Photographic Compositions, ContinuedSubjectplacement(Continued)The PRINCIPLE OF THIRDS: The principle of thirds refers to theintersection of vertical and horizontal lines that divide the picture area intothirds.The point of each intersection is marked with an “O.” Theseintersections are good locations for the center of interest.Figure 1-24 shows the principle of thirds for subject placement.Figure 1-24.—Theprinciple of thirds.DYNAMIC SYMMETRY: The principle of dynamic symmetry locates thecenter of interest by drawing an imaginary diagonal line from one corner ofthe picture plane to the opposing corner. Another diagonal line drawn from athird corner perpendicular to and intersecting the first diagonal locates thecenter of interest.Figure 1-25 shows the principle of dynamic symmetry.Figure 1-25.—The principle of dynamicsymmetry.Continued on next page1-30
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