The viral snapshot shows four bright lights eerily stationed just several feet above the Statue of Freedom atop the Capitol ...

A strange light formation over the U.S. Capitol sent social media users into a debate over whether it was UFOs or simple light reflections.

A photo taken by Dennis Diggins of alleged UFO lights over Capitol Hill has sparked online debates. Experts attribute the ...

Sirui says its upcoming lens is the first optic to offer autofocus, anamorphic capabilities in a compact size. The Sirui 40mm ...

Zoom lenses, which contain several elements, tend to introduce more lens flare due to the many surfaces within the lens. See purple fringing and chromatic aberration. THIS DEFINITION IS FOR ...

If you've watched a J.J. Abrams' movie, there's one thing you're always bound to see: Lens flares. They're in his monster movie "Super 8" and they're extremely noticeable in his "Star Trek" movies.

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