(C) The head and facial features of a statue may appear differently when captured with different focal lengths. Photos courtesy of James Z. Wang. Image provided by the research team, using tree ...

The depth of field in an image is the distance between the parts that ... Lenses are known by their focal lengths - 14mm, 50mm, 200mm. Their role is to bend the rays of light that enter through ...

Guide to depth of field designed for those new to self-shooting, covering focus, focussing distance, focal length, aperture and sensor. The depth of field in an image is the distance between the ...