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 ...

A convex mirror produces a diverging effect, meaning that it causes light rays to spread outward instead of focusing. The image formed by a convex mirror is always virtual, upright, and smaller ...

I picked up a benchtop injection molding machine to play with, and thought a "simple" double convex singlet lens would be a good first project. Denmark's defense committee head said he regrets ...

At Mobile World Congress 2025, Xiaomi showcased a Modular Optical System (MOS) that magnetically attaches a lens to a custom Xiaomi 15. It's like a Moto Mod, but with a full-fledged, working ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Meet the Realme interchangeable lens concept - a Realme smartphone that can mount Leica M lenses on its back! Before we go mounting lenses on, let's look at the underlying phone. This is a Realme ...

After four days, Mobile World Congress has come to an end. During our time in Barcelona, we saw countless phones, wearables, AI implementations and gadgets on display.

The annual mobile trade show in Barcelona kicks off today, but just ahead of the event Xiaomi has shown off a prototype camera lens. I am, apparently, one of only two media members to get hands on ...

And that was realme’s new concept phone. It’s the realme Ultra, which is an interchangeable lens concept phone that is absolutely incredible. Before today’s announcement, I was able to spend ...

Albert Einstein, in 1905, presented the revolutionary idea of light quanta of energy which equals ħw, where ħ is reduced Planck's constant. There is plenty of experimental evidence on magnetic ...

The highly convex front element and fixed lens hood mean that you can’t fit regular filters to the front – the 8-25mm f/4 would be better for that – but you could argue that with the OM-1 II’s Live ND ...

Please view our affiliate disclosure. Trading involves risk which may result in the loss of capital. Launched in early 2021, the Convex Finance platform was tailor built to entice and reward the ...