Source: Tom's Guide | Keywords: Olympus, DSLR, Hybrids | Themes: Digital Cameras
6. Communications and Batteries
In addition to using the E-420’s USB connection to attach the camera to a computer, you can also use it to attach the E-420 directly to a printer that supports PictBridge. You should exercise caution when connecting a camera directly to a computer via a USB connection to transfer over images, as this activity requires that the camera be turned on and therefore helps drain a camera’s batteries. Removing the storage card from the camera and transferring the images over to a computer using an optional card reader will not only help save the camera’s batteries, but should also result in faster data transfers.
And while we are discussing batteries, we should mention that the E-420 uses a proprietary, Olympus rechargeable battery. In our tests, we took more than 300 photos with a fully charged battery. The E-420 comes with a battery charger, and completely recharging the battery took us between 2.5 to 3 hours. If you think you will be traveling for any length of time with the E-420, we recommend that you purchase a spare battery. We give the Olympus E-420 a 3.5 out of five rating for communications and batteries.
The SP-565UZ uses AA batteries, which can be rechargeable NiMH or Li-ion AA batteries, or a set of disposable alkaline AA batteries. We recommend that you keep at least one or two spare sets of batteries, to ensure that your shooting experience for the day does not end unexpectedly. We found that when using only the electronic viewfinder (and not the larger LCD), we were able to capture more than 300 images on a set of alkaline AA batteries.
Since we did not have an xD card reader available, we had to resort to using the USB cable that came with the SP-565UZ. Using the USB 2.0 connection proved to be straightforward—as one would expect. What surprised us, however, was when we plugged the cable into the USB 1.1 port on our keyboard, not only did the camera immediately turn on and enter into the proper download mode, but the camera disk icon appeared on our desktop with the same speed as it did via the USB 2.0 connection—presenting us with a simple and expedient method to download our images to the computer. This aspect of the SP-565UZ merits a rating of four out of five.
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I use an Olympus E-500 and it works wonderful. While I have not used 420 I can say the the Lenses Available for it are nice lenses
i sell both models. don't forget e-420 is a d-slr, which has a much larger sensor resulting in lesser noise and higher estate of light-accepting element - the seonsor matrix. but it's an enry level model with no image stabilizer, unless you put expensive stablizing optics..
sp565uz is a universal camera with a small sensor but high versatility plus image stabilizer. but the noise levels are usually higher. and it has extremely high iso, but inly in 3mp mode.
Olympus SP-565UZ is NOT a DSLR, its a point and shoot with a huge lens (or a megazoom, if you prefer the term).
i sell both models. don't forget e-420 is a d-slr, which has a much larger sensor resulting in lesser noise and higher estate of light-accepting element - the seonsor matrix.
according to this article the Olympus SP-565UZ is a DSLR as well, which is wrong. that's a pretty silly mistake to make, anyone can tell an SLR from a non-SLR.