The Tecnis Symfony OptiBlue IOL, a violet light-filtering extended depth of focus lens implant, yielded positive vision ...

An international research team led by the Helmholtz-Zentrum Hereon has, for the first time, succeeded in visualizing and ...

CHARLESTON, S.C., June 3, 2025 /PRNewswire/ -- Sales Focus Inc. (SFI), a global leader in sales outsourcing, is excited to announce the release of its latest white paper titled "Why the Human ...

The limited depth-of-field of some cameras prevents them from capturing perfectly focused images when the imaged scene covers a large distance range. In order to compensate for this problem, image ...

The performance of focus metrics in the evaluation of refocused images from light fields is investigated in this paper. To this aim, the paper presents a comprehensive study on the performance of a ...

Deep focus (or deep depth of field, as we would call it today) was dependent on innovations in technology. Faster filmstock and powerful carbon arc lamps enabled Toland to shoot between f8 and f16 ...

Dezeen In Depth is sent on the last Friday of every month and delves deeper into the major stories shaping architecture and design. Each edition includes an original feature article on a key topic ...

In an image, estimating the distance between objects and the camera by using the blur in the images as clue, also known as depth from focus/defocus, is essential in computer vision. However, model ...

Depth of field is quite a science, based around focus distance, circles of confusion, lens apertures and focal lengths. It sounds like an impossible set of calculations, but lens makers managed to ...