Math in Photography

Taking great photos involves math. Photographers think about angles, lighting, and framing. Camera settings use numbers too. Math helps turn a regular snapshot into an amazing picture.

Framing and Composition

Photographers use a rule called the rule of thirds. They imagine the picture divided into a 3 by 3 grid. Placing the subject along these lines makes the photo look more interesting.

Angles matter too. The angle you hold the camera changes how the photo looks. Looking up at something makes it seem big. Looking down makes it seem small.

Camera Settings

Cameras have settings with numbers. Shutter speed tells how long the camera lets in light. A fast shutter speed like 1/1000 of a second freezes motion. A slow one makes things look blurry.

ISO and aperture are other number settings. Photographers adjust these numbers to get the right brightness and focus. It is all math working behind the scenes.

Fun Facts

• A camera's megapixels tell you how many tiny dots make up a photo. More dots mean a sharper image.
• The rule of thirds divides a photo into 9 equal boxes.
• Panorama photos stitch together many pictures using geometry.

Did You Know?

Digital photos are made of millions of tiny colored squares called pixels. A 12-megapixel camera creates photos with 12 million pixels!