Canon 814XL-S User Manual
Page 124
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USING FLASH
The 814XL-S and 1014XL-S are provided with a
flash sync socket on the left panel. The use of
flash is very handy for photographing titles or
animation in the single-frame mode. The shutter
opening angle dial may be set to either of its two
positions, and the aperture must be adjusted
manually (see page 64) to an f/stop which is
determined by dividing the guide number of the
flash by the focused distance (read from the lens'
distance scale). Follow the instructions of the
flash used. Generally, the life of a flash tube is
about 5000 flashes or enough to give continuous
flash exposure to every frame of about 1-1/2 film
cartridges.
Perfect and uniform exposure is essential in 8mm
flash shooting. Since, during projection, the pic
ture frames are shown in sequential motion,
uneven exposure will cause flickering on the
screen. Pay special attention to the exposure. If
possible, either use a flash with a voltage-
stabilizing circuit or use an AC (house current)
power source, and shoot immediately after the
pilot lamp lights up.