| 摘要 |
<p>A photographic multilayer direct-positive silver halide element is provided comprising at least two direct-positive fogged silver halide emulsion layers the undermost emulsion layer comprising one or more non-spectrally sensitizing electron acceptors and the uppermost emulsion layer comprising one or more electron-acceptors at least one of which is a spectrally sensitizing electron acceptor. The direct-positive element has reduced gradation and extended exposure latitude.</p> |
