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Friday, May 7, 2010

Architectual Issues in Imagery

Architectural assignments are challenging from several points, primarily because of the lighting involved and perspective control. Many images will be exteriors and throughout the day the light is always changing, as night settles the interior/exterior lighting ratios come into play. This creates a problem as to the decision that must be made as to the final " look" of the image, i.e. Day or Night. If shooting an interior the "color" of the interior light is important as it must match the daylight color temperature of the light filtering in through the windows, if there is any in the image. Without the balance of color temperature and intensity the image will look unnatural.

Perspective comes into play with the problem of parallax, which is the convergence of vertical and horizontal lines. Our eyes and mind take care of this problem by "correcting it" and, in fact, we don't seem to notice it until we see a corrected image. It looks right in person.....but we don't seem to notice when viewing it in "real Time" that the top of the building looks smaller than the base. Correction of the parallax issue, makes the lines converge in a linear way that creates a visual perspective that makes the buildings top as wide as the bottom giving us a false perspective look. Using PC lenses ( perspective control ), a view camera, or select software can correct this problem. Morgan Studio has all of the above solutions.

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