We don’t talk much about digital zoom because most people recognize that it produces poor results. Sure, at times it can be helpful, especially if you’re working with a smartphone that has a very high resolution sensor, but most of the time, it just leaves you wanting the optical zoom that only a real camera can offer.

But that doesn’t mean we can’t compare digital zooms! In this video, we compare the iPhone 4 with the Inspire 4G (Desire HD) and Samsung Focus. Each are running a different operating system, and each produces different results.

We test the digital zoom with an “eye chart” for the cameras. The camera that could make out the most amount of lines clearly would win. In our test, the Focus did the best job at getting closer to a far away object.

What camera, in your opinion, has the best digital zoom?