the magnification of the microscope is: magnification of eyepiece × magnification of objective = 10 × 4 = 40. Microscopes use lenses to magnify the image of a biological specimen so that it ...

In preclinical studies, when this photoreactive compound was administered to mice with drug-resistant pancreatic cancer and subsequently exposed to infrared light, the results were striking.

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 ...

With the best lenses for iPhone and Android phones, you can gain a whole new perspective in your smartphone photography and videography. Smartphone camera arrays are undoubtedly improving, especially ...

The best camera lens cleaners are essential purchases for any keen photographer. After all, if you have a lens for a few years, at some point you're going to need to clean it properly, if only to get ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

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 ...

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 ...

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.

We've rounded up the best binoculars for stargazing, wildlife watching and more, to suit every budget and need. Pick up a pair to bring March's spectacular lunar eclipse even closer. There are ...