Bright LED headlights can create glare and reduce visibility for other drivers and pedestrians. If you’ve noticed car ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

At Mobile World Congress 2025, Xiaomi showcased a Modular Optical System (MOS) that magnetically attaches a lens to a custom Xiaomi 15. It's like a Moto Mod, but with a full-fledged, working ...

If you find that you’re frequently encountering lens flare or shooting in dusty conditions, or if you anticipate needing a bit of added protection from, say, a busy toddler’s curious hands or ...

Rep. Elise Stefanik’s swift rise was a barometer of the power of Trumpism. But a sudden interruption in her ascent reveals warning signs for the White House and caps a tough week in which the ...

The sun has somewhat surprised forecasters today with a dramatic X-class solar flare from a newly emerging sunspot region. The intense solar flare originated from sunspot region AR4046 and was ...

The influence is clear in the split headlights, now featuring eyebrow-style LED daytime running lights. Not much else can be seen here, but the Nissan badge is now located just forwards of the ...

Its flare activity has been well-known to astronomers using visible wavelengths of light, but a new study using observations with the Atacama Large Millimeter/submillimeter Array (ALMA ...

The 99.3mm length and 77.4mm width of the lens are consistent with the 24, 35 and 50mm lenses that currently make up the rest of the series, and the weight of 519g (18.3 oz) is very similar to its ...

A quick $130 mod for recording in a 21:9 aspect ratio. A quick $130 mod for recording in a 21:9 aspect ratio. GoPro is now shipping the new Anamorphic Lens Mod for its Hero 13 Black camera ...

Osram and Nichia MicroLEDs boost resolution 100-fold over traditional matrix LEDs but using different technologies, says Yole Two leading LED companies, Osram and Nichia, have developed dedicated ...

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 ...