In photography, depth of field refers to how much of a three-dimensional space the camera can focus on at once. A shallow depth of field, for example, would keep the subject sharp but blur out much of ...

Question: I recently purchased a Pentax K-r digital SLR outfit that you recommended (two-lens outfit with 18-55mm and 50-200mm lenses) and am very pleased so far. I moved up from a compact and the ...

Two new phones are doing something different with their cameras to create a stronger, more versatile depth of field effect, where the background is blurred around a subject. It’s a complicated ...