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Translations for „focal length“ in the English » Chinese Dictionary (Go to Chinese » English)

focal length N

focal length

焦距 jiāojù

Monolingual examples (not verified by PONS Editors)

English

Adjustable focus eyeglasses have one focal length, but it is variable without having to change where one is looking. en.wikipedia.org

In the long focal length limit, the area of each zone is equal, because the width of the zones must decrease farther from the center. en.wikipedia.org

Making a mirror with a focal length of five metres, for example, requires a rotation speed less than ten revolutions per minute. en.wikipedia.org

The objective diameter of the telescope is 6.5 inches and it has a focal length of f/13.5. en.wikipedia.org

With short focal length instruments a mirror diagonal is preferred over a prism. en.wikipedia.org

The density of the liquid, for example, has no effect on the focal length of the paraboloid. en.wikipedia.org

The objective focal length of the telescope is 4000 mm. en.wikipedia.org

When calculating the effective focal length, it is important to take into account the image format a camera uses. en.wikipedia.org

Note that computing the focal length requires that the light-refracting properties of the liquids in the eye are taken into account. en.wikipedia.org

The curvature of field is determined by the sum of the dioptres, but the focal length is not. en.wikipedia.org

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