| 摘要 |
<p>A silver halide photographic material is disclosed, comprising a support having provided thereon at least a silver halide emulsion layer, which contains at least one compound represented by the following formula (I), and has a characteristic curve of gamma value being 5.0 or more in optical density of from 0.3 to 3.0 on the characteristic curve shown on the orthogonal axis of coordinates having equal unit length expressed by logarithmic exposure amount (x axis) and optical density (y axis) : <DF NUM="(I)">(X)1-(L)m-(A-B)n </DF> wherein X represents a silver halide-adsorptive group having at least one of N, S, P, Se and Te atom, or a light absorptive group; L represents a divalent linking group having at least one of C, N, S and O atom; A represents an electron donative group; B represents a releasing group or a hydrogen atom, which forms radical A by releasing or deproton after oxidation; 1 and m each represents an integer of from 0 to 3; and n represents 1 or 2. <IMAGE></p> |
