Photographic element comprising a fogged, direct-positive heterodispersed silver halide emulsion and a fogged, direct-positive monodispersed silver halide
AssigneeAgfa-Gevaert
InventorRaymond Leopold Florens
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Abstract
Photographic direct-positive materials are described which comprise in admixture in a single layer or in superposed layers a monodispersed direct-positive emulsion and a heterodispersed direct-positive emulsion. By the use of both types of emulsions it is possible to obtain reduced contrast and good detail rendering in the high-light areas.
Claims8
A direct-positive photographic element comprising a support and coated thereon, a monodispersed direct-positive silver halide emulsion comprising surface fogged silver halide grains of which at least 95 percent by weight have a diameter which is within about 40 percent of the mean grain diameter and a heterodispersed direct-positive silver halide emulsion comprising surface fogged silver halide grains of which at least 10 percent by weight have a diameter which for at least 40 percent deviates from the mean grain diameter, said monodispersed and heterodispersed emulsions having been individually fogged.
Dependencies are inferred from the claim text.