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Digital
Cameras
These are indeed exciting times concerning new technology.
The digital imaging field is no exception, its seems every two weeks
some
manufacturer is announcing something new.
With all the jargon being thrown about by manufacturers, it's hard
to keep things straight. For this discussion, we'll limit the topic
to STILL digital cameras.
When a digital camera captures an image, it
uses a light sensor located where the film used to be. This sensor
has thousands of pixels on it's surface, the more pixels a sensor
has, the higher the resolution of the file the camera will produce.
The higher the resolution of the file, the higher the image quality.
There are three categories of digital cameras: consumer, "prosumer",
and professional.
The consumer model (this is the one your uncle or cousin probably
has), is great for taking pictures and e-mailing them to someone.
You may also be
able to make a print on an inkjet or laser printer that will look
decent from a consumer digital camera.
A lot of these cameras are writing images directly onto a floppy
disk, or some of the newer ones are using a memory device called
a
"memory stick" which holds more information than a floppy.
We think that consumer digital cameras are great
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for consumers, but they
just don't have files that are big enough to make high quality prints.
Prosumer digital cameras are glorified consumer cameras. Most of them
have file sizes that are similar to consumer cameras.
Professional digital cameras are very expensive (from $10,000 - 35,000),
and provide very high resolution files.
What makes these cameras so expensive is the size and sensitivity
of the light sensing chip and circuitry. With file sizes starting
at 8 megabytes and going up (for one image), these cameras offer
resolution needed for a variety of outputs, that's why they're called
professional digital cameras.
More questions about digital cameras?
Contact
us!
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