Light from any single point of the subject passes through the
pinhole and falls only at one location on the film... The image of each
point of the subject is not a true point, but a small circle or disc.
The
complete image is made up of thse overlapping circles falling on the
film
from all the
Murray asks about resolution vs format and asks if resolution increases
as the format gets larger.
Assume that you keep the same angle of view for each format and use the
optimal pinhole for each format.
In absolute terms, resolution in lines per mm goes down as the format
gets bigger,
because
