photographic scale


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photographic scale

The ratio of a distance measured on a photograph or a mosaic to the corresponding distance on the ground. It is the ratio of the size of the image to the actual size of the object. It is very large scale when the ratio is larger than 14,999; large when it is from 15,000 to 109,999; medium when it is from 110,000 to 124,999; small when it is from 125,000 to 149,999; and very small when it is 150,000 and smaller.
References in periodicals archive ?
i]: number of internodes with a degree of damage i, n: total number of internodes in the sample or seedling, and MDD: maximum degree of damage in the photographic scale.
33) When practical, they should contain a photographic scale or ruler for comparison.
It is somewhat of a conundrum, I must admit, that the authors chose these image-size and magnitude characteristics since they constitute the visual-magnitude limit of 7x50 binoculars with photographic scale more akin to that seen by the naked eye.
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