Cop y, Safety precautions – Canon EF 400mm f2.8L IS II USM User Manual
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Safety Precautions
Safety Precautions
Do not look at the sun or a bright light source
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through the lens or camera. Doing so could result in
loss of vision. Looking at the sun directly through the
lens is especially hazardous.
Do not point the lens or camera at the sun or
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photograph it. This is because the lens concentrates
the sun’s rays even when the sun is outside the image
area or when shooting with backlight, which could cause
malfunction or fire.
Whether it is attached to the camera or not, do not
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leave the lens under the sun without the lens cap
attached. This is to prevent the lens from concentrating
the sun’s rays, which could cause a fire.
When the lens is mounted on a camera, be sure to also
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hold the camera by the lens, including when mounting
on a tripod. Only holding by the camera could result in
scratches on the camera body or the lens itself. The lens
may also detach from its mount and fall, causing injury.
Do not use a strap attached to the camera. The mount
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may break, resulting in the lens falling off and causing
injury or in scratches on the camera. Be sure to use the
camera with a dedicated strap attached correctly to the
strap mount on the lens.
Do not stand on top of the lens case. You may fall and
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injure yourself.
Do not pile lens cases on top of one another as they
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may fall and cause injury.
Conventions used in this instruction
Warning to prevent lens or camera malfunction
or damage.
Supplementary notes on using the lens and
taking pictures.
Handling Cautions
If the lens is taken from a cold environment into a
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warm one, condensation may develop on the lens
surface and internal parts. To prevent condensation
in this case, first put the lens into an airtight plastic bag
before taking it from a cold to warm environment. Then
take out the lens after it has warmed gradually. Do the
same when taking the lens from a warm environment
into a cold one.
Do not leave the lens in excessive heat such as in a car
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in direct sunlight.
High temperatures can cause the
lens to malfunction.
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