Olympus VMZ-2F-W Manuel d'instruction - Page 9

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VII. USE OF OPTIONAL
ACCESSORIES
A. Auxuliary Objectives VM-AL 0.5X, VM-AL 0.75X, VM-AL 1.5X and VM-AL 2X
VM-AL 0.5X
VM-AL 0.75X
VM-AL 1.5X
VM-AL 2X
When
threaded
into the objective shroud, each of these auxiliary objective permits change of
total magnification without changing objective or eyepiece.
Auxiliary obj.
*VM-AL 0.5X
VM-AL 0.75X
VM-AL 1.5X
VM-AL 2X
W.D.
156mm(6.14")
101mm(4")
43mm(1.7")
29mm(1.14")
Total magnification = Objective power x Eyepiece power x Auxiliary obj. power
Field of view diameter in mm =
И
一
Objective power x Auxiliary obj. power
"NOTE:
The VM-AL
0.5X requires an exten-
sion tube (VM-ET) in conjunction with
the
standard
stand
because
of
its
considerably
long
working
distance.
Objective shroud
After screwing the VM-AL
0.5X
into
the objective shroud, attach the exten-
sion
tube
in
position
between
the
objective
shroud
and
the
standard
stand
as illustrated
right:
B. Simple
Polarizing
Filter Set
VM-POL
(with VM-AL 0.5X)
Extension tube
VM-ET
This unit enables observation of birefringent material
in transmitted light.
Ke
Polarizer
Analyzer
Rotation knob
Standard stand
Insert the polarizer into the base opening beneath the stage plate, aligning the white dot
to the recess in the opening edge, and screw the analyzer into the threaded objective shroud.
Rotate the analyzer
rotation
knob,
looking
through
the eyepieces, until extinction is
achieved.