ABBREVIATION for single-lens reflex 单镜头反光照相机 →see reflex camera
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。
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