Of course covering an old satellite dish with mylar or aluminum tape doesn’t take much skill, however cool it is. [Uwe] came up with a much more technical means of building a Fresnel reflector ...

Fresnel lenses are specialized optical components with grooved surfaces instead of traditional curved ones. Owing to their unique design, Fresnel lenses are thin and lightweight, typically have short ...

Cylindrical lenses are commonly used to change an image's aspect ratio or shape a laser beam. Fresnel lenses consist of thin, lightweight plastic sheets marked with a series of concentric grooves.

Craft foam board was cut, bent, glued and duct taped to form a box about the same size as the LCD screen which is also secured to the box with duct tape ... A Fresnel lens inserted in between ...

Although wasteful from an energy efficiency standpoint, it’s optically useful behind a Fresnel lens. An incandescent lamp at full flood (when the lamp is closer to the lens), allows the light to cover ...

Plumber’s tape is known by a variety of names—Teflon tape, thread tape, or PTFE tape—but regardless of what you call it, this type of plumbing tape is essential for ensuring clean ...

Image courtesy Meta To hit that magical $300 price point (128GB model) though, it’s relying on older Fresnel lenses as well as a the same resolution displays as Quest 2. At least in terms of ...

The only concern is HTC’s use of Fresnel lenses. While most new VR headsets use pancake lenses, Fresnel is an older optical system that looks like stepped ridges etched into the lens.

However, Meta tells us it’s about 20% slimmer even if it does boast fresnel lenses. This might not immediately look like the most exciting VR headset announcement compared to the Apple Vision ...

And for good reason—Quest 3S uses the same display and same lenses as Quest 2. Fresnel lenses return to Quest 3S, and I can’t say I missed them | Photo by Road to VR There’s no getting ...

Looking for the most convenient way to get your contact lenses without leaving home? These are the best places to buy contacts online. Nasha is a Managing Editor for CNET, overseeing our sleep and ...

The best iPhone lenses can improve the photographic skills of even the latest and greatest Apple smartphones. Whichever iOS device you own, the best iPhone lenses can improve your photography ...