focallength中文

The findings come from a partnership formed in 2017 between the United Nations International Telecommunication Union, the International Solid Waste Association and other groups to track the accumulation of electronic debris.

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Focal length

A prime lens has one focal length and a fixed field of view. In order to change it, the photographer has to move closer or farther from the subject. A zoom lens has a range from wide angle (35mm or less) to telephoto (60mm or greater).

Focal lengthcamera

Dr. Abrams tried numerous instruments, but has been able to find nothing so sensitive to electronic activity as a human body.

Focal length is one of the two primary measurements of a camera lens. The other is the "aperture," which is the lens opening (see f-stop).

Focus distance

It's ridiculous to say that people who want to "loan" their electronic copy of my book to a friend need to get a license to do so.

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focallength是什么

This is a growing “tsunami” according to the UN, and it’s fed by all the phones, tablets and other electronic devices that are thrown away each day.

After the captain made the call to abandon ship, 150 people were able to escape on lifeboats lowered by electronic arms.

Focal length is the optical distance in millimeters between a camera lens and the sensor or film. It determines the height and width of the scene being captured, known as the "field of view."

There was a strap affair around his shoulders, with a set of complicated electronic controls slipped into the muscle fibers.

When the Covid-19 pandemic swept through Asia, Europe, and the Americas, stock exchanges went fully electronic and bankers began to work from bedrooms.

It has focused especially on keeping the lights on in community centers and in the homes of particularly vulnerable San Diegans, such as low-income families or people with electronic medical devices, she said.