| 摘要 |
A silver halide photographic material which comprises a support having provided thereon at least one light-sensitive emulsion layer, and which contains in said emulsion layer, or at least one other layer, at least one hydrazine derivative, at least one contrast enhancing agent and at least one redox compound capable of releasing a development inhibitor upon being oxidized. The hydrazine derivative is exemplified by compounds represented by the following formula: <IMAGE> wherein R1 represents an aliphatic group or an aromatic group; R2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, a carbamoyl group or an oxycarbonyl group; G1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, <IMAGE> or an iminomethylene group; and A1 and A2 both represent a hydrogen atom, or, alternatively, one of them represents a hydrogen atom and the other represents an alkylsulfonyl group, an arylsulfonyl group, or an acyl group. The contrast enhancing agent is exemplified by an amine derivative, an onium derivative, a disulfide derivative or a hydroxymethyl derivative. The redox compound is exemplified by compounds represented by the following formula: <IMAGE>
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