Canon AE-1 User Manual
Page 92
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lens is mounted on the camera, the diaphragm
blades will open or close by turning the
aperture ring. To revert from manual aperture
control, reset the manual lock lever at the
position of the white dot.
3
Lock
for
Manual
Aperture
Control
When Using the Macrophoto Coupler (3)
In close-up photography of high mag
nification with a lens reversed on the Macro-
photo
Coupler,
the
automatic
diaphragm
mechanism is not coupled. You must, there
fore, remember to close down the diaphragm
manually after having locked the automatic
aperture lever in the manual position as ex
plained above in (1) and (2). Then, fix the
Macrophoto Hood on the lens mount by
turning the bayonet ring.
When you are taking stopped-down meter
readings, the manual aperture control "M"
signal above the aperture scale inside the
viewfinder flashes on and off only when the
shutter release button is depressed halfway.