In optics, particularly as it relates to film and photography, depth of field (DOF) is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image. Although a lens can precisely focus at only one distance at a time, the decrease in sharpness is gradual on each side of the focused distance, so that within the DOF, the un-sharpness is imperceptible under normal viewing conditions.
Dedicated as a to Esther akawho celebrates her special day on 7/03/11. Please go and wish her all the best
Thinking this goes pretty well with's :thumb215050640:
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