universal l button 通用按钮
Controller Button L 游戏按键L键
Button L 点燃匣子
HALL-B-L Hall Button Lamp 厅侧按钮记录灯
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The L-Fn (Lens Function) button suspends the autofocusing operation temporarily to avoid unintended focusing on obstacles that appear suddenly between the camera and the subject.
ENGADGET: Olympus unveils a cavalcade of point and shoot cameras and a PEN lens at CES
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