A superhigh contrast negative type silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer, the emulsion layer or at least one other hydrophilic colloid layer containing at least one hydrazine derivative and at least one compound of formula (I): Y[(X).sub.n A-B].sub.m (I) wherein Y represents a group capable of adsorbing to silver halide; X represents a divalent linking group comprising an atom or atoms selected from a hydrogen atom, a carbon atom, a nitrogen atom, an oxygen atom and a sulfur atom or an atomic group comprised of the atoms; A represents a divalent linking group; B represents a substituted or unsubstituted amino group, an ammonium group or a nitrogen-containing heterocyclic group; m represents 1, 2 or 3; and n represents 0 or 1. The photographic material may contain an organic desensitizer and a water-soluble rhodium salt, and the material has a low sensitivity and can be handled in a bright room.
一种超高对比度负型
银卤片材,包括支撑体,支撑体上至少提供有一层
银卤乳剂层,该乳剂层或至少一种其他亲
水性胶体层含有至少一种
肼衍
生物和至少一种式(I)的化合物:Y[(X)sub.n A-B]sub.m(I)其中,Y代表能够吸附到
银卤的基团;X代表双价连接基团,包括从氢原子、碳原子、氮原子、氧原子和
硫原子中选择的一个或多个原子或原子团;A代表双价连接基团;B代表取代或未取代的
氨基团、
铵基或含氮杂环基团;m代表1、2或3;n代表0或1。该照相材料可以含有有机减感剂和
水溶性
铑盐,该材料具有低灵敏度,可以在明亮的房间中处理。