The Truth About Digital Camera Image Sensors

If I asked a new camera buyer to describe his or herasked.
new camera to me, I would be willing to bet $100 thatIn the simplest terms, your image sensor is basically the
within the first 3 sentences, I heard the wordreplacement for the film in your old school film
megapixels. I would also be willing to bet $1000, that thecameras. Sounds like a pretty important part of the
word image sensor never comes up in the descriptionequation now doesn't it. Well, your right it is. The image
whatsoever. You may be asking yourself, well whosensor, is basically digital receptors that are sensitive to
cares? In reality, you should if your considering buying alight. Kind of like film was. The thing that makes an
new digital camera. You really need to know whatimage sensor better is size. A bigger sensor, allows for
your getting, and what is the difference betweenhold more receptors, and consequently more pixels.
megapixels and image sensors.Where manufacturers get into problems, is when they
Most people understand, that megapixels affect thetry to cram too many pixels into a image sensor that is
resolution of the pictures they are taking. That higher isnot really equipped to handle it. When this happens you
better, give that the more megapixels you have, thecan actually degrade the quality of your pictures, and
higher resolution of pictures you can take. And why isend up with image distortions in the guise of image
that important? Maybe because they get betternoise. Basically small artifacts that occur throughout
pictures? Well, maybe but not necessarily. Maybeyour image that shouldn't be there.
because we've just been taught that more is better,In summary, more megapixels can be a good thing
so higher megapixels must be a better thing. Well, I'mwhen used with a large enough sensor to handle them.
hear to tell you, that myth is not necessarily true. If fact,So when comparing cameras take both megapixels
it can actually degrade the level of your picture quality,and sensors into account. If you look at two cameras
if your image sensor can't handle the extra pixels.that are 10 megapixel cameras, but one has a sensor
Image sensor you say, what is that? Well, glad youthat is 20% larger, then that is the camera you want.