Main Features: Full-frame 24–70mm zoom lens Canon RF mount Constant f/2.8 maximum aperture Aperture range f/2.8–f/22 Optical image stabilization up to 5 stops Fast and nearly silent Nano USM autofocus Minimum focusing distance of 21 cm Rounded 9-blade diaphragm Dust and moisture-resistant construction Customizable control ring 82 mm filter thread Weight 900 g