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19 Cards in this Set
- Front
- Back
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Photographic properties
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density and contrast
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Geometric properties
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recorded detail and distortion
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Increase mAs
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-density increases
-no effect on contrast -no effect on geometric properties |
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Decrease mAs
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-density decreases
-no effect on contrast -no effect on geometric properties |
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Increase kVp
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-density increase
-contrast decrease -no effect on geometric properties |
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Decrease kVp
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density decrease
contrast increase -no effect on geometric properties |
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Increase SID
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-density & distortion decrease
-no effect on contrast -detail increases |
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Decrease in SID
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-density & distortion increase
-no effect on contrast -detail decrease |
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Increase in OID
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-density & detail decreases
-contrast & distortion increases |
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Decrease in OID
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-density & detail increases
-contrast & distortion decreases |
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Increase in Grid Ratio
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-density decreases
-contrast increases -no effect on geometric properties |
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Decrease in Grid Ratio
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-density increases
-contrast decreases -no effect on geometric properties |
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Increase in Film-screen speed
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-density increases
-detail decreases -no effect on contrast & distortion |
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Decrease in Film-screen speed
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-density decreases
-detail increases -no effect on contrast & distortion |
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Increase Collimation
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-density decrease
-contrast increase -no effect on geometric prop. |
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Decrease Collimation
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-density increases
-detail decreases -no effect on contrast & distortion |
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Increase Focal spot size
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-no effect on density,contrast,distortion
-decrease detail |
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Decrease Focal spot size
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-no effect on density,contrast,distortion
-increase detail |
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Increase in Central Ray angle
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-density & detail decreases
-distortion increases -no effect on contrast |
