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Film, exposed or not, degrades over time. The warmer the temperature, the faster this happens. With color film, the colors can shift after the expiration date on the box and will be quite noticeable if it's old enough.

For best results you should get film developed as soon as possible, and store unused film in the freezer if possible. However, Consumer film is designed to be able to sit around at room temperature for years without degrading too much. You do want to store your slides and negatives in a cool, dark place. With proper care, slides and negatives can last 100 years or more. NOTE: image density builds up slowly after an exposure. As noted above, this is why it is important to not delay processing. You may get degraded results even if the film is developed before the expiration date.

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16y ago

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