有了闪光灯，你就可以不用增加照相机的ISO刻度，或使用三脚架的情况下就可以在暗处拍照，只要拍摄物在闪光灯的有效范围里。
Flash or strobe light lets you photograph in dark places without having to increase your camera's ISO setting or use a tripod, as long as the subject is within the range of your light.
为方便操作，配置了有刻度的夹线按钮，压脚上装了为安全专设的挡指架。
A graduated button on the thread clamp and a finger guard on the presser foot to make operation easy.
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