shutter to initiate a series of events. The shutter
blades close to cut off the optical path. The
hinged Fresnel viewing screen is swung upward
and comes to rest in front of the fixed viewing
mirror (Figure 1-8 B).
The shutter opens and closes to perform the
exposure function.
A first-surfaced taking mirror is fastened to
the underside of the Fresnel carrier assembly.
Figure 1-8 Viewing and shooting
