Those 20 minutes change you. You start to notice things – how the light shifts almost imperceptibly, how the wind has a ...

Discover how this award-winning travel photographer used light, timing, and Nikon gear to craft a quietly powerful image ...

A depth of field scale is located between the focusing ring and the lens mount. It’s approximately 12 mm wide and marked with aperture settings in one-stop increments. The f/4 mark is unlabelled but ...

The Antiproton Accumulator is a very large aperture storage ring in which antiprotons are collected over a wide momentum range, stochastically cooled and stacked. The optical properties must be ...