What's the difference between optical zoom and digital zoom?

It's important to understand this difference, as you could end up mighty disappointed with the results if you get one rather than the other. Optical zoom is similar to what you'll find in a regular 35mm camera: When you push the button to zoom in or out, physical lens elements move inside the camera, to achieve the desired effect.Digital zoom, on the other hand, has no moving parts. Using the "electronic brain" within the camera instead, the camera takes a look at what it's "looki ...

What kind of camera do I need to print out a 4 x 6 inch image or a 8 x 10's?

Most, if not all, cameras have several image quality settings to choose from. They are first broken down by resolution (e.g. 2048 x 1536, 1600 x 1200, 1024 x 768, etc) and then by quality (e.g. SHQ, HQ, SQ). What's the right one to use?The deal is this: quality is inversely proportional to the amount of JPEG compression the camera uses. Thus, a higher quality image will have less compression, and vice versa.High quality, low compression           Low quality, high compressionAs you lower the qua ...

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