Spanning three halls, each jam-packed with a nearly endless amount of film and video tech gear from corner to corner, the NAB ...

Get a huge discount on the Celestron StarSense Explorer LT 80AZ telescope in time for the upcoming Lyrid meteor shower, full ...

Here are the best cameras for portrait photography right now, from top-end models to affordable cameras for beginners. The ...

We spent a full year testing nearly 40 X-mount lenses to figure out which ones make the most sense for Fujifilm shooters.

The F-number of a photographic lens is a measure of its light-gathering ability, and is expressed as its aperture diameter ...

Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past ...

The Simons Observatory, a most advanced network of telescopes aimed at mapping the Cosmic Microwave Background (CMB) with unprecedented precision, has reached a major milestone: the Large Aperture ...

National Astronomical Observatories, Chinese Academy of Sciences, A20 Datun Road, Chaoyang District, Beijing 100012, China Key Laboratory for Radio Astronomy, Chinese Academy of Sciences, Nanjing ...

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However, one such feature—variable aperture—might be making a comeback ... As a biproduct, it also lets you control the background blur, while the brightness can be managed by adjusting ...