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Make sure that the tripod is properly set and that the
horizon is not tilted.
Use bulb mode
Using bulb mode ensures that you don’t have to
predict the exact time of the firework; you can simply
switch to bulb mode and wait. Once the firecrackers
explode you click again and switch it off. Experiment
with the duration and get amazing results. But using
bulb mode has its own disadvantage. If a part of your
frame is appropriately lit it will get overexposed in bulb
mode. Also as the camera’s shutter is open for a longer
period of time than needed for that particular area, thus
overexposing parts of the image. Alternatively one can
hold a card in front of the lens after starting the bulb
mode and remove the card just before the firecracker
explodes in the sky. That way the exposure starts when
you remove the card and the properly exposed parts in
your frame are not overexposed. You still do not touch
the shutter and you don’t miss a picture either.
Manually focus lens to infinity
One of the most common problems faced during
firework photography is getting the camera to focus.
The camera needs to be pre-focused and the focusing
distance is infinity in cases of areal firecrackers. Setting
up and using a back focus button also helps a lot as
the entire process of getting ready for a firecracker to
explode to shooting the firecracker is very short and a
photographer needs to be quick in framing, focusing and
shooting it.
Other general camera settings
Change camera to low light noise reduction
Photo: Nik Osborne