Introduction For those who don't need -- or can't afford -- the higher resolution of the multi-megapixel cameras mentioned elsewhere in this section, a number of vendors offer less expensive, lower resolution models -- and, of course, there are always used and discontinued models available for those who don't need the latest and greatest. In this report, we'll look at some of the decisions facing those considering a new or used "bargain."
At almost any discount electronics store, you'll find big-name digital cameras and, alongside them, models from less well-known manufacturers. Generally, these no-name digital cameras suffer from poor optics and inferior electronics. You're also more likely to encounter compatibility problems or support problems. You're better off going with "last year's model" from one of the big manufacturers than a no-name vendor.
What About Used? Buying a used digital cameras is a bit risky, too. Support for older models is notoriously bad. Casio, for example, no longer offers downloadable drivers to owners of some of its older cameras, such as the QV-770, and some models aren't compatible with the latest OS releases for Windows (which, fortunately, the QV-770 is, thanks to Windows XP's built-in WIA driver) and/or the Mac.
There's also the possibility that something could go wrong on the camera. Proprietary rechargeable batteries wear out and replacements may no longer be sold. Your next PC or Mac may not (and in fact, probably won't) have an RS-232 or RS-422 serial port for connecting older serial-cabled cams. Our not-so-old Fuji 2700 camera's flash burned out after only a year; these and other problems are fairly common.
With that said, we think a 2-megapixel camera is just fine for most casual photo-buffs. If you can find a cam with removable Flash memory (and hopefully USB, too) in this range that is supported by Windows XP or Mac OS X (and, of course, the operating system you use now!), it's probably going to be supported for several years moving forward. As a general recommendation, we'd say: if it's not on Microsoft's and Apple's lists of supported cameras, it's probably not a good choice.
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