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08/07/2005 07:47:06 PM · #1 |
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08/07/2005 08:18:56 PM · #2 |
ISO is like "setting the film speed." The way it works is that the analog output from the sensor is amplified more before it's digitized when you turn up the ISO.
When you turn upthe volume on your stereo because the radio signal is weak, you amplify noise too, and the sound is not as clear. This happens with your images as well. Noise increases, dynamic range and detail decrease.
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08/07/2005 08:22:10 PM · #3 |
Put easily, it adjusts how 'sensitive' your sensor is to light.
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08/08/2005 01:16:11 PM · #4 |
It's all about "gain" when it comes to digital cameras.....
But in film - it has to do to granularity.
//en.wikipedia.org/wiki/Film_speed
Message edited by author 2005-08-08 13:16:41.
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08/08/2005 04:20:41 PM · #5 |
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