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Amazon.com : SVBONY Barlow Lens 2X 1.25 inch Metal Fully Blackened Telescope Accessory with M42x0.75 Thread Camera Connect Interface for Telescope Eyepieces for Astrophotography : Electronics
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Amazon.com : SVBONY Barlow Lens 2X 1.25 inch Metal Fully Blackened Telescope Accessory with M42x0.75 Thread Camera Connect Interface for Telescope Eyepieces for Astrophotography : Electronics
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Amazon.com : SVBONY 2X Barlow Lens with M42 Thread and Telescope Camera Adapter Kit for Canon EOS Rebel SLR DSLR : Electronics
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Eyepiece projection or barlow when using DSLR for EAA? - Electronically Assisted Astronomy (No Post-Processing) - Cloudy Nights
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Amazon.com : SVBONY Barlow Lens 2X 1.25 inch Metal Fully Blackened Telescope Accessory with M42x0.75 Thread Camera Connect Interface for Telescope Eyepieces for Astrophotography : Electronics
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