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Multiple exposures are not possible when the
Motor Drive MA or Power Winder A or A2 is
mounted on the A-1 and in operation. They
are possible even when these accessories are
mounted if you switch them off and advance
the film manually.
There are some situations which seem to call
for a multiple exposure but which are better
handled in another way. One of these is
recording multiple bursts of fireworks on the
same frame. Rather than using the multiple
exposure lever, mount the camera on a
tripod, set the shutter speed at “B”, and set
the aperture ring manually to the appro-
priate f/stop according to the following table.
Hold the shutter open with a cable release
until several bursts are registered on the frame.
ASA 25 50 100 200 400
f/stop 5.6 8 11 16 22
Exposure in Multiple Exposures
Generally, the first exposure of a multiple
exposure should be of a relatively dark
subject so that the image in the next ex-
posure will show up clearly. For best results
in multiple exposures, it is also advisable to
decrease the exposure for each shot. De-
pending on the situation, there are several
ways to do this. One way is to change the
ASA to a higher value as described earlier.
In this method, you must first decide how
many exposures you want to make on the
same frame. If a double exposure, make
both exposures at twice the normal ASA;
if a triple exposure, make all three exposures
at three times the normal ASA; if a quad-
ruple exposure, make all four exposures at
four times the normal ASA, etc.
Another way to correct exposure is to use
the exposure compensation dial at the set-
tings outlined in the table below.
Number of Multiple
Exposures
Exposure Compen
-
sation Scale
Double 1/2
Triple Between 1/2 and 1/4
Quadruple ¼
The method when using the exposure com-
pensation dial for this purpose is the same as
that of changing the ASA. That is, for a
double exposure, the dial should be set to
1/2 for both exposures and so on.
Actually, both methods described above are
only general guidelines, and your technique
will benefit greatly from experience.
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