What makes a sharp impression?

The human eye is confronted daily with a mixture of actual, physical as well as a kind of "pseudo" field.

The latter is caused by the subjective perception of each person in a different extent and is known as "sharpness". Such an impression can be shown in the photograph deliberately designed to improve quality are used. Also, inkjet printers use the effect to increase the effect of printed photos: face and object contours appear by the addition of black plastic and sharper, even though they are not - the human eye is here deliberately misled. Simultaneously, the printing technique is raised specifically better than it actually is. Commercial photo labs try to stand out in a similar manner.

Priority was given to human facial features, especially eyes and mouth, were copied: the while (supposedly) emerging field gave the respective face more impact. Techniques such as these were still far into the 20th Century by most professional photographers and other creative visual artists used. Even modern retouching programs such as Photoshop allow the use of the subjective impression of sharpness in exactly the same way - just virtually.

Modern digital cameras increase the sharpness of an image automatically and prepare certain image areas, specifically with regard to the subjective impression of sharpness. The actual sharpness of an image is significantly shifted into the background counts in the present composition, especially the sharpness of each individual viewer.

Title Post: What makes a sharp impression?
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Author: the Wicaksonos Family

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