Up to this point you have been reading other existing photosensitive elements, you
about the fundamental principles of
A€ will find it covers
a
greater range of lighting
photography. We ask you to continue reading situations and allows for greater accuracy. In
through the following, more detailed de- order to provide the
AE-1 with the best
scription of AE photography for a fuller possible magnetic release system, Canon de-
understanding. This information will prove veloped a special circuit for instantaneous
light metering. Due to this innovation, even in
A silicon photocell is used as the photo-
place as dark as
EVl (at ASA 100, f11.4. 1
sensitive element in the camera. If you
sec.), metering can be performed in only
compare the silicon photocell
(SPC)
with 0.04 second.
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