photography chapter 7
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Difference between photographic image and visual perception 1. Black and white photography
The colors of the original subject are reduced to gray tones. and colors ar not reporduced exactily.
Difference between photographic image and visual perception 2. The eye has thhe ability to see detail in all areas of a high-contrast subject
The photograph can reproduce only a limited range of these subject tones.
Difference between photographic image and visual perception 3. Only a small central area of the vision is sharp - that is, in focus - and only at one distance at a time. This short coming is compensated for by the ability of the eye to quickly focus while scanning a subject.
The camera focuses only on a plane in the subject at one distance.
Difference between photographic image and visual perception 4. The mind filters out unwanted visual information when viewing the original subject matter.
In a photograph the information is faithfully rendered and may be distracting.
Difference between photographic image and visual perception 5. is two dimensional
Depiction of depth in a photograph therefore depends upon other depth indicators such as relative size of objects, convergence of parallel lines, and atmospheric depth.
What is previsualize?
Predict or previsualize what a photograph is going to look like while viewing the subject.
Photographs help record a specific segment of time.
Visual elements are often used by painters to arrange items within a work of art. Photographers use:
Visual selection, using camera position - that is , point of view - and lens focal length to alter the arrangement of visual elements within the frame.
The basic visual element in a photograph is tonal value, which is the amount of light an area reflects seen as lightness or darkness.
Line and shape and form.
A visual element unique to photography is
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