Amazon.com : SVBONY 2X Barlow Lens, Doubles The Magnification Telescope Barlow Lenses, 1.25 inch Multi Coated Broadband Green Film Telescope Accessory with M42 Thread for Standard Telescope Eyepiece : Electronics
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Amazon.com : Barlow Lens 2X, Bysameyee 1.25 Inch Fully Multi-Coated Metal Barlow Lens with M42 Thread Camera Connect Interface for Telescope Eyepiece : Electronics
Amazon.com : Telescope Barlow Lenses Kit 2X-3X-5X, 1.25 Inch Telescope Accessory, Fully Metal Multi Coated Broadband Green Film Barlow Lens for Telescope Astronomy Eyepiece : Electronics
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