Leica DMLB Bedienungsanleitung Seite 28

D (or A, B, C)
Pupil position of the objective (important for ICT
interference contrast and ICR
Objective type (performance class):
C PLAN
Achromat
N PLAN
Planachromat
®
PL FLUOTAR , HC PL FLUOTAR,
HCX PL FLUOTAR
Semi-Planapochromat
PL APO
Planapochromat
10x/0.22
Magnification and aperture. The aperture (pick-
up angle) influences resolution, field depth,
contrast and brightness. Objectives with a built-
in iris diaphragm are engraved with their
maximum and minimum aperture, e.g. 0.85-0.55
(Fig. 25.4).
Fig. 26 Objective spacer rings for adapting objectives with
smaller thread
32/RMS
25/RMS
28
p. 48).
OIL, W, IMM
Immersion objectives for: oil, water, universal
(oil, water, glycerine, etc.) → p. 33.
PH
PH = phase contrast objective, the corres-
ponding light ring in the condenser is also
indicated, e.g. PH 2.
BD
BD = Brightfield/Darkfield; objectives for inci-
dent light microscopy with M32 thread.
P, POL
Strain-free objective for quantitative polarized
light microscopy.
32/25
!
Attention:
Objectives with built-in iris diaphragm!
The knurled ring may only be used to adjust
the diaphragm, not for screwing in and out.
Risk of damage!