英语词汇“focal length”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	focal length
释义	Trends of focal length View usage for: focal length in British English or focal distance noun the distance from the focal point of a lens or mirror to the reflecting surface of the mirror or the centre point of the lens focal length in American English the distance from the optical center of a lens or curved mirror to the point where light rays from a very distant object converge : also focal distance Examples of 'focal length' in a sentence focal length Keep in mind your different focal lengths. Freeman, Michael Photographers Handbook (1993) Zoom lenses are an alternative to regular, fixed focal length lenses rather than a supplement. Freeman, Michael Collins Complete Guide to Photography (1993)
随便看	behind the scenes behind-the-scenes behind the times behind-the-times behind time be history behistun behn behold beholden beholder be home and dry behoof behoove behooves behove behoveful behovely behowl behrens behring behrman be hung out to dry beiderbecke beige

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Trends offocal length