Adjust the width of box plus locking handle with slide, adjust the width of face punching plug - chip regulator is used to ensure the piercing has always been at the center position.

盒体宽度的调节采用滑槽加锁紧手柄，冲孔面的宽度调节则采用塞片调节，保证冲孔始终在中心位。

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The invention has the advantages of a double locking structure by use of the plug, the jack and the movable button, high safety and simple structure and is not easy to be lost.

本发明的有益效果在于：采用插头与插孔和活动扣的双重扣紧结构，安全性高，结构简单，不易丢失。

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Many advanced amateurs and hobbyists had commented that it was difficult to use when shooting close-up photography on a tripod, for example, because the sensor is on the front of the camera. so we included a remote port on the left side of the camera so you can plug in an optional electrical cable release with a locking switch.

ENGADGET: The Engadget Interview: Steve Heiner, General Manager, Digital SLR Systems, Nikon