The world's largest telescope is almost as big as your house—and it’s unlocking the universe’s biggest mysteries.

The Dobsonian telescope design was developed by John Dobson in the 1960s, and it quickly took the amateur astronomy world by storm because it made it affordable for people to own a large-aperture ...

A small aperture gives you more depth of field, so you can get both your subject and the background sharp, while a large aperture gives you less depth of field, so you can get your subject sharp ...

aperture and sensor. The depth of field in an image is the distance between the parts that appear in focus. When there's a big distance between the things that look crisp and sharp, it's known as ...

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Samsung is rumored to be interested in plugging "variable aperture" into the Galaxy S26 Ultra. Rumors about the aperture ...

The Simons Observatory (SO) has completed the installation of its Large Aperture Telescope (LAT) near the summit of Cerro Toco in the Atacama Desert of northern Chile.The telescope joins the ...

There are 73 optical elements of large aperture and high precision manufactured in Mexico at the Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE) and the Centro de Investigaciones en ...