Diaphragm

You can't get far in any talk about phones, cameras and photography without hearing about 'aperture' But what is it, and why is it important?

The Xiaomi 14 Ultra offers some serious camera hardware, including a main 1-inch sensor. But the real fun starts when you connect the upgraded accessory grip.

We propose a method for generating three-dimensional light fields with given intensity and phase distributions using purely phase transmission functions. The method is based on a generalization of the well-known approach to the design of diffractive optical elements that focus an incident laser beam into an array of light spots in space. To calculate purely phase transmission functions, we use amplitude encoding,…

Check out the best camera and photo editing apps that will help you enhance your shots with your new iPhone.

Discover the new Viltrox 16mm f/1.8 autofocus lens for Sony E-mount cameras. Learn more about its features and capabilities.

By John Kennerdell A still from "Legend" (2015), Dick Pope, director of photography. In 2014 Pope evidently went through just about every lens at a large London rental house before settling on some old Cooke Speed Panchros for his brilliantly...

With an abundance of advanced features, the CB2000C trinocular microscope by Celestron Labs is ideal for enthusiasts with little experience.

With an abundance of features and a very reasonable price, the Swift SW200 DL Compound Monocular Microscope is a brilliant all-rounder.

Article URL: https://en.wikipedia.org/wiki/Fujifilm_X100 Comments URL: https://news.ycombinator.com/item?id=42043842 Points: 1 # Comments: 0

The Panasonic 15mm f/1.7 Leica Summilux DG ASPH is a compact, lightweight prime lens that's perfect for nature and night sky photography.

There have been consistent reports that we can expect a future iPhone to offer a variable aperture lens within a...

It's set to be one of the most popular Z-mount lenses, but it's not Nikon's best.

The Information yesterday carried a report focusing on Apple's work on a foldable iPhone, but it also included a reference...

It features 11 rounded aperture blades for smooth and natural blur alongside 15 lens elements in 10 groups, and uses extra-low dispersion (ED) and aspherical lens elements...

Sony produced what could be described as a game-changer of a camera with its current flagship, the Sony a1. Although this camera offers a plethora of new features that most reviews have raved about. One of its most remarkable features has gone a little under the radar. This feature is the increase in the flash sync speed to 1/400th of a second shutter speed. The Sony a1 is one of the best full-frame mirrorless…

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While the iPhone 18 Pro and iPhone 18 Pro Max are still nearly two years away from launching, a new feature has already been rumored for the devices....

Article URL: https://www.kenrockwell.com/tech/lens-sharpness.htm Comments URL: https://news.ycombinator.com/item?id=32413743 Points: 1 # Comments: 0

This microscope kit contains all you need to get started with magnification, and it's 33% off at Amazon.

The Celestron PentaView's LCD digital display makes this microscope ideal for demonstrating to a large audience.