Canon EF 70 - 300mm f4.5-5.6 DO IS Test

An Optical Analysis Using

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In late January 2004 Canon announced two new zoom lenses, the28 - 300mm f3.5-5.6L ISand70 - 300mm f4.5-5.6 DO IS. Neither of these lenses is inexpensive. The DO lens sells for about U.S. $1,500 while the 28-300mm lens has a street price of approximately $2,400. (These are current — May, 2004 — mailorder prices).
Both lenses started shipping in late May and I had an opportunity to use them on location photographing moose and other wildlife as well as landscape in Algonquin Park in northern Ontario. These lenses have also been subject to a bench test usingDxO Analyzer. This is a review of the70 - 300mm f4.5-5.6 DO IS. My review of the28 - 300mm f3.5-5.6L ISis availablehere.
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About Canon Lens Nomenclature
Whenever I publish a Canon lens test report I am asked the meaning of all the letters and numbers in the lens' name. Here is a...