The photographic grain seen as a defect

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Thanks to the principle of grouping shapes colors tones or contours can be built with it and that is what allows us to perceive a photograph a set with millions of points as a discernible and even mimetic form. Point  The point and photographic grain by extension has some interesting features It is a material entity that occupies a surface in the plane. It has limits and internal tensions. In itself it is tension it has no direction. Adding another point on the plane produces tension e constructs a directional vector. It allows the conformation of other elements such as color when there are many points in the same visual field.

It can have different shapes circular triangular square irregular stain as in the e-commerce photo editing photographic case of silver halides. Graininess and sharpness a paradoxical relationship Curiously graininess gives the image a characteristic sharpness because although the grain destroys part of the detail the speckles look more voluminous and achieve a precise uniform design that helps the overall sharpness of the image. Trunion The textures generated by the grain create a layer of meaning. In this case the grain is digitally simulated to evoke Alford Delta  film.



Paradoxically texturing can increase sharpness as can be seen in this example. . Adding grain in digital postproduction There are now many ways to achieve the aesthetics of grain within the analog postproduction process. By way of conclusion  of analog photography today has become an aesthetic expressive and even nostalgic possibility to return to the documentary style of the s. The use of different software possibilities offers the photographer of the digital age the possibility of endowing your images with an additional layer of meaning through this visual resource.