Depth of Field is the perceived sharpness of focus across multiple regions of a photo. The photo to the right has a narrow depth of field in that only a small portion of the overall picture (the budding tree stem) appears in focus while the background is blurred. This relative sharpness makes the viewer focus on the subject while providing context and fill to the rest of the frame. Cognitively the viewer assumes that the background is farther (deeper) in the distance giving

Every Spring the cherry blossom trees around the tidal basin near the Jefferson Memorial burst into color in an amazing display that attracts over a hundred thousand tourists (and thousands of photographers). Washington DC hosts the National Cherry Blossom Festival to celebrate the end of our long Winters. The trees were a given by the Major of Tokyo, Japan to the district in 1912 in recognition of the growing friendship between the United States and Japan and also celebrate