One of the most striking differences between your iPhone and a large camera like a DSLR is the way the two cameras focus and control depth of field. In a DSLR, depth of field is easy to manage by ...

One of the reasons to move up from a cellphone or point-and-shoot cameras to a DSLR or digital mirrorless one is the ability to exert control over your exposures with the latter. With cellphones or ...

“In optics, there was a problem,” says Amit Agrawal, a physicist at the National Institute of Standards and Technology in Gaithersburg, Md. If you wanted to focus a single lens to two different points ...

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 ...

A new trilobite-like camera lens has been developed, and it offers a feature that is not yet integrated into the mainstream camera devices, such as DSLRs and video cams developed by Sony, Nikon, and ...