Page 361 - Green - Maritime Archaeology: A Technical Handbook. 2nd ed

340 Maritime Archaeology: A Technical Handbook, Second Edition
Figure 12.8 A camera box showing the range of photographic equipment usually needed for field photography.
VI. SLIDE-COPYING
A mobile slide-copying unit is a handy piece of equipment, not so much in the field, but for visits to colleagues or people working in related fields who may have slides that would be useful to duplicate for research. Again, desktop slide scanners are largely replacing this system and the resulting graphic images are simply stored in a graphics image database. It usually takes less than a minute to scan a 35-mm slide at high resolution, so the process is both quick and efficient.
VII. MANAGEMENT A. CATALOGING
Anyone who has experienced handling a large photographic collection will appreciate the problems of adequate subject recording. As has already been stated, it is essential that every artifact photograph has a registration number included somewhere in the frame. Without this method of record- ing, each photographic negative has to be registered or identified separately by hand; this can be an exceedingly time-consuming operation. It is so