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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. When joining eyepieces with dual 2" / 1¼" barrels to the 2" Barrel Extender (12mm Nagler Type-4 shown), remove the lock screw in the 2" barrel section of the eyepiece.
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🇺🇸 Ship from USA · On Agora since 2025
$39.00