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  1. Tele Vue 3X Barlow for 1.25" eyepieces

    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 . . .
  2. Explore Scientific 2" 3x Focal Extender (Barlow)


    Increase your eyepiece magnification by 3x

    2" barrel diameter

    Keeps eyerelief consistent

  3. Explore Scientific 3X Barlow for 1.25" eyepieces

    This new four-element 1.25" 3x Explore Scientific focal extender (Barlow lens) triples the power of any eyepiece used with it, with flat-field and essentially apochromatic performance . . .
  4. Celestron X-Cel LX 3x 3-element Barlow for 1.25" eyepieces

    The high-end performance of this 3x 1.25" Celestron X-Cel LX three-lens air-spaced fully multicoated Barlow may surprise you at its very reasonable price . . .
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