Arcturus 2x Short Focus Barlow with built in T Thread
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The Deluxe barlow is only 3 inches long and weighs only 4 ounces! The clear aperture is 27mm. Features a built in T thread allowing easy attachment of your favorite imaging system. Metal body, cemented doublet fully coated achromatic lens, results in high resolution, contrast and color correction. 1.25" brass barrel is threaded for standard filters.