玛米亚645AF是玛米亚系列的一个新机种,它以崭新的概念,把相机高度地电子化,将观景窗、卷片器和机身一体化,在镜头片匣中内置CPU(中央处理器),利用机身的微电脑做总控制。该相机具有以下特点:其AF采用TTL位相差距检出方式,利用CCD线条感受体的H型排列,容易合焦并内置有低照度时的AF辅助 The Mamiya 645AF is a new model in the Mamiya line that uses a completely new concept to highly electronicize the camera, integrate the viewfinder, the winder, and the body with a built-in CPU in the lens cartridge Central processor), the use of the fuselage of the microcomputer to do the total control. The camera has the following characteristics: The AF using TTL phase difference detection method, the use of CCD line sensor H-type arrangement, easy to focus and built-in AF AF illumination