Amazon.com : Sony E PZ 16-50mm OSS: (SELP1650) Sony E PZ 16-50mm f/3.5-5.6 OSS Lens (Silver) + Pro Starter Bundle Kit Combo - International Version (1 Year Warranty) : Electronics
Amazon.com: DC HOUSE 1000N High Speed 2" inch 50mm Linear Actuator 225 Pound Max Lift with Mounting Brackets for Electric Sofa : Industrial & Scientific
Amazon.com : Nikon AF FX NIKKOR 50mm f/1.8D Lens for Nikon DSLR Cameras : Digital Slr Camera Lenses : Electronics
Befenybay 50mm Effective Travel Length Mini Linear Rail Guide Lead Screw T6x1 with NEMA11 Stepper Motor for DIY CNC Router Parts X Y Z Linear Stage Actuator: Amazon.com: Industrial & Scientific