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Determining the Resolution of the Camera you need**
Once you know what you will use a digital camera for, the next step is to determine the resolution of the camera that you need for that particular use.
Digital cameras now come in five different resolutions, expressed in megapixels. The higher the resolution of the digital camera, the larger photographs it will be able to take. Remember, resolution means nothing in the terms of quality. Instead, it's all about the size of the image.
So, what digital camera resolution is right for you? It depends on what you will be doing, of course! Here's a breakdown on the uses of the different resolutions of digital cameras (expressed in megapixels) that are currently available.
*** * 1-megapixel digital cameras - ***Maximum picture size is 1024x768. This camera is fine for posting images to the internet, for viewing images on a computer screen and is perfect for emailing photos to friends and family. These cameras are fine for printing images up to 5 x 7 inches in size. As a side note, these cameras are really not being made anymore - having been replaced by higher megapixel cameras.
*** * 2-megapixel digital cameras - ***Maximum picture size is 1600x1200, which is greater than most resolutions on computer monitors. This camera is an excellent choice for an all around digital camera. It is perfect for posting pictures to the Internet, viewing images on a computer monitor and mailing pictures to friends and family. It can print images up to 8x10 inches size, which is the standard paper size most people print on. A 2-megapixel digital camera is also great for basic graphics work. All pictures on this web site were taken using a 2-megapixel digital camera - and I still use this camera today (2004). As a side note, 2-megapixel cameras seem to be going the way of 1-megapixel cameras and are destined to fade away in the near future.
*** * 3-megapixel to 4-megapixel ***digital cameras - These cameras are currently the most popular digital cameras in the market today - and the most widely available. The prices of these cameras have come down remarkably over the past year - and now sell for for significantly less than what a 2-megapixel camera cost last year. A 3-megapixel camera has a maximum image size of 2048x1536 and will print excellent pictures up to 11x14 inches. A 4-megapixel digital camera will have even larger images and print sizes. These cameras perform all the function of 2-megapixel cameras plus are perfectly suited for professional graphics work. For general all-around use, a 3-megapixel camera is probably the camera of choice - simply because few people will ever use or need the higher resolution found in 4-megapixel digital cameras. That said, the cost difference between a 3-megapixel and 4-megapixel camera isn't that much anymore - as such, it may not be a bad idea to lean toward a 4-megapixel camera if you can afford the slight extra cost so you "have the pixels" in case you later need them!
*** * 5+ megapixel digital cameras - ***There are many digital cameras currently out that have 5-megapixels and more. Unless you are doing professional photography or very high-end graphic work, there is little point in getting these professional level digital cameras. The reason? The photographs produced by these cameras is just so BIG due to their higher resolution that you will inevitably have to scale them down to use them - thus taking away most of the point of getting the camera in the first place. Basically, unless you plan on printing out your images with a size greater than 11x14 inches or are a professional photographer or need one of the specialized functions that come on these high-end cameras, this camera type is overkill for most purporses.