Any serious photographer should have a 50mm lens in their kit bag. Also known as a 'standard' prime or a 'nifty fifty,' these lenses capture a perspective that's roughly equivalent to the field of ...

If you're searching for the best Leica M lens for your rangefinder, you have plenty of options to choose from. In this guide, I break down the entire lineup, highlighting the strengths of each lens ...

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 ...

Nikon has announced the Nikkor 28-135mm F4 PZ, a lens geared toward professional video shooters, and the company's first full-frame power zoom lens. It's the latest result of Nikon's increased focus ...

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