Canon, a leader in photographic and imaging technology, today announces the release of a new flagship to its EX Speedlite range: the Canon Speedlite 580EX. Now Canon's most powerful flash unit, the Speedlite 580EX has a guide number of 58 (m/ISO 100 at 105mm) and an adjustable angle of coverage suitable for wide lenses to 14mm. Replacing the popular Canon Speedlite 550EX, the Speedlite 580EX improves on many specifications of its predecessor, and includes new features to improve digital EOS SLR flash results. These include transfer of colour temperature data to optimise the white balance compensation, and auto-adjustment of the zoom flash position to best compliment the sensor size of the camera to which the unit is attached.
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