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大部分用户购买了杭州照相机械研究所生产的6688型一步成像证件仪和宝丽来的484型证件仪一般只知道相机离被摄者的距离近一点照片上的头像就大一点,远一点头像就小一点。但并不知道如何利用6688型一步成像仪的取景器来控制照片上头像的尺寸。因为根据公安部的规定
Most users have purchased the Model 6688 One-Step Imaging Document Instrument and the Polaroid 484 Document Instrument produced by Hangzhou Institute of Photographic Machinery generally only know that the distance from the camera to the photographer is a little bigger and the picture on the picture is larger a little. However, it is not known how to use the viewfinder of the Model 6688 single-step imager to control the size of the picture on the picture. Because according to the provisions of the Ministry of Public Security