Tonight, Canon announced the EF 70-200mm f/2.8L IS III USM and EF 70-200mm f/4L IS II USM lenses. These both include the latest technologies in their categories for improved performance within one of the most popular zoom ranges around.
The Canon EF 70-200mm f/2.8L IS III lens features an Air Sphere Coating (ASC) for better flaring and ghosting control. Other features include the Optical Image Stabilizer with up to 3.5 stops of correction, fluorine coating on front and rear elements to help reduce smears and fingerprints, an inner focusing system with Ring Ultrasonic Motor (USM), one fluorite lens and five UD lenses that help to provide high-image quality, a minimum focusing distance of 1.2m (3.9ft), and a circular eight-blade aperture. This lens features 23 elements in 19 groups.