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Removal of immersion oil
n. b.:
Read the safety information for immersion oil!
First wipe the immersion oil off with a clean
cotton cloth and then wipe several times with
ethyl alcolhol.
Acids, alkaline solutions
Particular care should be taken when working
with acids or other aggressive chemicals.
n. b.:
Always avoid direct contact between such
chemicals and the optics or stands.
Obstinate dirt on glass surfaces can be carefully
removed with a clean cloth moistened with
distilled water. If the dirt can still not be
removed, pure alcohol, chloroform or benzine
can be used instead of distilled water.
Cleaning objectives
n. b.:
Objectives should not be screwed apart for
cleaning. If there are signs of interior
damage, send the objectives to your nearest
Leica agency for repair. We also advise
against cleaning the inner surfaces of
eyepieces.
The front lenses of objectives are cleaned as
described under “Cleaning glass surfaces”. The
top lens is cleaned by blowing off the dust with a
bellows ball.
!