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All-Star Telescope is your source for all things astro from telescopes to astrophotography cameras. Have a question? We'd love to help. Email: info@all-startelescope.com Call Us: (587) 336-6621 Toll Free: 1 (866) 310-8844
Have a question? We'd love to help. Email: info@all-startelescope.com Call Us: (587) 336-6621 Toll Free: 1 (866) 310-8844

Tele Vue 2" Barrel Extension (EBX-2120)

SKU EBX-2120
Original price $47.00 - Original price $47.00
Original price
$47.00
$47.00 - $47.00
Current price $47.00

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The TeleVue 2" Barrel Extension allows the use of 2" filters on TeleVue 2"/1.25" eyepieces such as the 12mm Type 4 Nagler and the new 13mm Ethos.

Description

The 2" Eyepiece Barrel Extender (EBX-2120) increases backfocus distance and provides a mounting location for 2" (48mm) eyepiece filters. It can also help parfocalize eyepiece sets. Extender adds 1.2-inches to the 2" barrel.

Ethos
Models with dual 2" / 1¼" barrels can use the extender.

12mm Nagler Type-4
The EBX-2120 makes the 12mm approximately parfocal with the 17mm and 22mm Nagler Type-4 eyepieces when used in a TeleVue 2" diagonal.

55mm Plössl
Because the field stop is located near the bottom of the chrome eyepiece barrel, you will need to rack your focuser out further, relative to most other eyepieces. If you find that you cannot rack your focuser out enough to achieve focus, we strongly recommend you purchase our EBX-2120. This will make TeleVue's 55mm Plössl eyepiece approximately parfocal with our 27mm Panoptic eyepiece.