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Extension Tubes

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  1. Explore Scientific - Rack and Pinion Focuser 2" Extension Tube

    Explore Scientific - Rack and Pinion Focuser 2" Extension Tube

    2" Extension tube for Explore Scientific Rack and Pinion focusers.

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    Model#: ESRPEXT2
    $21.99

  2. Explore Scientific - Rack and Pinion Focuser 1" Extension Tube

    Explore Scientific - Rack and Pinion Focuser 1" Extension Tube

    1" Extension tube for Explore Scientific Rack and Pinion focusers.

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    Model#: ESRPEXT1
    $18.99

  3. Explore Scientific - 5x Focal Extender 1.25" Barrel - 4 Elements

    Explore Scientific - 5x Focal Extender 1.25" Barrel - 4 Elements

    Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.

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    Model#: FE05-125
    $115.99

  4. Explore Scientific - 2x Focal Extender 1.25" Barrel - 4 Elements

    Explore Scientific - 2x Focal Extender 1.25" Barrel - 4 Elements

    Provides excellent control of chromatic and spherical aberration, and a flatter field-of-view compared to standard barlows.

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    Model#: FE02-125
    $99.99

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