Monday, August 31, 2015

ISO the Basics

Old Melbourne Gaol; ISO 100

Old Melbourne Gaol; ISO 400
Let’s start with the acronym, ISO stands for International Standards Organisation. It refers to the industry norm for emulsion based film. In the world of digital photography ISO we are talking about the image sensor instead of film but it is still a measure of sensitivity to light.

ISO 100 is not very sensitive, but the setting many people choose to use. ISO 1600 is extremely sensitive to light.

ISO can be changed quickly and easily on most digital cameras and adds greater flexibility for photographers in all light situations, in addition to shutter speed and aperture settings.

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