Stepping Motor: The RF50mm F1.8 STM lens uses a gear-type stepping motor to provide smooth and quiet autofocus when shooting both still and video, so focusing appears seamless while following a subject with Servo AF, or Movie Servo AF.
Canon RF 50mm f/1.8 STM Lens
Canon RF 50 STM 50mm F/1.8 Lens
Sigma 18-50mm F2.8 DC DN | C lens Canon RF Mount
Sigma 18-50mm F/2.8 DC DN Contemporary (for Canon RF / APS-C) -Near Mint- #177
Canon RF 28-70mm f/2.8 IS STM Lens (Canon RF)
(Open Box) Canon RF-S 55-210mm f/5-7.1 IS STM Lens (Canon RF)
