The basics of scanning

Written by Granny's Mettle


Continued from page 1

For more colors, and flexibility in adjustingrepparttar brightness and contrast, scanners with a bit depth of 30, 36, 48 and more arerepparttar 107246 equipment you'll need. However, you will spend more money with these things as they are more expensive thanrepparttar 107247 24-bit scanners.

Resolution/DPI is measured in dots per inch (dpi). The dpi tells you how many spots of information are there in a given area. This relates torepparttar 107248 grid of pixels used to represent your images. The higherrepparttar 107249 dpi,repparttar 107250 finerrepparttar 107251 grid of pixels--- resulting to a more detailed image.

If you're going to sendrepparttar 107252 file via email, you have to scan at 150 dpi, or even less. For print output, anywhere from 200 to 300 is appropriate. If you plan to resize your image, a higher dpi will provide you with more detail and clarity.

Another jargon usually associated with dpi is 'interpolated'. This means thatrepparttar 107253 scanner software is creating extra pixels in betweenrepparttar 107254 ones that are scanned.

Others to be considered…

Negatives- One feature that is useful later on isrepparttar 107255 scanner's ability to scan negatives and/or slides. Negatives contain more detail than prints. For great results, you can scan them at 3000 dpi and then enlarge after. However, this kind of scanner is a bit expensive. In addition, you will also need to invest in specialized software to managerepparttar 107256 scans.

Speed- Scanners often show speed in seconds per page for both color and black-and-white. The speed depends on factors such asrepparttar 107257 type of computer,repparttar 107258 dpi setting, andrepparttar 107259 material/image you are scanning. The average specification for a good scanner would be 20 secs/page.

Software- Most scanners come in bundles that includerepparttar 107260 scanner itself andrepparttar 107261 software to managerepparttar 107262 scanning operations. Like any other technological device, some bundles are better than others. You just need to look intorepparttar 107263 specifications that's right for you.

Interface- The interface betweenrepparttar 107264 computer andrepparttar 107265 scanner is oftenrepparttar 107266 USB on either Mac or PC. Exceptions arerepparttar 107267 ScSI or Firewire connectors.

Size- They come in letter size, 8.5 by 11 inches, and legal size at 11 by 14 inches.



Granny's Mettle is a 30-something, professional web content writer. She has created various web content on a diverse range of topics, which includes digital printing topics, medical news, as well as legal issues. Her articles are composed of reviews, suggestions, tips and more for the printing and designing industry.

For comments and inquiries about the article visit http://www.ucreative.com


SCANNING MADE EASY?

Written by Blur Loterina


Continued from page 1

The resolution is measured byrepparttar number of dots per inch (dpi), which is equal torepparttar 107245 numbers of squares of color in an inch. A standard resolution for an image should be 300dpi and 400dpi for images containing text.

In scanning black and white images, resolution is not that important. You will only have to work onrepparttar 107246 contrast. Contrast can be adjusted even after scanning.

For multicolored images,repparttar 107247 difference betweenrepparttar 107248 duplicate andrepparttar 107249 original is very visible. A scanned color image, when printed, has faded and jagged colors. Meaning,repparttar 107250 quality ofrepparttar 107251 image is poor. To, at least, reducerepparttar 107252 problem, adjustrepparttar 107253 resolution of your scanner before you scan. Set your scanner torepparttar 107254 standard resolution. The higherrepparttar 107255 resolution,repparttar 107256 betterrepparttar 107257 quality. But settingrepparttar 107258 resolution can still lead to another problem. It needs a large memory size which means that saving and retrieving require more time.

Scanning helps you edit images but do not expect to have a printed copy better than that ofrepparttar 107259 original. Experiment and enhance your skill in manipulating images.

For comments and inquiries aboutrepparttar 107260 article visit http://www.ucreative.com

You may wonder why I write articles. Besides from the fact that it’s my job, I used to write short stories when I was younger. I think it would be helpful if I said I’m a big fan of Zach de la Rocha and Rage Against the Machine. This would explain my own views about a lot of things. Their songs were about national issues, politics and human rights.


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