Leica Microsystems DMI3000 B Mode D'emploi page 99

• For immersion objectives use the appropriate
immersion medium.
OIL: only use optical immersion oil
according to DIN/ISO standards.
Cleaning → p. 109.
W: Water immersion.
IMM: Universal objective for water, glycerol,
oil immersion.
Color coding of objectives
The magnifi cation of each objective is indicated by a color ring in accordance with DIN/ISO stand-
ards:
100x 63x
125x
150x
160x
white dark-
blue
Immersion objectives are marked by an addition-
al, lower color ring.
black oil or Imm (universal objective for
oil, water or glycerin)
white water
orange glycerin
The various engraved markings of the objectives
provide information on their applications:
black or bright fi eld objectives,
dark blue strain-free
green phase contrast objectives,
strain-free
40x 25x 16x
50x 32x 20x
light- dark- light-
blue green green
Caution!
Follow safety instructions for immersion oil!
10x 6.3x
yellow orange
8. Operation
4x 2.5x 1.6x
5x
red brown gray
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