多反差黑白相纸

Multi-contrast black-and-white photographk paper

本文扼要介绍了多反差黑白照相纸的结构和性能特点。这种相纸含有分层涂布的、反差不同的一层感蓝卤化银涂层和一层感蓝绿的涂层。曝光时使用不同滤色镜即可获得影像反差不同的照片。

This paper presents an outline on the structure and properties of multi-contrast black-and-white photographic paper. The paper has a blue sensitive silver halide layer and a blue-green sensitive layer coated separately, and having different contrasts. By exposing under different light filters, photographs with different image contrast can be obtained.