Canon RF-24-105mm-f-4L-IS-USM Instructions Manual page 4

General Precautions
Handling Precautions
If the lens is taken from a cold environment into a
z
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.
Please also read any lens related handling
z
precautions listed in your camera's instruction
manual.
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