ef-mount lens/full-frame format
aperture range: f/2.8 to f/32
one fluorite element & five ud elements
air sphere coating
ring -type ultrasonic motor af system
optical image stabilizer
internal focus, focus range limiter
weather-sealed design, fluorine coating
detachable, rotatable tripod collar
rounded 8-blade diaphragm
one of the most versatile lenses available, the ef 70-200mm f/2.8l is iii usm from canon is an l-series telephoto zoom distinguished by its bright design and advanced optics.
''it's my pleasure to serve you better''
just call me