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For Canon Full-frame DSLRs
Air Sphere Coating (ASC)
f/4 maximum aperture
Optical Image Stabilizer
Dual Nano USM system
Buy Canon RF 70-200mm f/4L IS USM Lens
Due to its reach and flexibility, the lens is a fresh take on the well regarded focal length, with a sleek and lightweight form factor. Due to the f/4 maximum aperture, it gives a balance between being bright enough and being portable, handholdable design. ASC has been added to reduce backlift flaring and ghosting. Also it contains the control ring which can be used to adjust a variety of exposure settings, including aperture, ISO and exposure compensation.
Constant f/4 maximum aperture affords consistent performance throughout the zoom range.
Four UD (Ultra-Low Dispersion) elements help to minimize chromatic aberrations.
An Air Sphere Coating (ASC) has been applied to lens elements to reduce backlit flaring.
An Optical Image Stabilizer helps to minimize the appearance of camera shake.
Dual Nano USM system utilizes both a ring-type USM and an STM mechanism to realize quick and accurate focusing.
A protective fluorine coating has been applied to the front and rear elements to resist fingerprints.