一、利用外拍机进行放大照片的作法:晚上开启红灯,利用6时相箱作为光源,外拍机固定在工作台上,外拍机后门抽出,换上二块清玻璃(用夹夹住底片),将外拍机调整好焦距(与普通放大步骤相同),通上电源,让照片图象清晰地照射在放大尺版上, First, the use of the external camera to enlarge the photo approach: turn on the red light at night, the use of 6-phase box as a light source, the external camera fixed on the workbench, the camera out the back door, put two clear glass (with clip Live film), the filming machine to adjust the focal length (with the same general amplification steps), pass on the power, so that photo images clearly shone on the enlarged scale,