Hoya is the second largest eyeglass lens manufacturer in the world and the largest contact lens provider in Japan. While its life care business has a relatively lower operating margin, we expect Hoya ...

Researchers introduce a cost-effective method for producing optical Fresnel zone plate lenses, using colored photoresists for ...

Want to preserve the planetary parade or capture the Lynx constellation? The best lenses for astrophotography can help you take beautiful, breathtaking images of the night sky. If you're stepping ...

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 ...

Here's what you need to know. Aperture determines how much light can pass through a lens at a given shutter speed. This photography cheat sheet explains when to go wide and when to go narrow. The ...

SEE: PowerShell: A cheat sheet (free PDF) (TechRepublic) TechRepublic is able to offer our services for free because some vendors may pay us for web traffic or other sales opportunities.

If you were forced to pare down your kitchen supplies to include only the bare minimum, sheet pans would make the cut. In my case, many sheet pans: I have nearly ten and pull one out almost every ...

Eric Kim cleverly cooks and assembles his japchae on a single sheet pan in this fast and fortifying dinner. By Melissa Clark Eric Kim’s sheet-pan japchae.Credit...Johnny Miller for The New York ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

Valerion’s VisionMaster Max can be upgraded with alternate lenses so you can install it closer or farther from a screen without sacrificing resolution. Valerion’s VisionMaster Max can be ...