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This is a good quality 1.25” 2x two-element fully-multicoated achromatic Barlow lens that will double the power of any 1.25" eyepiece. Its short 3” length allows it to be used in the 1.25” star diagonal or focuser of any telescope for a true 2x magnification. If it is placed in front of the star diagonal of a refractor, it provides about 2.5x magnification. A thumbscrew holds eyepieces in place. The titanium-colored body has blackened internal antireflection threading for improved contrast. It can be used with telescopes of any focal ratio. It comes with plastic covers for both ends of the Barlow to keep the optics dust free.
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