Data Sheet—7 | Copyright, Eastman Kodak Company, 1999 |
TI2497 Issued 11-99 | |
Net Fog
F)KODAK Developer D-97 (AA) at 70°F (10-99)
The minimum density or smallest amount of density a film has is known as the D-min; it is the density of the clear ESTAR base plus a little bit of "fog" in the emulsion. In the graph identified as TI2497F, "NET FOG" is defined as D-min minus base density. The graph shows emulsion "fog" in density versus increasing development times through the ascorbic acid (AA) based D97 Developer.
Note: The Kodak materials described in this publication for use with KODAK Black-and-White Print Film 2302 / ESTAR Base are available from dealers who supply Kodak products. You can use other materia ls, but you may not obtain similar results.
rms Granularity
G)(11-99)
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