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Backfocus Distance Increase: The 2" Eyepiece Barrel Extender (EBX-2120) is designed to extend the backfocus distance, providing improved versatility for your telescope setup.
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Filter Mounting Capability: This extender offers a convenient mounting location for 2" (48mm) eyepiece filters, enhancing your observational possibilities.
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Parfocalization Aid: Assists in making eyepiece sets parfocal, streamlining the viewing process by reducing the need for frequent focus adjustments.
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Compatibility with Ethos Models: The extender can be used with Ethos models that have dual 2" / 1¼" barrels, expanding the utility of these eyepieces.
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Enhances Nagler Type-4 Eyepieces: Specifically, the EBX-2120 makes the 12mm Nagler Type-4 eyepiece approximately parfocal with the 17mm and 22mm Nagler Type-4 eyepieces when used in a Tele Vue 2" diagonal.
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Optimized for 55mm Plössl: The extender is particularly beneficial for the 55mm Plössl eyepiece, making it approximately parfocal with the 27mm Panoptic eyepiece.
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Extended Focusing Range: Addresses the need for extra focuser travel, especially relevant for eyepieces like the 55mm Plössl with a field stop located near the barrel's bottom.
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Quality Construction: As with all Tele Vue products, the barrel extender is made with high-quality materials and craftsmanship, ensuring durability and reliable performance.
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Easy Installation: Designed for straightforward attachment, enhancing the usability of your eyepieces without complicated setup procedures.
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Versatile Accessory for Observers: An essential tool for amateur astronomers and professionals alike, offering enhanced flexibility and convenience in various observational settings.
