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Most people might think that photography is math free, that they just have to press a button. While, that's not wrong, you do essentially just press a button, there's a lot of math that goes into taking a picture.
How is math involved in photography?
How is math involved in photography?
It's pretty much in every part or step of taking a photo. From the shutter speed, to just getting the framing right. Now, I know that you might not understand what these terms mean, but we'll get to that, don't worry.
Shutter Speed
Shutter Speed
- Shutter speed determines how much light is allowed in the camera for a certain amount of time
- The shutter speed is measured in fractions of seconds (ex: 1/1000, 1/500, 1/250, etc.)
- In order to have the correct shutter speed, you need to understand geometric sequences, meaning that as you increase the shutter speed, the amount of light let in also increases by a factor of two
Aperture
Aperture
- This adjust the diameter of the lens
- Like shutter speed, the wider the diameter, the more light comes in
- You should have a basic understanding of the area of a circle (pi times radius squared)
F-Stop
F-Stop
- F-stop refers to focal length in relation to the lens diameter
- It controls the sharpness of the depth of field
- different lenses will have different F-stops
As you can see, math is very much a part of digital photography. It's crazy how so many people don't even consider the amount of math involved when taking a picture. You press a button, but before you even lay your finger down, so much math has gone into making sure the lighting and the framing is just right.
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