EF70-200mm f/4L USM The ring USM (Ultrasonic Motor) and inner focusing system achieves high-speed silent autofocusing. Manual focusing, even while in AF mode, is possible thanks to full-time manual focusing mechanism. Extenders EF 1.4 X and 2X can be used with this lens, and the optional Ring Tripod Mount A (W) is being marketed concurrently.
Lenses that support changes in the AF speed USM EF 400mm f/4 DO IS II USM EF 11-24 mm f/4L USM EF 50mm f/1.8 STM EF 35 mm f/ 1.4 L II USM EF-S 18-135mm f/3.5-5.6 IS USM EF 24-105mm f/4L IS II USM EF 70-300 mm f/4-5.6