The average digital zoom of low megapixel digital cameras that have been around for a similar time to this camera is 4.1x, and the digital zooms range from 0.71x to 14x. When compared to other comparable spec cameras that were released around the same time as this digital camera, the digital zoom of the Canon EOS-1D Mark II + Speedlite 550EX promo of only 1 times zoom factor is one of the smallest.
We think you might also be interested in some of the alternative 1x digital zoom cameras currently available including the Nikon D3000 + AF-S DX NIKKOR 18-55mm which has better reviews.
If you are looking for a camera with a bigger digital zoom then you might want to consider the Fujifilm XF1 (2x and higher rated), or the Nikon P330 (2x and higher rated).
What does "digital zoom" mean?