论文部分内容阅读
在胶片时代,单反相机大家族中有一个叫做APS胶片单反相机的小群体,要了解它们,先要从APS胶片说起。APS先进摄影系统(Advanced Photo System)胶片,是在1986年由柯达公司率先提出的,随后富士、爱克发和柯尼卡迅速跟进,与柯达公司一起组成APS胶片的主要生产者。APS胶片的片基是聚乙烯,宽度24mm,长度有40幅、25幅和15幅,装在椭圆形塑料暗盒中,外形见图1。所拍摄的画幅有3种,分别是:H,也叫做高分辨型,画幅30.2mm×16.7mm,长宽比16∶9,可扩印成7×4英寸的照片;C,也
In the film age, SLR camera family has a small group called APS film SLR camera, to understand them, we must start with the APS film. APS Advanced Photo System films, pioneered by Kodak in 1986, followed quickly by Fuji, Agfa, and Konica to form the main producer of APS films with Kodak. APS film base is polyethylene, width 24mm, length of 40, 25 and 15, mounted in an oval plastic cassette, the shape shown in Figure 1. The picture taken by the three kinds, namely: H, also known as high-resolution type, frame 30.2mm × 16.7mm, aspect ratio of 16: 9, can be expanded into 7 × 4-inch photos; C