Reference Guide
Table Of Contents
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8
Accessories
':;;
Power
Drive
Booster
E1
The Power Drive Booster
El
raises the film advance
speed to
5.5
fps, enabling very rapid-fire continuous
shooting. (EOS-l body alone advances film
at
2.5
fps.) The
rugged, sure-grip power drive booster has a shutter button
and AE lock button positioned on the base so that operating
the camera vertically
feels
the same
as
when holding it
horizontally. The booster's
AA
battery pack replaces the
standard lithium battery.
Command
Back
E1
The Command Back
El
provides the photographer
with sophisticated timer control operations and allows
various types
of
data imprinting to be carried out. The timer
functions allow the photographer to capture periodic
scenery changes over a
fi
xed length
of
time. A special self-
timer function releases the shutter after a predetermined
period
of
time. The interval timer releases the shutter at
fixed intervals, spaced anywhere from 1 second to
23
hours
59
minutes apart. The long release timer holds the shutter
open for a preset period
of
time during bulb operation. And
the frame counter setting stops the camera after a set
number
of
exposur~s
has been made.
Data imprint functions include the date, time
of
day,
a frame counter number, or an arbitrary 6-digit number plus
the letters A through
F.
When the Command Back
El
is
being used, functions
assigned to the quick control dial are handled
by
the main
electronic input dial in conjunction with the exposure
compensation button.
430EZ
The new Speedlite 430EZ has been designed to take
advantage
of
the EOS-l's A-TTL auto-flash program. An
AF
auxiliary light enables positive auto focus
even
in total
darkness. And a high-quality external battery pack
is
now
available to provide power for extended photography
sessions. Flash-fill ratio control
is
possible in
l/3-step
increments, and flash charging time
is
less
than
1.5
seconds.
Second curtain sync works with slow shutter speeds, and the
stroboscopic function allows the flash to fire up to
10
times
a second. The flash zooms internally to match the focal
length
of
the lens being used. The flash head can be adjusted
for bounce flash, and a lock pin holds it securely. A display
panel provides
key
data, with EL illumination making it
easy to read in the dark.
Interchangeable
Focusing
Screens
Seven focusing screens are available to handle a variety
of
specialized photography tasks.
Microprism
New
split
ttrtt
::
'
1,
':'
~
~
Laser-matte with
section
Cro
ss
split-image
Laser-matte with scale
Laser-matte with
AF
frame
Las
er-matte with double
cro
ss
-hair reticle