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Made in Taiwan. [Magnification] 2x [Lens] ED Lens 2 Element Airspaced [Sleeve Diameter] 2 inch (50.8 mm) [Coating] Fully Multi-Coated. The frame is also CNC machined with aluminum for a very luxurious look. The lenses are made of luxurious high quality ED (special low dispersion lenses), coated with high-quality full multicoated (fully multicoated) and carefully applied to the top of the product. AstroStreet 2" 2x Barlow Lens 50.8mm Diameter Multi-Barlow lens that can be disassembled to use only the lens or other parts as an adapter.

Objective Lens Diameter: 50.8 Millimeters. Eye Piece Lens Description: Barlow. Brand: AstroStreet. Manufacturer: ?. Date First Available: September 20, 2018. Is Discontinued By Manufacturer: No. Best Sellers Rank: #13 in Telescope Barlow Lenses #746 in Binoculars. Customer Reviews: 3.3 out of 5 stars 11 ratings 3.3 out of 5 stars. Item model number: 462600. : B00LWIYVHC. Item Weight: 15.9 ounces. Package Dimensions: 5.94 x 3.46 x 3.27 inches.