Noise is a fundamental component of confocal images, a result of discreet digital sampling of continuously emitting photons from samples. The contribution of noise to image quality (signal-to-noise ...

Cynthia Sass is a nutritionist and registered dietitian with master's degrees in both nutrition science and public health. Frequently seen on national TV, she's Health's contributing nutrition editor ...

Nikon has announced the Nikkor Z 24-105mm F4-7.1, a budget zoom lens for its full frame cameras. It's designed to be lightweight and relatively compact, despite its relatively versatile focal range.