ISO Basics: What does this term mean in photography?

iso settings

Photography is a complicated process. It can be broken down into three pillars: exposure, shutter speed, and aperture. To take great pictures you need to know all the different factors that affect your camera’s settings as well as how they interact with one another in order get just what you want!

What is ISO in Photography?

iso settings

The sensitivity of the medium determines how much light is needed. This has been true for glass plates and film, as well as digital sensors today. Earlier on this was expressed in different ways including ASA (American Standards Association) which used to represent a specific number that would be multiplied by another factor related to time or distance depending on where it applied such as 4×4=16ASA(in feet). Now ISO refers more specifically to cameras than anything else with an international standard meaning “International Organization for Standardization.” It started out at 100 but … Read the rest