LEITZ LABORLUX S - Centering the Condenser and Setting the Field Diaphragm

Th e sy mb ols on Lh e rotary kn ob of the bin oc ular photo Lub es
mean:
100 % light to the eyepieces
L 50% light to the eyepieces,
50% to the photo ex it
10 % light to the eyepieces,
90 % La the photo exit
Th e viewing angl e of the binoc ul ar SV and FSA-VR tub es can
be adjusted by tilting
Lhe front part of the tube between 0 and
40°, The user can thu s set or alter the vi ewing height to suit
himself.
Fig. 14 Selting the b inon ll ar Lube s
Centring (he condenser and setting the fieJd diaphragm
Focus th e specimen using the coarse and fine drive.
1. Close the fie ld di aphragm. Loosen tbe stop screw and raise
the co nd en se r to it s upperm ost position with the height ad-
justment ( 1. 8).
2. Turn the co ndens er stop screw (1.1 4) to lower the conde nser
until the edges of the field diaphragm appear sharp.
3.
Cen tre the image of the fi eld diaphragm wi th the tw o ce n-
te ring screws.
4. Open the field diaphragm until i(just disappears from the
field
of view.
Fig. 15 Centering the condenser and se ll ing the field cli<lphrtlgm
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