Lensbaby, the brand known for its unusual creative optics, is teasing a new lens – and it’s the brand’s “most requested lens ...

Digital photography has brought the artform a long way. A camera is only as good as the lens and Canon has an ultra-wide that's pricey, but worth it.

California-based accessory maker Sandmarc has launched a new Tetraprism 72mm Lens for iPhone that adds 3x optical ...

The Sigma 15mm F1.4 DC Contemporary is an attractive prime lens for APS-C camera owners thanks to its small size, fast ...

Canon has patented a bunch of lenses with mirrors for full frame cameras and I’ve made some educated guesses why ...

Large parts of Britain are braced for snow this weekend with a wintry barrage set to stretch the length of the country. New weather data from WXCharts.com shows the UK turning white with a wall of ...

After Iran violently suppressed protests in 2009, President Obama sought to trade U.S. silence for nuclear negotiations. Now Tehran is hoping President Trump will make the same mistake. That was the ...

Abstract: The transformation optics (TO) technique has been widely applied in the volume reduction of Luneburg lens (LL) in both optical and microwave regimes. However, it is found that the focus is ...

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