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Amazon.com : 1.25 Inch Barlow Lens,5X Magnification Aluminum Alloy Multi-Coated Optical Barlow Lens with M42 x 0.75mm Thread,for 31.7mm Astronomical Telescope Eyepiece : Electronics
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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
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EYSDON 5X Barlow Lens 1.25" Metal Fully Coated Focal Length Extender For Astronomical Telescopes With M42
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Barlow Lens 5X 1.25 Inch M42 Thread Fully Multi-Coated Metal Barlow Lens for Telescope Eyepiece Standard Telescope Accessory USGohin : Amazon.sg: Electronics
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