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Amazon.com : Camera Slider Track Dolly Slider Rail System with Motorized Time Lapse and Video Shot Follow Focus Shot and 120 Degree Panoramic Shooting 31" 80cm : Electronics
GVM Professional Brushless 2 Axis Carbon Fiber Motorized Camera Slider (32") - GVM Official Site
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Amazon.com : GVM Motorized Camera Slider, 31" Carbon Fiber Dolly Rail Camera Slider with Time-Lapse Photography, Tracking Shooting and 120 Degree Panoramic Shooting for Most Cameras, with Remote Controller : Electronics