Nikon Eclipse E400 - Image Enhancement Techniques; Condenser Focusing and Centering; Color Balancing Filter (NCB11) Usage; Adjusting Lamp Voltage for Color Tone

yt
&
Effects
of
Condenser
Focusing
and
Centering
Center
the
condenser
so
that
the
image
of
the
field
diaphragm
appears
clearly
in
the
center
of
the
view
field.
Hf
not
centered
he
field
diaphragm
will
be
shifted
out
of
position
and
resolution
will
be
reduced.
Always
make
P.27
correctly, the center of i
these
adjustments
when
assembling
the
microscope.
Off-center
SE
|
Out
of
focus
_
Extremely
out
of
focus
ob
_
Correct
adjustment
ーー
roll
|
ian
tt
ně
Image
of
the
field
-
Image
of
the
field
Extremely
poor
diaphragm
is
off-centered
Image
of
the
field
diaphragm
diaphragm
appears
fuzzy
image
quality
appears clearly m the center
of the view field
Effect
of
Color
Balancing
Filter
(NCB11)
if
specimens
are
observed
with
illumination
from
the
lamp
alone,
their
images
are
seen
with
a
yellow
tint.
Using
the
NCBI
filter
gives
the
images
a
natural
color
tone.
This
filter
is
normally
used
when
observing
specimens
by
bright
8
PAG
field microscopy.
Without using the
NCB11 filter
r
Yellowish color tone
Using the NCB11 filter
Approximates natural
daylight color
Effect
of
Lamp
Voltage
Adjustment
ht
becomes
redder.
Conversely.
if
the
voltage
is
increased,
the
d
using
the
NCB11
filter
results
in
the
most
If
the
lamp
voltage
is
decreased,
the
color
tone
of
the
hig
color
tone
of
the
light
becomes
bluer.
Pressing
the
auto-photo
switch
an
natural
color
tone.
ms
P.18
Low
lamp
voltage
z
High
lamp
voltage
-photo
switch
on
nu
e
Reddish
color
tone
Auto-photo
Swite
Bluish
color
tone
Approximates
natural
daylight
color
——%