Page 349 - Green - Maritime Archaeology: A Technical Handbook. 2nd ed

328 Maritime Archaeology: A Technical Handbook, Second Edition
Figure 12.2 Picture showing perspective distortion of a fort in Hila Ambon, Indonesia, and the correction of this distortion using a computer graphics package.
is 1:1.5). Thus, the choice is wasting 17% of the photographic paper to include the full width of the print, or cropping the edges of a carefully com- posed photograph to save paper.
In the case of the 120 format camera (57-mm square), a similar paper format compromise exists. However, the format is 3.5 times larger than the 35 mm one and consequently gives a greater resolution. This resolution is, however, obtained at the expense of a small depth-of-field close-up, of limited frames per roll of film (12, although some cameras have facilities