Teleconverters provide an affordable way to increase the focal length of a lens – but should you buy one?

Lens flare can range from artistic, dreamy effects to distracting artifacts that degrade image quality, which is the kind of flare DXOMARK studies. Understanding these types of flare helps smartphone ...

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New weather maps show an onslaught of snow and ice hitting the UK in just a few days' time.

Lens flare is a common phenomenon when strong light rays arrive at the camera sensor and a clean scene is consequently mixed up with various opaque and semi-transparent artifacts. Existing deep ...

The best monoculars are perfect for making the most of June's darker skies, and you can expect some big savings this Prime Day.