指定最大宽度为35 mm的黑白缩微胶片的放大率小于或等于50:1的读卡器的基本性能特征。它还规定了卷缩微胶片、缩微胶片和图像卡的读卡器性能。本标准与ISO 6198:1993相同，并根据ISO 6198:1993复制。

Specifies the essential performance characteristics for readers with magnification less than or equal to 50:1 with black and white microfilm to a maximum width of 35 mm. It also specifies the performance of readers for roll microfilm, microfiche and image cards. This Standard is identical with and has been reproduced from ISO 6198:1993.