The X-Cel LX eyepiece body is made of black-anodized aluminum. Turn them in one direction to extend the length, and the other direction to provide a flat surface, preferable to most eyeglass wearers.
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Item Type: Barlow Lens Set. 1 x 5X Barlow Lens(with dust cover). 1 x 2X Barlow Lens(with dust cover). 1 x 3X Barlow Lens(with dust cover). Lens Material: Optical Glass, Aluminum Alloy.
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The magnification produced by an eyepiece depends on the optical system it is used in. For example, a 1000mm scope tube used with a 10mm eyepiece gives 1000/10 = 100x magnification. Used with a 5mm eyepiece gives 1000/5 = 200x.
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The Omni eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte. Each eyepiece in the Omni Series includes a black rubber eyecup. Leave them up or fold them down when wearing.
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Double the magnification of each eyepiece you own with the Omni 2X Barlow Lens. Keep the eye relief of your eyepieces while getting 2X the power.
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Tal 1.25" 2x Barlow.
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Celestron Omni goes through atwo-step anodizing process to prevent reflection from the top eyepiece barrel. It has highly regarded design among all availabe eyepieces. The Omni eyepiece gives a wider field of view.
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Eye relief is the distance your eye has to be from the first lens in the eyepiece in order to see the full field of view. When you use a Barlow lens with an eyepiece, you get the magnification, but the eye relief is not affected.
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