Nikon Epiphot 300 Manual page 39

Inverted metallurgical mocroscope
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( 11) Tum the aperture and field diaphragm dials to open or stop down these two
diaphragms properly.
(12) Put the polarizer and the analyzer in the optical path. Keep the first order red
compensator out of the optical path.
(13) Keep the first order red compensator still out of the optical path. Align the dot index
( • ) on the polarizer rotation ring with the triangle index ( ► ) of the polarizer slider
to attain the crossed Nicols position. This enables simplified brightfield polarization
microscopy to be performed.
(14) Adjust the brightness with ND filters and the lamp intensity control dial.
( 15) Put the first order red compensator in the optical path. It is now possible to carry out
microscopy with sensitive red-violet color.
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