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照相机快门种类很多,从技术形式上大体可以分为机械快门、电子快门和程序快门3类;从机械构造上,根据快门在照相机上安放的位置和运动特点又可分为:镜前快门、中心快门、焦点平面快门(幕帘快门、纵走武钢片快门)和反光镜快门。 在相机发展史上镜前快门的合理性较差,未能发展起来;中心快门是发展得比较好的一种,各种结构方式的品种较多,如一步动作式、推
There are many types of camera shutter, from the technical forms can be divided into mechanical shutter, electronic shutter and program shutter 3 categories; from the mechanical structure, according to the shutter position on the camera and the movement characteristics can be divided into: mirror front shutter, center Shutter, focus plane shutter (curtain shutter, vertical walking Wu steel shutter) and mirror shutter. In the history of the camera in front of the mirror shutter less reasonable, failed to develop; center shutter is a better development of a variety of structural types of more varieties, such as one-step action type, push