![]() Similar methods are available with contact printing, but it is more difficult to see the image as it is being manipulated. Using these techniques it is possible to make significant changes to the mood or emphasis of a photographic print. The tool is kept moving to avoid producing a sharp edge at the region boundary. A mask with a hole can be used to add extra light to an area 'burning', which will have the effect of darkening the regions with additional exposure, while the use of a small wand to reduce the total exposure to a region is called 'dodging' and has the effect of lightening the regions with reduced exposure. Changing the amount of light exposing the paper in various areas will change the image density in those areas. Local contrast and density of various parts of the print can be easily controlled. ![]() Without an enlarger, only a contact print would be possible, and large images would require large size negatives and hence very large cameras. The image may be printed to a size different from the negative or transparency.For better images, the negatives may be reprinted using the same automated machine under operator selection of the print to be made.
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