Authors
Samuel Giannavola
Publication
Publication Details
Volume: 3 Issue: 2
Date
March/April 1983
Pages
34
See all articles from SYNC v3 n2
This program will allow the photographer to input the data which the ZX81 will use to figure the adjusted exposure time (for bellows length and reciprocity), the proper subject to lens distance, and the proper film to lens distance for a given image magnification.