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General Photography
need some help understanding ISO
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<blockquote data-quote="PavementPilot" data-source="post: 15601" data-attributes="member: 4024"><p>ISO is the film (media) sensitivity to light. The lower the ISO the less grain you get in film, but the slower your shutter speed will be. The higher the ISO, the faster your shutter speed can be, but the more grain you get. </p><p> </p><p>Now that being said, in digital format, ISO is still how sensitive the sensor (media) will be. Just as with film, the shutter speed reacts to the same settings. Just replace grain from film with noise for digital.</p><p> </p><p>Check out a book by Bryan Peterson, Understanding Exposure. It will teach you to understand the exposure triangle. ISO, Shutter Speed, and Aperture (f/stop). It is the best book for understanding the relation of one setting to another, and how to compensate for a change in any one of those.</p></blockquote><p></p>
[QUOTE="PavementPilot, post: 15601, member: 4024"] ISO is the film (media) sensitivity to light. The lower the ISO the less grain you get in film, but the slower your shutter speed will be. The higher the ISO, the faster your shutter speed can be, but the more grain you get. Now that being said, in digital format, ISO is still how sensitive the sensor (media) will be. Just as with film, the shutter speed reacts to the same settings. Just replace grain from film with noise for digital. Check out a book by Bryan Peterson, Understanding Exposure. It will teach you to understand the exposure triangle. ISO, Shutter Speed, and Aperture (f/stop). It is the best book for understanding the relation of one setting to another, and how to compensate for a change in any one of those. [/QUOTE]
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need some help understanding ISO
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