights, where dew buildup isn't a concern.
Product Description
Celestron Dew Shield with Cover Cap Aluminum Dew Prevention Fits 11 Schmidt Cassegrain, EdgeHD, and RASA Telescope
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How does the dew shield prevent dew formation?
Answer: The dew shield slows down the formation of dew on your telescope tubes. -
Question:
What does the cover cap accessory offer?
Answer: The cover cap keeps dust off your optics when the telescope is not in use and provides a quick way to acquire dark frames for imaging. -
Question:
What is the main benefit of the integrated cable management feature?
Answer: It allows you to corral essential cables at the front cell without compromising light leakage. -
Question:
Will this fit on a nexstar gps alt az fork mounted 11"?
Answer: Older generation Celestron SCTs like the NexStar 11 GPS, built before the year 2006, are not compatible with the Aluminum Dew Shield. These older optical tubes have either a flat face (NexStar GPS) or a ribbed face on the rear cell.
Celestron Dew Caps 94023 Editorial Review
**** The Celestron Dew Shield with Cover Cap is a versatile and well-designed accessory for various telescopes. Customers have lauded its effectiveness in preventing dew buildup on lenses, reducing stray light, and providing protection from external elements. The aluminum Construction ensures durability, and many users have praised its compatibility with different telescope models. The inclusion of a side port for cable management and an aluminum cover has been appreciated by customers, highlighting attention to detail in the product's design. However, some users have reported issues with the dew shield adding significant weight to the telescope, affecting its balance on mounts. There have also been complaints about the grip of the shield not being secure enough, leading to movement or tilting when the telescope is in use. Overall, the Celestron Dew Shield with Cover Cap is a recommended accessory for telescope enthusiasts looking to enhance their viewing experience and protect their equipment. **
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Pros
- Effective in preventing dew buildup
- Reduces stray light and protects lenses
- Compatible with various telescope models
- Durable aluminum Construction
- Includes side port for cable management and aluminum cover
Cons
- Adds significant weight to the telescope
Platform Trust & Buyer Confidence
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“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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GMD 17017
Order now and get it around Thursday, August 20
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Features & Benefits
- Sturdy lens shade reduces radiative cooling and prevents dew formation
- Prevents off-axis glare and enhances image contrast
- Rigid aluminum body ensures durability
- Velvet-lined interior absorbs stray light for optimal contrast
- Easy and secure attachment to telescope
- Integrated cable management for organized setup
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