For this week, the numbers challenge will be more conceptual and focus on a branch of mathematics: Geometry.  Many familiar concepts from geometry translate into elements of composition in photography: lines, shapes, repeating patterns, and position. Your challenge this week is to shoot something illustrating geometry.

“Turn Left” by Jeremy Brooks

Shapes, like circles and squares, are probably the most basic representation of geometry in photography.  Buildings and architectural elements with strong lines and angles will make good subjects this week.

“Squares” by Jonanthan Cohen

In many cases, using black and white will draw attention to the shapes and lines in a composition, as in the first two examples. The lack of color brings out the shapes. But color can also make shapes standout. The sharp contrast of the orange lights against black background in the shot below highlights the repetition of circles, and their arrangement on a grid.

“Transformative” by Thomas Hawk

Repetition and patterns are strong compositional elements for photography. Combine that with other elements, like arcs, and the shot becomes entirely about the geometry. The shot below also uses color to emphasize the geometry.

“Geometry” by David Martin

So focus your attention this week on shapes, lines, and patterns.

“hexocular” by Joe

You don’t have to use buildings – lines, patterns, and repetition are around us.

“Crop Lines” by AlwaysBreaking

The rules are pretty simple:

  • Post one original photograph (Your Image) shot each week per theme posted on this blog to Google+Facebook, or Flickr (or all three). Tag the photo #photochallenge.org or #photochallenge2015.
  • The shot should be a new shot you took for the current weekly theme, not something from your back catalog or someone else’s image.
  • The posted image should be a photograph, not a video.
  • Don’t leave home without your camera. Participating in the 2015 Photo Challenge is fun and easy.

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