An 88-400mm equivalent, this is Canon's longest EF-S (digital only) zoom, and roughly the low-cost digital alternative to its 100-400mm f/4.5-5.6L full-frame "white" image-stabilized zoom that's so hot with pros. At $280, street, this 55-250mm is by far Canon's most favorably priced IS tele zoom, with the only glass close to it a 70-300mm IS lens that streets for roughly $550.
Not actually paired in a kit with Canon's 18-55mm f/3.5-5.6 IS starter lens (yet), this is the system's de facto kit telezoom. It's squarely targeted at intermediate DSLR shooters who feel hemmed in by the 18-55mm and crave something longer. While most comparable digital tele-zooms that start at 55mm go to only 200mm (i.e., the Nikon, Sigma, and Tamron), Canon reaches out to 250mm.
This lens replaces the 55-200mm full-framer, a late film-era optic, and boasts a new optical design incorporating a UD element for controlling color fringing and a simpler, less costly IS system. The IS mechanism (the same as in the 18-55mm IS lens) is claimed to produce up to 4 additional stops of handheld sharpness in the 55-250mm. This is the first IS system for Canon that autodetects panning and limits its shake control to the vertical axis.
Julia Silber
more : popphoto
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