Here's everything you need to know… Chromatic aberration (also known as color fringing) occurs when different wavelengths of light are refracted at different angles as they pass through a lens ...

The dream of a flat, lightweight telescope lens, where microscopic etchings precisely refract different wavelengths of light, ...

often referred to as ‘bokeh fringing’, which can often be problematic with really fast lenses. Shooting wide-open, you get terrific sharpness and beautifully smooth bokeh in equal measure. There’s ...