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You do not wear glasses and prefer close contact with 10×/21B
wide-field eyepieces for persons wearing glasses:
̈Holding the diopter ring, turn the eyecup
counterclockwise until it is released.
̈Pull the eyecup upwards.
̈Holding the diopter ring,
turn the eyecup clockwise.
Persons wearing glasses need the
whole of the available distance.
Move the eyecups to the lowest
position.
The 10×/21B wide-field eyepieces for persons wearing glasses
are supplied with soft eyecups, which can be attached to the in-
tegrated eyecups made of hard plastic to achieve the following:
– Prevent eye infections if several users are working at the
same instrument (see p. 7).
– Protect your glasses from being scratched.
The 10×/21 wide-field eyepieces are supplied with laterally
tapered soft eyecups.
Setting the working distance, focusing = obtaining a
sharp image
• To focus, use the focusing drive to raise or lower the stere-
omicroscope until the feature of interest is in focus ≅ working
distance to the objective.
The working distances of the various objectives are listed in
the tables on pages 62 – 66.
• The focusing drive can be operated from either the right or
the left side.
• When focusing on a new object, always start with the lowest
magnification, because the larger field of view makes the
object easier to find. Afterwards, select the desired magnifi-
cation.
Selecting the degree
of eye contact
Soft
eyecups
16
Leica M Stereomicroscopes – Operation