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Alstar High Power 2 Inch 2X 4-Element Barlow Lens - Bundle with - Telescope LRGB 2 Inch Filter Set

KWD 114
Brand
Alstar
Category
Telescopes
– 1 +

Special Features

  • Zoom In Twice As Much: Without the barlow lens; the planets would appear so small that hardly any detail would be visible; This 2X Barlow Lens doubles the magnification of the telescope's eyepiece without any significant reduction in optical quality
  • Fully Multi-Coating: This Barlow lens utilizes a four-lens design with multiple layers of coating to magnify magnification without reducing contrast; This means that your power-boosted observations will be optimized for sharpness; clarity and brightness
  • Aluminum Case: The housing is machined from aluminium with a high grip rubber armored center section; This high-quality workmanship ensures the longevity of the lens; The interior is matte-finished to prevent light reflection from affecting the image
  • The Alstar LRGB Filter Set comprises four filters: 2 inch luminance Filter; 2 inch Red Filter; 2 inch Green Filter; and 2 inch Blue Filter; this LRGB filter set enables you to combine high-resolution color images with a monochrome CCD camera
  • The luminance filter transmits the entire visible light spectrum while blocking near some invisible light; these three RGB filters signify the three primary colors of red, green and blue; which are able to create a color photo

Description

As its name implies, the High-Power 2" 2x Barlow doubles the magnifying power of any 2" eyepiece, essentially dividing the eyepiece's focal length by a factor of 2. For example: using a 42mm eyepiece in the High-Power 2x Barlow provides the same magnification you'd normally get from a 21mm eyepiece (42 / 2 = 21). Using this simple formula, you can easily determine how each of your 2" telescope eyepieces will perform when inserted in the High-Power 2x 4-Element Barlow Lens. An included 2"-to-1.25" step-down adapter allows use of both smaller 1.25" eyepieces and big 2" oculars with the versatile Orion High-Power 2" 2x Barlow Lens.

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