Lighthouses are far more than tall towers with bright bulbs, they are precision optical systems designed to push light across the horizon. This breaks down how Fresnel lenses concentrate beams, why ...

We breakdown American Optical's newest sunglasses release, the Pilot Blood Moon Aviators. Shop JFK's go-to sunglasses brand, JFK JR style/fashion guide ...

We test and rate scores of digital cameras and lenses each year, from pocket-friendly models to high-end medium format systems. Here's everything you need to know to pick the best camera for you.

Tiny video cameras with multiple ultra-wide lenses capture the entire world around you—all 360 degrees of it. These are the best we've tested. Images, and the devices that capture them, are my focus.

Polarized sunglasses aren't just useful during the summer. Eye production is important year-round, and now is a great time to pick up a pair. You've probably heard the term "polarized" in regard to ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need to ...