Note: this camera was first sold in
Jan 2008.
There may be newer versions available.
Canon Powershot A590 IS
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HQ Grade: B+
| A | is outstanding and exceptional, rated in the top 10% of digital cameras. |
| B | means they are good, with some standout features. |
| C | means they are mediocre, and probably more trouble than they are worth. |
| D & F | mean they are absolutely awful or old. Avoid at all costs. |
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This camera is ranked
- 21st of 27 in Powershot
- 31st of 82 in Canon
- 20th of 105 in $200 - $300
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| Electronics Club | $284.99 |
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Answered!
February 6, 2009 2:56 PM
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February 11, 2009 1:01 AM
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Well that's not a bad thing. You can always change the size using a photo editor like Adobe Premiere Elements (about $60) or Google's Picasa (free). It's always good to start large and then to make something smaller. And to alter the size of the pictures in camera has it's own problems.
Setting your camera to a lower setting will reduce the image is reduced to a set quality after it has been processed by the CCD. As such, the light still goes through those pixels, only that after some basic processing steps pixels "thrown out" to make the image to the desired setting and size. This process is called "Choking" and that will cause Artifacting and noise. Additionally, you'll also loose details of the recorded image.
Some cameras have written into their firmware a process called "binning," which merges the signals of multiple pixels to make larger pixels. Usually at a 4-1 ratio. This will essentially turn a 8-megapixel camera into a 2-megapixel camera.
Setting your camera to a lower setting will reduce the image is reduced to a set quality after it has been processed by the CCD. As such, the light still goes through those pixels, only that after some basic processing steps pixels "thrown out" to make the image to the desired setting and size. This process is called "Choking" and that will cause Artifacting and noise. Additionally, you'll also loose details of the recorded image.
Some cameras have written into their firmware a process called "binning," which merges the signals of multiple pixels to make larger pixels. Usually at a 4-1 ratio. This will essentially turn a 8-megapixel camera into a 2-megapixel camera.
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John Snider
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April 12, 2009 9:03 AM
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