Working With The Stereomicroscope - Leica M-Series User Manual

Use

Working with the stereomicroscope

In this section
we will show you how to work smoothly with your stereomicro-
scope and how to study objects routinely.
Preconditions for working comfortably
• Pay great attention when setting up your stereomicroscope.
You will only benefit fully from the outstanding optical and
ergonomic advantages of the instrument if you set it up
precisely in accordance with the directions already given.
• For fatigue-free work, use the ErgoModules™ (page 9).
• Arrange your workplace as well as possible, and pay
attention to the heights of chair and table.
• When sitting, use the entire seat area and also the back
support of the chair.
• Support your forearms.
• During work breaks, stand up and move around for exercise.
Tips for your work
The stereomicroscopes are parfocally matched. This
means that, once you have focused on a feature in the
manner described, taking account of dioptric settings
(page 12), you can zoom the magnification up and down
without refocusing. You only need to refocus if you
want to look at higher or lower planes in the object.
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• When focusing on a fresh object, always start with the
lowest magnification, because the larger field of view makes
the object easier to find. Afterwards, select the magnification
you want.
Place the object beneath the
objective.
Illuminate the object.
Select the lowest magnification
position.
Using the focusing drive, set the
working distance approximately
(page 11).
Look into the eyepieces and use
the focusing drive to bring the
object precisely into focus.
Select the highest magnification
position.
Use the focusing drive to
refocus.
Now the object should remain in
focus at all zoom magnifications.
Otherwise, check that your dioptric
settings have been adjusted exactly
as described on page 12.