Setting the lens for ae photography – Canon A-1 User Manual

Page 59

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Setting the Lens for AE Photography

The first four AE modes described above,

i.e.

shutter-speed

priority

AE,

aperture

priority AE, programmed AE and AE flash

photography, are performed with full aper
ture metering through the lens. This means

that

the

diaphragm

fully

open

during

metering

for

easiest

viewing

and

opera

tion.

For correct operation in these four full-

aperture

metering

modes,

only

FD lens can be used and the lens aperture

ring must be set to the “A” mark. To do

this, simply hold in the EE lock pin on the

lens while turning the aperture ring from the

minimum aperture to the “A” mark. This

can be done either before or after the lens is

mounted on the camera. At the “A” mark,
the aperture ring is locked and cannot be
turned

to any other setting. Reverse the

procedure

disengage

the

aperture

ring

from the “A” mark.