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Results tagged with iso
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user 5883
ISO is the measurement of the camera's sensor/film sensitivity to light. It is one of the 3 ways to create a well exposed image (The other two being Aperture and Shutter Speed). Typically, a higher ISO for a correctly exposed image will result in the image being more noisy/grainy.
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Why is high speed (ISO) film more expensive than low speed film?
And why is film much more expensive than paper?
Is it the silver content? Production volume? Does is it take more effort to produce larger grain?
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