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This extension ring is specifically designed for Celestron NexStar4, C90, and Meade ETX telescopes. It may not be compatible with other telescope models.
The included 1.25" filter holder adds to the functionality of the extension ring, allowing you to use different filters for enhanced astronomical observations.
Yes, the 2" ETX Extension Ring converts the NX4 straight male thread into a 2" SCT male thread, making your telescope compatible with a wide range of 2" eyepieces and other accessories.
Yes, the 2" ETX Extension Ring is designed for easy installation. However, always refer to your telescope's manual to ensure correct setup.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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2.5mm (0.10")
Changes NexStar 4 outer thread in the standard 2" SC-thread of all SC-telescopes
28mm
56mm
Thread, M28,5, 1,4"(35mm)
Thread, T-2 (M42 x 0,75)
Thread, 2"
Celestron NexStar4, C90 and Meade ETX Telescope
0.056kg (0.12lbs)
You can enhance your stargazing experience with the durable 2" ETX Extension Ring, specifically designed for Celestron NexStar4, C90, and Meade ETX telescopes. This high-quality accessory is expertly crafted to convert the NX4 straight male thread into a 2" SCT male thread, expanding your telescope's compatibility with a wide range of 2" eyepieces and other accessories.
This sturdy and reliable extension ring is not just a simple adapter; it's a versatile tool that opens up a world of possibilities for your astronomical observations. Included with the extension ring is a 1.25" filter holder, adding to its functionality and versatility.
Whether you're an amateur astronomer or a seasoned professional, this extension ring is an essential addition to your telescope setup. It's designed to withstand the rigors of regular use, ensuring that you can explore the cosmos with confidence and precision.
Remember, the universe is vast and filled with wonders. With the 2" ETX Extension Ring for Celestron NexStar4, C90, and Meade ETX telescopes, you're one step closer to bringing those celestial bodies into clear, breathtaking view.