Canon EF 16-35mm f/2.8L III USM Lens

Canon EF 16-35mm f/2.8L III USM Overview Characterized by a revamped optical design the EF 16-35mm f/2.8L III USM from Canon is a workhorse wide-angle zoom and member of the well-regarded L-series of lenses. Featuring a series of specialized elements this lens utilizes a trio of aspherical elements and two ultra-low dispersion glass elements to control a variety of aberrations for high sharpness and clarity. Both SWC and ASC coatings have also been applied to the elements in order to reduce lens flare and ghosting for increased contrast and color accuracy. Complementing its optical prowess a ring-type Ultrasonic Motor offers fast smooth and near-silent autofocus performance which is further benefitted by full-time manual focus operation and an internal focusing design. The lens is both water and dust-resistant and fluorine coatings have also been applied to the front and rear elements to protect against fingerprints and smudges from affecting image quality. The UX UV filter with newly added water repellent coating is a redesign of the HMC UV filter now integrated into the new entry class UX series along with the CIR-PL Slim filter. The UX UC filter is a completely new concept design product targeting the entry class users and providing high quality standards with basic and contemporary functions. “UX” in the series name stands for “User eXperience” as to indicate all the experiences that users will acquire through using these filters and all that comes with. Though not visible to the naked eyes UV rays may affect the image when shooting in locations like seaside or mountainous environments resulting in blurred contours or faded and whitish images. UV filters can suppress the UV spectrum contained in daylight that mainly causes poor effects on the images. This filter can be used with both film and digital cameras and assures more vivid images. In addition by keeping it constantly attached this filter serve as everyday lens protection.Constant f/2.8 maximum aperture offers consistent performance and excellent light transmission throughout the zoom range.
Two ultra-low dispersion elements are used to minimize chromatic aberrations as well as eliminate color blurring around the edges of subjects.
As a member of the esteemed L-series this lens is sealed against dust and moisture for working in inclement environmental conditions.