Canon AE-1 - Manual (Page 74)

A Gentle Touch Activates the Shutter
Button
This unique shutter button activate» a
co rn fi^ t% of electronicaUy controlled
fucbons.
As opposed to the conventional mechanical
systems, it serves as a switch to turn the ele*
ctric circuity on or oM. and operates magneii*
cally« in order to make the shutter release
exiremty fast and smooth.
Immediate Response Metering for Any
Situation
From light metering to exposure setting,
ail functions are etectronically controtled.
With this astounding, revolutionary system, at
the very imtant the shutter button is pressed,
the electronic brain (CPU) immediately com*
putes the photographic information and
produces the operating command. In EV 1
lightir>g conditions, light metering takes but
only 0.04 sec.
There <$ no rsecd to worry about in­
accuracies in metering and exposure timing.
No matter how suddenly the char>ce to shoot
avails itself to you, a gentle pressure on the
shutter button will do the trick.
Silicon Photocell and Logarithmic
Amplifier In a Single 1C
The silicon s>hotocell is well known for its
outstanding photosensitive characteristics.
The AE*1 has a logarithmic amplifier and
a special, imnsediate response circuit, inte­
grated into a single 1C in order to obtain the
speediest responsiveness while at the same
time ensuring remarkable overall durability.
Powar-Saving Circuit
The main pans were daiigrsed so as to
require Che minimum of energy while a
sequential commarsd controls energy cut-off
and supply. Thus, there is no unr>ecessarv
battery consumption.
A battery lasts the equivalent of 20,000
shutter releases in continuous photography, or
one year under normal use.