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 ...

To capture sharp, detailed close-up images, you need to focus with pinpoint accuracy and carefully consider the depth of field. While there will be occasions when you want to use a shallow zone of ...

Leaker confirms iPhone 18 Pro series could feature a variable aperture lens, enhancing depth-of-field control. Pro Max may be ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

“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 ...