Photo: Sony Lens names can be quite complicated, with some brands including every detail about the lens in their name.

How to select the best focal length; Why wide-angle lenses?; Zoom or Prime?; Telephoto lenses; Focal length analysis; All the information you need to select the right lens for landscapes. A focal ...

The Sigma 135mm f/1.4 DG Art is the fastest lens of its type, designed to deliver the best bokeh that money can buy ...

When light moves from air into glass or plastic it is refracted close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ...

Following a recent report mentioning that Apple’s rumored mixed reality headset will feature advanced eye tracking, reliable analyst Ming-Chi Kuo said today in a research note obtained by 9to5Mac that ...