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Usable
lenses
. Understanding exposure control
74
The E2/E2s provides sensitivity settings with
ISO
equivalents of
800 and 1600. The following table illustrates differences
in
exposure
between a 3Smm
SLR
and the E2/E2s.
lens
aperture
Effective
aperture
Shutter
speed
ISO
required
E2/E2s
f/28
1/6.7
1/1000 sec. 1600
35mm
SLR
f/2 .8
1/2
.8
1/1000 sec.
300
Depth-ol-field will be controlled by
the
aperture control of the reduction
optics.