15
1
Using the Bertrand Lens (U-CPA only)
(Fig. 17)
By manipulating the Bertrand lens knob @ on the front, the Bertrand
lens is inserted into or removed from the light path. At the pushed-in ({)
position, the lens is engaged. At the pulled-out (
¦
) position, the lens is
removed from the light path.
4-2 Intermediate Polarizing Attachment
2
Using the Analyzer
(Fig. 18)
3
Focusing the Conoscopic Image (U-CPA only) (Fig. 18)
The analyzer @ is engaged when pushed in to the second click-stop
position. To disengaged the analyzer, and to place the empty hole in the
light path, pull the analyzer out to the first click-stop.
To focus the conoscopic image, manipulate the Bertrand lens focusing
knob ². While observing the conoscopic image, move the knob to find
the position where image is sharply focused.
FIg. 17
FIg. 18
