Fujinon has been developing high-resolution lenses following the concept of the shift from ‘viewing' to ‘recognition', and will launch a three-megapixel vari-focal lens to accommodate megapixel ...

When buying varifocals, it's important you buy them from somewhere that will explain the difference between lenses, fit them properly and deal with any problems that arise. Varifocal lenses are also ...

True zoom lenses or parafocal lenses maintain their focus when the focal length changes. Varifocal lenses lose their focus during zooming. Zoom lenses may be designed for laser or other high-power ...

Fujinon introduces new lenses to complement the line-up of 3 megapixel varifocal lenses: YV2.1x2.8SR4A-2/SA2, designed for day/night operation. DV10x8SA-1/-SA1, long focal length for 1/2". The YV2.1x2 ...

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 ...

Scots TV star Edith Bowman has spent more than 20 years in the limelight. After landing her first on-screen job for MTV, ...

But what about more complex needs? For example, I wear varifocals and those lenses are much more complex than your average specs. That's a challenge for headset makers, to the point where Meta is ...

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

New display technologies, including varifocal lenses, can overcome the mismatch, but the technologies require maturing. Another consideration is the weight of headsets and the balance of that ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

Canon is set to expand its RF-mount lens line up with three new 'hybrid' lenses for its mirrorless cameras. In a teaser, the camera giant posted a picture (above) of its two existing hybrid lenses ...

The total price of the glasses I tested is £144, which compares to £170.95 for my latest Rapides – whose scratch and glare ...