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Leica M series Manual 7
Safety regulations (continued)
Direct contact with eyepieces can be a potential
transmission path for bacterial and viral infec-
tions of the eye.
The risk can be kept to a minimum by using
personal eyepieces for each individual or
detachable eyecups.
Light sources: safety instructions
Protective measures of the manufacturer:
UV protection screen in front of the speci- ★
men plane prevents the user from looking
directly into the UV rays.
Dummy filter carriers in the free positions ★
of the rapid filter changer prevent direct UV
radiation from reaching the eyes.
UV filters are installed in the observation ★
beam paths to protect the eyes.
The stray-light protection on the lamp ★
housing prevents irradiation of the hands.
Warning
UV radiation could damage the eyes. Therefore:
Never look into the light spot on the speci- ★
men plane without a UV protection screen.
Never look into the eyepieces if no excita- ★
tion filter is in the beam path.
Fill empty filter positions with dummy filter ★
carriers (e.g. M165FC).
Do not select a white, strongly reflective ★
background for the stage.