EF-S17-55mm
f/2.8 IS USM
Concept of development
Feature 1:
Large aperture with maximum aperture of f/2.8
Feature 2:
Ultrahigh image quality
Feature 3:
Image stabilization of about three shutter speeds
Feature 4:
Lens coating optimized for use with digital SLR cameras
Feature 5:
Superb operability
Feature 6:
Environmentally friendly design
EF85mm f/1.2L II USM
Concept of development
Feature 1:
Inheriting excellent optical performance
Feature 2:
Much higher-speed AF
Feature 3:
Circular aperture for attractive bokeh effects
Feature 4:
Lens coating optimized for use with digital SLR cameras
Feature 5:
Superb operability
Feature 6:
Environmentally friendly design
Table 1
Major Specifications
Table 2
Data on Use with Extension Tube