Bleaching out
Period in most toning decreasing image concentration
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More Photographic Terms ...
bleaching
the removal of color or other material by chemical action.
-Bleaching - stage in most toning, reducing and color processing systems.
After bleaching, you should wash the print again for 20 to 25 minutes in cold water to remove the bleach. While it's washing, you can mix the toner solution in a tray.
The development of bleaching powder (calcium hypochlorite) by Scottish chemist Charles Tennant in about 1800, based on the discoveries of French chemist Claude Louis Berthollet, ...
46 or bleaching of the photographic image. Underfixation causes the image to darken with time. WARNING Never dump fixer down the drain. Dispose of all chemicals according to the local instructions of your imaging facility.
To avoid overexposure or bleaching out of the subject, the flash would need compensating by -1 to -2 stops.
A poor solarization can sometimes be remedied by judicious bleaching with a combination of ferricyanide and thiosulfate (Farmer's reducer) to lighten the minimum density regions.
-Ferric chloride - bleaching solution used on negative materials.
-Ferrotype process - method of creating direct positive images with dark enameled metal plates as a base. Also known as the tin-type process.
Direct reflection, i.e. the glinting reflections from white and shiny objects which cause bleaching of the highlights in a photograph. Using a diffuse light source, i.e. a light source of large area, rather than a point source can reduce the problem.
b) Cut out unwanted objects after the picture is taken by spotting with dye, knifing or bleaching.
Visual appeal and impact
a) Something that catches the eye or holds the attention can transcend the artistic merit of a picture.
The other perhaps more significant reason was that there had been a coral bleaching episode in the past, and now the reefs had recovered. The same thing has happened with the reefs where I live, in Key Largo.
I use the highlight slider to adjust the lighter colors more toward yellow to replicate the chemical results of bleaching and redeveloping in actual sepia toning in the darkroom (Figure 21).
Figure 22 ...
Purchase an additional piece of white PVC sheeting for an easel to use in the sink for bleaching and viewing prints.
Bleaching: Chemical used in processing to convert black silver image into colorless compound such as silver halide.
Bounced flash: Flash illumination reflected from a ceiling or wall being diffused.
 See also: Bleach, Image, Light, Color, Photograph
  
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