Canon EF 20-35mm f/3.5-4.5 USM

This lens has a nice feel and build, and a fast and accurate AF. But the IQ never could convince me. As a wideangle I used it for landscapes and cityscapes, and found the contrast and colors to be lacking. Also straight lines in the middle of the frame got distorted.

build; AF

contrast; distortions; range

Canon EF 20-35mm f/3.5-4.5 USM - Review / Test Report

The optical construction is made of 12 elements in 11 groups without any special elements. Its aperture mechanism features just 5 aperture blades so a pleasing bokeh was probably not on the design priority list nor is it really needed for the majority of applications of such a lens.

Canon EF 20-35mm f/3.5-4.5 USM Lens Review

Canon EF 20-35mm f/3.5-4.5 USM, released back in mind 1993, replaced Canon's EF 20-35mm f/2.8L USM as a consumer-grade variant (the original 20-35mm f/2.8L USM was in turn discontinued in favor of EF 17-35mm f/2.8L USM).