lenses

Best lenses for astrophotography | Space

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Astrophotography is something you can do with a basic DSLR or mirrorless camera and its kit lens. Without one of the best lenses for astrophotography, however, your results might not be quite what you imagined and you’ll soon be looking around for upgrades. Once you’re ready for a new lens, apertures of f2.8 and wider … Read more

Best zoom lenses | Space

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A zoom lens is one that allows you to adjust its focal length. They can be wide-angle, telephoto, or form the bridge between the two, but they’re all adjustable. The opposite to a zoom lens is a prime, and these lenses tend to offer faster apertures to make up for being stuck at a single … Read more

Smartphone app can detect hidden camera lenses from reflections

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Time-of-flight sensors built into some smartphones can be used to detect the telltale reflections from hidden camera lenses Technology 3 December 2021 By Matthew Sparkes A smartphone with a triple camera system SeongJoon Cho/Bloomberg via Getty Images Surveillance cameras can keep us safe or invade our privacy, and improvements in miniaturisation mean they can now … Read more