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  1. Tele Vue 2.5X Powermate image amplifier for 1.25" eyepieces Tele Vue 2.5X Powermate image amplifier for 1.25

    Tele Vue 2.5X Powermate image amplifier for 1.25" eyepieces

    $228.01
    13 Review(s)
    While not technically a Barlow, this unique new 4-lens 2.5x image amplifier performs the same functions, but at a higher level of optical correction. Barlow lenses have a negative power that diverges field rays, lengthening the effective focal length of the telescope and increasing the magnification. If Barlows are made too short or with too much magnification, the diverging rays can cause severe . . .
  2. 2X Barlow for 1.25" eyepieces Tele Vue 2X Barlow for 1.25

    Tele Vue 2X Barlow for 1.25" eyepieces

    $133.01
    14 Review(s)
    This 2-element Barlow has superb sharpness to match that of TeleVue eyepieces. Despite being "merely" an achromatic system, good design gives it better color correction at the edges of the field than some 3-element "apochromatic" Barlows.

    It is fully multicoated, with blackened lens edges and internal antireflection threading for excellent contrast. Its barrel is threaded for standard 1.25" fil . . .

  3. 3X Barlow for 1.25" eyepieces Tele Vue 3X Barlow for 1.25

    Tele Vue 3X Barlow for 1.25" eyepieces

    $133.01
    5 Review(s)
    If you need a high quality, medium high power Barlow for 1.25" eyepieces, look no further than this TeleVue. It's a 2-lens achromatic design with superb sharpness to match that of TeleVue eyepieces. It is fully multicoated, with blackened lens edges and internal antireflection threading for excellent contrast. Its barrel is threaded for standard 1.25" filters. There's an undercut safety groove in . . .
  4. 2X Barlow for 1.25" eyepieces (includes T-adapter) Celestron 2X Barlow for 1.25

    Celestron 2X Barlow for 1.25" eyepieces (includes T-adapter)

    $57.95
    While this Celestron 1.25" 2x achromatic Barlow can be used visually, it also has T-threads so it can be used as a T-adapter for lunar and terrestrial photography . . .
  5. Astro-Tech 2X Telecentric Extender Barlow for 1.25" eyepieces Astro-Tech 2X Telecentric Extender Barlow for 1.25

    Astro-Tech 2X Telecentric Extender Barlow for 1.25" eyepieces

    $59.95
    1 Review(s)
    This Astro-Tech 2x Telecentric Extender, ie a Barlow, is a great way to cleanly double the power of any 1.25" eyepiece in your collection . . .
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