Amazon.com : SVBONY Telescope Barlow Lenses, 1.25 Inch Telescope Accessory, Fully Metal Multi Coated Broadband Green Film Barlow Lens 5X for Telescope Astronomy Eyepiece : Electronics
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APM Telescopes. TS Optics TSB21 1,5x and 2x achromatic Barlow Lens - 1,25 inch
Amazon.com : Barlow Lens 5X, Multi-Coated 1.25" 5X Barlow Lens M42 Thread for Telescopes Eyepiece M42 x 0.75mm Thread T-Adaptor, Can be Attached to DSLR or SLR Camera via a Separate Ring