B-1000POL-I (opposite side)
TRANSMITTED/
REFLECTED LIGHT
SELECTOR
FILTER
HOLDER
X-Y MECHANICAL
STAGE
TRANSMITTED LIGHT
POLARIZER
FIELD DIAPHRAGM
TENSION
ADJUSTMENT RING
Page 7
LIGHT PATH
SELECTOR
FIELD DIAPHRAGM
APERTURE DIAPHRAGM
DIFFUSING FILTER
SLOT
REFLECTED LIGHT
POLARIZER
COARSE
FOCUSING
KNOB
FINE
FOCUSING
KNOB