Canon is celebrating the production of its 40 millionth EOS camera, including both film and digital SLRs.
佳能公司庆祝其EOS单反相机生产过四千万，其中包括胶卷单反和数码单反。
SLRs are the best cameras for capturing lightning because of their high resolution and manual exposure Settings.
单反有较高的分辨率还能手动设置曝光，是捕捉闪电的最佳相机。
Most compact cameras and all SLRs have a focus-lock capability, activated by pushing the shutter release button down halfway.
大部分的紧凑型相机和所有的单反相机都有一个焦点锁定功能，通过把快门按下一半儿来实现。
Digital SLRs with a lens focal length of 300 to 400mm are recommended, but you can get away with a decent compact with a 10x zoom.
推荐使用带有300 - 400毫米镜头的数码单反相机，但如果有一架有10倍变焦镜头，性能良好的小型相机也可以。
Capacity: 3 Pro digital SLRs, 3-5 zoom lenses, flash lamp, and pocket digital vidicon or camera.
容量：3个单反相机机身、3 - 5个变焦镜头、闪光灯；袖珍数码摄像机或数码相机。
In the foreground are the digital SLRs and full-size video cameras of the professional media. But in the background there is a profusion of smaller devices.
在前景中是专业媒体的数码单反相机和高清摄像机，而背景中则有大量的小型设备。
Imagine how different photography was then. There were no digital cameras. There were no "miniature" cameras - what we would call SLRs. There were no "point-and-shoot" cameras.
想象一下，当时的摄影是多么的不同：没有数码相机，没有被我们称为单反相机的“微型”相机，也没有“傻瓜”相机。
Imagine how different photography was then. There were no digital cameras. There were no "miniature" cameras - what we would call SLRs. There were no "point-and-shoot" cameras.
想象一下，当时的摄影是多么的不同：没有数码相机，没有被我们称为单反相机的“微型”相机，也没有“傻瓜”相机。
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