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NWstudent
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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.
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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.
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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.
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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.
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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.
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What is previsualize?
Predict or previsualize what a photograph is going to look like while viewing the subject.
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Time
Photographs help record a specific segment of time.
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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.
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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.
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A visual element unique to photography is
sharpness
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