10X MAGNIFICATION , 2-IN-1 with 6 LED Light and 21mm triplet lens to enable achromatically ... and with top quality metal cases Achromatic & aplanatic optical glass magnifier Ideal for inspecting ...

Instead of manually copying and pasting text or performing a separate search, Google Lens enables you to highlight, draw over, or tap on any part of your screen to initiate a search instantly.

Nikon’s Z-series lens line-up has never been healthier. If you’re shooting with one of the best Nikon cameras, you’ll want to pair it with the best glass you can buy. That’s exactly what ...

After more than five years without releasing a new photography lens, Zeiss has finally broken its silence. The legendary optics manufacturer has taken to social media to tease a brand-new lens – and I ...

The 60MP sensor in the SL3 delivers not just fabulous detail rendition but exceptional overall image quality, so if you buy one of these cameras you’ll need the best possible lenses to go with it. We ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...

During a visit to Venture Global’s liquified natural gas plant in Port Sulphur, Gov. Jeff Landry and two members of President Trump’s cabinet told workers that securing U.S. energy dominance would ...

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