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

Shoot sports? You'll need one of the best lenses for sports photography – here are the best buys for Canon, Sony, L-mount, Nikon, Fujifilm, Pentax and Micro Four Thirds shooters I've long been into ...

Realme has revealed its Interchangeable Lens Concept phone at MWC 2025. This phone has a one-inch camera sensor that can be paired with your existing Leica camera lenses. Realme’s phone also ...

The best movies on Disney+ are actually just the best movies Disney has ever made, because the streaming giant has a monopoly on the House of Mouse. That means any property owned by Disney is on ...

It starts with the blood red cloak. The way it completely covers ... the Imperial officers’ uniforms, the TIE pilots, Darth Vader — and fans wondered just how the Emperor would look.

Get Instant Summarized Text (Gist) A new flat telescope lens has been developed that captures color accurately while detecting light from distant stars. Unlike traditional bulky curved lenses ...

You will need to buy a blade separate from the hilt, though. Read more below Best Darth Vader For fans of the Dark Side, this Black Series FX Elite lightsaber is best in class, with some stellar ...

This figure is truly a work of art as Darth Vader will come with two head sculpts, one featuring red lenses. The other is his cracked helmet from his final battle with Obi-Wan Kenobi, showing the ...

The George Lucas-written, -directed and -produced movie that follows Anakin Skywalker’s (Hayden Christensen) complete transformation into Darth Vader will play stateside and abroad for the first ...

The color red and the planet Mars go together like Earth and its oceans or Saturn and its rings. However, our understanding of how the Red Planet got its signature hue might be wrong. A new ...

A new study led by Brown University researchers shows how a water-rich mineral could explain the planet’s color, hinting at a wetter, more habitable past on the Red Planet. PROVIDENCE, R.I. [Brown ...