照相机发展到今天，已经成为一种高科技，高精度，高空间密集度的高性能产品。为了方便使用照相机变得更加小巧玲珑，这样一来，对元器件的要求也就越来越高。相机元器件既要体积小，又要高性能。例如，佳能，尼康，奥林巴斯，美能达，理光等照相机。同样，闪光灯管作为一个器 Cameras have developed to today, has become a high-tech, high precision, high space-intensive high-performance products. In order to facilitate the use of the camera to become more compact, this way, the requirements of components is getting higher and higher. Camera components both small size, but also high performance. For example, Canon, Nikon, Olympus, Minolta, Ricoh and other cameras. Similarly, flash tube as a device