Funny how the limitations of film in the early days made each photograph an abstract reproduction / object of abstract art: The color-palette of the original subject was replaced by a grey-scale and the use of colored filters to influence the reproduction/mapping of different colors to various shades of grey was commonplace.
Today most photos/videos are in color and a b&w conversion is a deliberate decision to take away the colors and thus abstractify the picture.
For me there are two major reason to use b&w: To emphasize form/gestalt over color and/or to increase the impact of light-gradation and thus emphasize the nature of light in an image.
I'll show you some examples in my next post.
Btw. Today most images are two-dimensional and not many people think of that as an abstraction from reality. But with the increasing use of 3D-techniques in the cinemas I’m pretty sure that in 50 years time 2-dimensionalty / taking away the depth of an image will count as abstraction too.
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