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Everybody knows that Stumbleupon is an great source for beautiful photography, nature, pets, arts and much more. They have millions of users and they are probably the most wide used source for finding quality content.
Depth of Field Depth of Field (DOF) is the front-to-back zone of a photograph in which the image is razor sharp. As soon as an object (person, thing) falls out of this range, it begins to lose focus at an accelerating degree the farther out of the zone it falls; e.g. closer to the lens or deeper into the background. With any DOF zone, there is a Point of Optimum focus in which the object is most sharp.
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Our Earth is a beautiful place.
Posted Feb 07, 2011 Up and down Detroit’s streets, buildings stand abandoned and in ruin. French photographers Yves Marchand and Romain Meffre set out to document the decline of an American city.