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![Aperture - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_09.jpeg)
Aperture - Wikipedia, the free encyclopedia
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日期:2024-06-13
The lens aperture is usually specified as an f-number, the ratio of focal length to effective aperture diameter. A lens typically has a set of marked "f-stops" that the f-number can be set to. A lower f-number ......看更多