12 Maintenance & cleaning
12.1 Camera body, cables & accessories
The camera body, cables and accessories may be cleaned by wiping with a soft
cloth. To remove stains, wipe with a soft cloth moistened with a mild detergent
solution and wrung dry, then wipe with a dry soft cloth.
NOTE: Do not use benzene, thinner, or any other chemical product on the camera, the cables or the
accessories, as this may cause deterioration.
12.2 Lenses
All lenses are coated with an anti-reflective coating and care must be taken when
cleaning them. Cotton wool soaked in 96 % ethyl alcohol (C
2
H
5
OH) may be used
to clean the lenses. The lenses should be wiped once with the solution, then the
cotton wool should be discarded.
If ethyl alcohol is unavailable, DEE (i.e. ‘ether’ = diethylether, C
4
H
10
O) may be used
for cleaning.
Sometimes drying marks may appear on the lenses. To prevent this, a cleaning
solution of 50 % acetone (i.e. dimethylketone, (CH
3
)
2
CO)) and 50 % ethyl alcohol
(C
2
H
5
OH) may be used.
NOTE: Please note the following:
■ Excessive cleaning of the lenses may wear down the coating.
■ The chemical substances described in this section may be dangerous. Carefully read all warning
labels on containers before using the substances, as well as applicable MSDS (Material Safety Data
Sheets).
Publ. No. 1 557 536 Rev. a35 – ENGLISH (EN) – January 20, 2004 61
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