B8
B) with high-performance lamp
The adjustment of the microscope and the microscopic
image is done in the same way as described for the
halogen lamp
⚪ Switch on the desired high-performance lamp with
corresponding power supply.
⚫ Redirect this light with rotating prism into the
microscope for transmitted-light
⚫ When working with mirror house 4, use white-dot
exciter filter. Working with mirror house 2, set exciter
filter to the red dot
⚫ Set sliding mirror for high-performance lamp
⚪ Use neutral density filters for transmitted-light when
needed.
⚫ Evenly illuminate the field with the respective high-
performance lamp collector
Rotating analyzer filter for transmitted-light
⚫ The analyzer filter can be used in the optics carrier
slide cavity (after removing the blocking-filter slide, if
that is in place)
⚫ Pushed in up to the stop (red dot showing), the
analyzer is out of the light path; pulled out to the stop, it
is in place
⚫ The analyzer filter can be rotated through 360°, by 10°
increments on the inner scale. The outer scale indicates
degrees by 1/10°
⚫ The polarization direction is north-south at the 0
position
A readjustment of the analyzer can be carried out as
follows: move the polarizer into place. Hold the
measuring drum of the analyzer at the 0 degree position,
and using a coin, turn the screw at the front of the
measuring drum until the field is quite dark
Transmitted-light filter polarizer
⚫ The swivel-out polarizer filter is located on the
underside of the condenser. The east-west polarization
direction is when swiveled into place
Bertrand lens
The Bertrand lens is used to view the rear focal plane of
the objective lens in the binocular tube or the projection
screen. It is used for polarization-optical investigations
(axis imaging observations) or phase-contrast
examinations (the phase plate to phase ring alignment).
Also can be used to check the front of some objectives for
damage or dirt.
To use the Bertrand lens, push in the pin until it stops;
turn the knurled end of the pin to focus on the objective
back focal plane. To replace the Bertrand lens to its
storage position, pull out the pin until it stops.
Compensators
Standard cross-section 6 x 20mm compensators can be
used in the compensator slide cavity.
Summary of Contents for Univar
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