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What Will You Sacrifice For Light?
An Easy Way To Fully Understand Shutter Speed, Aperture and ISO
As you already know, light is the life blood of photography. And if you’ve ventured into the realm of manual settings, then you’ve stood before the abyss of Shutter Speed, Aperture and ISO and wondered: how do these help?
I’ve taught this method to many people and I find it helps because instead of teaching you how, I teach you why. When you learn the how of camera settings, you end up in variations of ideals where study does not help you and end results still surprise you. But when you know why, then there is no situation that you can’t figure out, and no problem you can’t decode.
It is all about what you sacrifice for more light. We’ll go one-by-one:
The Sacrifice of Shutter Speed is Blurriness
The shutter opens and closes, the speed of which is set by your shutter speed. It’s measured in fractions of a second: 1/1000 is one-thousandth of a second. That’s quite fast — fast enough to stop pretty much any normal moving thing. 1/15 is one-fifteenth of a second — much slower than 1/1000th. But as you get that slow, the shutter stays open long enough where moving things will be blurry.
