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CMS-XML EF70-200mm f/4L USM Specifications
EF70-200mm f/4L USM This high grade telephoto zoom lens responds to the exacting requirements of professionals and advanced amateurs, yet at a reasonable price. One artificial crystal fluorite and two UD (Ultra-low Dispersion) glass lens elements in its optical system eliminate secondary spectrum, which is often the Achilles' heel of telephoto lenses resulting lower picture quality. These elements assure high resolution and high contrast throughout the entire zoom range.
CMS-XML EF28-300mm f/3.5-5.6L IS USM Specifications
Specifications for the EF 28-300 f/3.5-5.6L USM Featuring a new optical design, the lens makes possible a minimum focusing distance of just 0.7 meters throughout the entire zoom range. Other features include a circular diaphragm for improved background blur, and a hardy water and dust-resistant construction, ensuring professional users unfailing performance under even the most grueling of conditions. And, in consideration of the environment, the model uses only lead-free glass elements.