SD card speed, small volume, low price, the most widely used now, especially in portable camera which is.

SD卡速度快，体积小，价格低，应用现在最为广泛，尤以便携相机为多。

youdao

Walter Zapp, a Latvian engineer, developed a portable camera in 1937 that would fit easily into the palm of a hand and take high-quality pictures.

拉脱维亚工程师沃尔特·扎普(Walter Zapp)在1937年发明了这款便携式照相机，它可以轻松的用手握住，拍出的照片质量非常高。

youdao

The signboard image of operating bay is captured by portable camera in real time, based on which it is determined whether the working staff has accessed to the proper bay.

利用便携式图像捕获设备获取当前工作间隔标志牌的实时图像，并用于判断工作人员是否走错间隔。

youdao

Yet, could they have imagined that their creation, the first portable camera to produce true-color photographs, would inspire a massive 22-year, privately funded project to promote world peace?

FORBES: Magazine Article

The NX20 is the perfect match for enthusiast amateur or professional photographers looking for a highly portable camera that gives the professional look and feel of a DSLR but at a fraction of the size and weight, with the addition of an ergonomic grip to fit comfortably into the hand.

ENGADGET: Samsung's NX20, NX210 and NX1000 mirrorless camera trio hands-on (video)

But there are alternatives beyond the smartphone and nearly every camera maker showed a portable, Flip-like video camera at the Consumer Electronics Show in January.

FORBES: Miss the Flip? There Are Alternatives to the Video Cam