EF 70-200mm f/2.8 L IS III USM Canon

• Versatile telephoto zoom designed for full-frame Canon EF-mount DSLRs. It can also be used with APS-C models where it provides a 112-320mm equivalent focal length range.
• Bright constant f/2.8 maximum aperture affords consistent performance throughout the zoom range and offers notable control over depth of field for working with selective focus techniques.
• One fluorite element and five ultra-low dispersion glass elements noticeably reduce color fringing and chromatic aberrations for high clarity and color fidelity.
• An Air Sphere Coating (ASC) has been applied to lens elements to reduce backlit flaring and ghosting for maintained light transmission and high contrast in strong lighting conditions.
• An Optical Image Stabilizer helps to minimize the appearance of camera shake by up to 3.5 shutter speed stops to better enable working in low-light conditions and with slower shutter speeds.
• In addition to the single-shot standard IS mode, a second mode is also available that it optimized for panning.
• A ring-type Ultrasonic Motor (USM), along with an internal focusing system, is employed to deliver fast, precise, and quiet autofocus performance as well as full-time manual focus override.
• Focus Limiter switch lets you constrain the focusing to two different ranges to suit different applications: 3.9'-infinity or 8.2'-infinity.
• Rounded eight-blade diaphragm contributes to a pleasing out of focus quality that benefits the use of shallow depth of field and selective focus techniques.
• A weather-resistant design protects the lens from dust and moisture to enable its use in inclement conditions.
• Additionally, fluorine coatings have also been applied to the front and rear lens elements for further protection against fingerprints and smudging.
• Removable rotating tripod collar is included and benefits working with the lens atop a tripod or monopod.
• Compatible with optional EF 1.4X and EF 2X teleconverters.