Zeiss Primo Star Mode D'emploi page 43

Primo Star / Primo Star iLED
First, loosen the clamping screw (Fig. 14/12) on
−
the condenser carrier and pull the condenser
out to the front (if necessary, lower the
condenser carrier using the knurled knob
(Fig. 14/22)).
Unscrew the slotted screw (Fig. 35) and screw it
−
into the corresponding bore hole to the right or
left of it. Insert the condenser again.
• Push the slider to the right until perceiving the
lock-in position (to the right or left in the case
of the slider with two phase contrast positions)
to move the phase stop into the light path.
The filter (∅ 22 mm) in the mid-
position of the slider Ph 1 / H / Ph 2
has been
removing the supporting ring it can be
exchanged or removed.
• Open the aperture diaphragm of the condenser completely using its control lever (left limit stop).
• Adjust the illumination intensity as needed.
• Check the centering of the phase stop according to the drawing in Fig. 34. To this end, remove one
eyepiece and replace it by the diopter.
• Center the phase stop, if necessary, (Fig. 34/A) by turning the two adjusting screws of the slider
(Fig. 33/5) by means of the two Allen keys SW 1.5 (Fig. 33/4) until the phase stop image corresponds
to that shown in (Fig. 34/B).
• Afterwards, replace the diopter by the eyepiece again.
For darkfield applications, use the darkfield slider in place of the phase-contrast slider.
11/2013
Start-Up and Operation
factory-installed. After
415500-7344-008
Fig. 35 Slotted screw on the underside of
the condenser
Carl Zeiss
43