ISO

ISO (International Organization for Standardization)

ISO is the standard for the category of films that are used to indicate major film's sensitivity to light.

The smaller the ISO number, the lower the sensitivity to light.

Light sensitivity is a priority in the shooting.

Usually when we want to take pictures in bright light, the atmosphere, we are encouraged to use ISO100 film or film with low speed.

Size of  ISO on the film there are different types of size : 
25-50-100-200-400-600-800 and 1600.
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