Canon EF 28 300mm f 3.5 5.6 L IS USM Lens Press Release
CANON EF 28-300mm f/3.5-5.6L IS USM PRESS RELEASE
The Canon Zoom Lens EF 28-300mm f/3.5-5.6L IS USM replaces the EF35-350mm f/3.5-5.6L USM released in 1993. The new lens offers an extended zoom range at the wide-angle end and incorporates an Image Stabilizer (IS), which compensates for approximately three shutter speeds, allowing the handheld capture of shots that would otherwise be blurred by camera shake. The new EF 28-300mm f/3.5-5.6L IS USM delivers high-contrast, high-resolution images for which Canon's L-series is renowned.
A combination of advanced optical technologies, including UD (ultra-low dispersion) and aspherical lenses, work in concert to achieve a high zoom ratio of approximately 11x while effectively correcting for a variety of aberrations that can occur when zooming. 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 gruelling of conditions. And, in consideration of the environment, the model uses only lead-free glass elements.
Optimized for digital
Canon's new EF28-300mm f/3.5-5.6L IS USM and EF70-300mm f/4.5-5.6 DO IS USM lenses were designed to produce exceeding results when paired with digital SLR cameras, featuring optical designs that prevent light reflected from the imaging element from impairing image quality. Also incorporating optimized lens coatings, the models ensure excellent colour balance while minimizing the ghosting and flare that commonly occur when shooting with a digital camera.
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