Evidence suggests ancient civilizations, including the Greeks, may have had early optical knowledge and devices like ...

A phase contrast microscope with a 100× objective lens (Leica Microsystems ... Cells in Cluster-1, -3, and -5 were elongated and slightly concave around the center. The PCA showed the correlation with ...

Discover a microscopic world with one of the best microscopes for students and young scientists, without emptying your wallet — here are our top picks. The best microscopes for students should ...

Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. Researchers have fabricated and tested flat lenses called Fresnel ...

This meant that a microscope could not resolve two objects located closer than λ/2NA, where λ is the wavelength of light and NA is the numerical aperture of the imaging lens. This diffraction ...

Sandmarc also offers a wide variety of lenses, from wide angle macro through to 6x telephoto and even a microscope lens. All Sandmarc lenses come with a clip to attach them to your phone ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

The team used a publicly available design from the website OpenFlexure to produce the microscope's frame, and clear plastic lenses they designed themselves that cost $0.13 / £0.11 AU$0.22, using ...

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 ...

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 ...

Do you use a Canon EOS R mirrorless camera? From wide-angle to telephoto, these are the best lenses we've tested for the platform. Images, and the devices that capture them, are my focus.