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9 Cards in this Set
- Front
- Back
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What is perspective?
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The rendition of 3 dimensional objects onto a flat, 2 dimensional surface in such a way as to convey the impression of depth and distance.
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What focal length gives an "as seen" depiction on a Nikon D300?
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28mm.
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Does changing the focal length affect perspective?
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No, perspective will not change as long as the camera to subject distance does not change.
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Normal lens.
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Work without reduction or magnification.
Picture angle of 46 degrees. Most appropriate for forensic photography when depicting witness views or distance. Focal length is equal to the diagonal of the sensor. |
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What is the average viewing distance for an 8x10 image?
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15".
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When using an FX lens on a DX camera, what factor is used to calculate the proper focal length?
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1.5
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What are the rules of viewing a picture for true perspective?
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Must be perpendicular to the line of sight.
Eye must be aligned with the center of print. Correct distance from eyes to photograph. |
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How is viewing distance calculated?
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Distance = Focal length x Degree of Enlargement.
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Degree of enlargement for DX and FX cameras.
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D700(FX sensor)-factor of 1 for height.
D300(DX sensor)-factor of 1 for width. |
