Finishing Prints, Continued
Scaling artwork
Scaling is a term used for calculating dimensions for the reduction or
enlargement of an entire given image. The entire image is proportionately
enlarged or reduced. The most common methods of scaling outside of a
darkroom are the diagonal line method and the scaling wheel, which is often
called a proportional scale.
Scaling images
If you have a negative to print images from, scaling is easily accomplished in
in the
the darkroom as part of the projection and exposure process. It is simply a
darkroom
matter of selecting the finished size of the print and projecting the image to
that size on the print frame before exposure. An advantage of scaling images
in the darkroom is that grain and resolution enlarges or reduces
proportionately. The disadvantage is not seeing the final scaled image before
developing the print.
The diagonal line method and the proportional scale are used for scaling
hard-copy images outside of the darkroom. Detailed explanations of both
methods are found in DM Volume 4, chapter 1. If possible, you should
mount the photograph to a solid backing, such as a piece of cardstock.
An
advantage in scaling artwork from prints is that as images are reduced, so are
details. A disadvantage is that flaws are magnified in enlargements.
Indicate the enlargement or reduction of images on the border around a print
or on an overlay on the photograph. Enlargements and reductions may be
indicated in percentages or in ratios.
Figure 7-23 illustrates examples of scaling percentages and ratios.
Scaling images
outside of the
darkroom
Marking
enlargement or
reduction on a
print
Figure 7-23.—Indicating
scale: A. Percentages; B,
Ratios.
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