Canon EF - Manual (Page 65)

• In shooting fireworks, the recommended way to
record multiple bursts on the same frame is not by
using the multiple exposure button, but by mount­
ing the camera on a tripod, setting the shutter speed
dial at "B" and holding the shutter open with a cable
release. Set the aperture ring manually to the
appropriate f/stop, using the following table: •
ASA 25 50 100 200 400
f/stop 5.6 8 11 16 22
• Interesting motion studies can be made by
mounting the camera on a tripod, using color film,
and making a triple exposure through a red, a green
and blue filter respectively. Select a scene having
both stationary and moving parts, such as a seascape
with rocks and surf, a crowded street with many
moving cars and people, or a tree whose leaves are
rustling in the breeze. Set the camera on a sturdy
tripod, focus and compose in the normal way.
Multiply the film's normal ASA by 3 and set this
higher rating on the camera's ASA ring. Put a red