
MODEL
KHC
INSTRUCTIONS
Contents
I.
Standard Set 1
IT.
Specifications..·······..·..·····....··....····..··
....··..
···..·..·..·····..·....··..
······..· 1
m.
Name of Parts·················································································2
N. Optical Path
..··....··..
····....
··
··
····..·..·..·..·..··..·
·· ··
·..··..· · 2
V.
Structure
and
Assembly..··
· ·..··
·3
VI.
Method of Operation..· ·..· ·
·4
A.
SmootheningofCoarse
Adjustment
knob
B.
Light
Source
C.
Focusing
D.
Interpupillary
Distance and
Diopter
Adjustments
E.
UseofOil Immersion
Objective
F.
UseofCondenser
G.
ChangeofBulb
vll.
Optical Characteristics 6
W.
Major Troubles with Microscope, their Possible
Causes
and
Applicable Steps to
be
Taken ·.. ·
..
··7
IX.
Important Points to Remember ·
..
·8

I.
Standard Set
Main
Body:
(built-in
light
source,
stage
and
revolving
nosepiece)
Binocular Head
Objectives:
4x,
lOx,
40x,
lOOx,
Eyepiece ;BiWFlOx
Condenser
Filter
Spare Lamps ;
20W
Eyepiece
tube
cap
Dustproof
Cap
(for
projection
lens)
Cargille Oil
Vinyl cover
CertificateofInspection
IT.
Specifications
1
set
1
set
lea.
1 pr.
1 pc.
1 pc.
3 pcs.
2 pce.
1 pc.
1
btl.
1 pc.
1
copy
Height
Width
Depth
Net
weight
Head:
Binocular Head
Revolving nosepiece :
Focusing:
Coarse
abjustmemt
:
Fine
adjustment:
Condenser:
Illumination:
Stage:
Dimensions :
45
0
inclination,
rotatable
through
360
0
horizontally;
Stoppertofix
the
headatany designed
position.
Rangeofinterpupillary
distance
adjustment:
55.5-74mm.
Dioptric
adjustment
is possible.
Quadruple
indicator
for
Objectives'
position
Vertical
movement
stage
Rangeofoperation
28mm
Rangeofoperation
2mm
N.A.1.25
Variable iris-diaphragm
Rangeofvertical
movement
15mm
Pre-centered
20W
light
source is
built
inside the base.
Coaxial single-handle square mechanical
stage
Rangeofoperation:
Back-forth
30mm
Right-left
70mm
355mm
165mm
205mm
approx.
5.5kg
without
case
-1-

V.
Structure
and
Assembly
A.
Main Body
Head mount
Head
i~
atta('hl~d
upon
this
mount.
Arm
Slage
back-forth
movement knob
Spl'('iml'n ca"bemO\'t"d
back
and
forthin" rangll of
30mm.
Slage
right-left
movement knob
Sp('cimen
canbemO\'cd
ri..::hl
andl..hin
,)
ranlo1l'
uf
70mm.
Pre-set focusing lock
Fine adjustment knob
StalCe
canbemoved
\'erticaJly
in
minute
mo\'l'mcnt
in
il range
of
2mm.
Power source
cord
1.
Revolving
Nosepiece
Revolving nosepiece
Stage
clip
Stage
Condenser mount
Condenser locking screw
Condenser vertical movement knob
Conden~er
can
hl'
mon
..
J
uv
and
downina range of
lSmm
Projection
lens
This
is a detachable
screw-in
type lens.
This
can
be
remo\'cd when mirror is used.
Illumination switch
Push one end of the
switch
marked
with
a white
dOl.
to switchonthe illuminator.
The
quadruple
nosepiece
moves
very
lightly
and
click-stopsinthe
right
position
for
the
optical
path.
Mount
the
objectives
in such
an
order
that,
when
the
nosepiece is
turned
clockwise
during
observation,
an
objectiveofthe
next
higher
magnification
will
come
into
position.
2.
Pre-set
focus
lock
When
the
lockistightened,itwill
hinder
the
movement
of
the
stage
further
upward
from
that
point.
When
the
stageismoved
down once and again
broughtupcloser
to
the
lens,itwill
stopatthe
position
setbythe
lock.
This
will
help
prevent
the
speciment
to
crash
against
the
objective
and
further
facilitates
an
easy
focusing
for
the
observer.
3 -

3. Condenser
Insert
the
condenser
(1)
from
underneath
into
the
con-
denser
(g)
and secureitin
position
by
tightening
the
locking
screw
(3J.
B/';-':Binocular Head
CD
Dioptric
adjustment ring
Turn
this
ring to adjust
the dioptric
difference
between
the right and
left
eyes.
Eyepiece tube seal
Holdin~
these seats,
pull the
lubes
apart
or
push them
closer
(or
interpupilbry
distance
adjustmpnt.
Head
mounting ring
Tht'
headis£ixt.'d10th
..
main
booy
by
thi~
ring.
Interpupillary
dislance scale
/
Eyepiece
tube
Putinthe
eyepiece.
Clamping screw
Th~
head
is fixed· at
tll<'
desired
positionbythis
screw.
o How
to
Mount
the
Head
Place
the
head on the
receptacleatthe
upper
end
of
the
arm
and
turn
the
mounting
ringtefix
it.
VI.
Method of Operation
A. Smoothening of Coarse Abjustment Knob
This
coarse
adjustment
knob
operates
rather
heavily
However. such can be
adjustedtothe
operator's
preference. Hold
both
knobs
firmly,
turn
them
counterclo
kwise
(as
shown in
the
illustration)tomake
it
operate
lightly,
and
clockwise
heavily.
B.
Light
Source
Connect
the
cord
(from
the
base)
with
the
power
source. Press
the
switchonthe
white-
dotted
sidetoturnonthe
lamp.
- 4 -

c.
Focusing
1. Turn
the
fine
adjustment
knobtobring
the
index linetothe
middle
of
the
two
lines
(movement
range).
2. Place
the
specimen on
tne
stage
and secureitwith
the
clips.
3.
Put
the lOX
objectiveinposition.
4.
Looking
from
sideofthe
microscope,
move
the
stage
upward
carefully
by
the
coarse
adjustment
knob
until
the
specimen is
brought
very
close
to
the
tip
of
objective.
(**
Be
most
careful
nottohit
the
objective.)
5.
Looking
through
the eyepiece,
gradually
lower
the
stagetoobtain
rough focus.
6.
Turn
the
nosepiecetoset
the
desired
objectiveinposition.
Accrately
focus
with
the
fine
adjustment
knob.
7.
The specimen
maybemovedbythe
slide
manipulation
knob,
built
on
the
stage
so
that
the
particular
spottobe
observed
comes
into
the
centerofthe
view
field.
**** For convenience in the
later
operations,
tighten
up
the
pre-set
focus
lock
when
the
specimen is
roughlyinfocusatstep
5, above. (See
forV-A-2,
Pre-set
focus
lock)
D.
Inter-pupillary Distance
and
Dioptor Adjustments
1. The
interpupillary
distanceisadjusted
by
a.
Holding
both
eyepiece
tube
seats,
b.
Looking
into
the eyepieces, and
c.
Pulling
apartorpushing
closer
the
seats
until
the
view
fieldisobserved
in one.
When
the
adjustment
is made, read
the
figure
on the
scale;
this
will
make
the
adjustment
easier
from
the
next
time
on, asitcan be done
by
merely
setting
the
tUbes
at
the
given
figure.
2.
Diopterisadjusted
by
a.
Looking
through
the
right
eyepiece
with
the
right
eye,
b. Focusing on
the
specimenbythe
coarse and
fine
adjustment
knobs,
c. Then
looking
into
the
left
eyepiece
with
the
left
eye, and
d.
Turning
the
diopter
ring
until
the
specimen is
brought
into
focus
correctly.
When
looking
into
the
left
eyepiece
with
the
left
eye,donot
touch
the
coarseorfine
adjustment
knob.
E.
Use
of
Oil
Immersion Objective
First,
bring
the
specimen
into
focus
withalow
magnification
objective
(lOX).
Apply
a
dropofcargille
oilonthe
specimen as
wellasat
the
tipofthe
oil
immersion
objective.
Turn
the
nosepiecetobring
the
oil
immersion
objective
above
the
specimen.
This
can be
done
without
the fearofcrashing
them
into
each
other.
Focus
accurately
with
the
fine
adjustment
knob
and make
observations.
Upon
completionofobservations,
carefully
wipe
off
cargille
oilonthe
oil
immersion
objective
with
a pieceofgauze
moistened
with
xylol.
****
Cargille
oil
left
on
the
objective
can ruin the lens
greatly.
An
utmost
care
is
requiredinthis
point.
-5-

F.
Use
of Condenser
Ifanobjectiveoflow
magnification
(less
than
10X)
is in use,
lower
the
condenser
slightly
to
avoidanuneven
illumination
as
wellasforabetter
result.
The
upper-lens
of
the condenser
may
be removed. Removalofthe
upper-lens
givesabetter
result
than
loweringofthe condenser. When
the
oil-immersion
objective
is in use,
move
it
up
to
the
topofits
movement
range.
G.
Change
of
Bulb
Lay
down
the
microscope,
and loosen
two
screwsCDunderside
the
base
withacoin
or
something
like
that.
Remove the
cover
and change the used
lamp
with
a new one.
vI.
Optical Characteristics
Objective
Magnification
I
4x
1
10x
1
40x
I
100x
"",
".
Numerical
I
0.1
1
0.25
I
0.65
1
1.3
'"
aperture
(N.
A.)
'"
Working
distance
I
19.771
I
I
"
,
5.1
0.4
0.11
"'"
(W.
D.)
Eyepiece
"'.
Focal
length
I
29.2
i
15.7
I
4.3
I
1.8
""
Total
magnification
I
40x
I
100x
I
400x
11'OOOX
WF
10x
(Number
Depthoffocus
I
112.5
I
18.0
I
2.0
I
0.6
of
viewfield
18)
I
Actual
viewfield
I
4.5
I
1.8
I
0.45
I
0.18
- 6 -

VIII.
Major troubles with microscope, their
possible
causes
and
applicable steps to
be
taken.
Troubles
I
Possible causes
1
Stepstobe taken
Slipping
downofthe
Loosened coarse
See
SmootheningofCoarse
stage
by
itself
adjustment
knob
Adjustment
knob
and
pro-
perly
adjust
it.
Coarse
Adjustment
1.
AxisofCoarse
Adjust-
1.
Take
reverse
steps
of
knob
too
heavy
ment
knob
overly
the
above.
tightened
2.
Hardened greaseonthe
2.
Notify
the
sliding
surface.
manufacturer.
-
Fine
Adjustment
knob
Hardened grease on
the
Notify
the
manufacturer.
too
heavy
sliding
surface
Dust/Oirt
on
objective
1.
Eyepiece
tubes
are
left
Wipe
off
the
top
lensofthe
without
eyepieces
or
objective
with
clean gauze;
cap.
do
not
touch
inner lenses
2.
Fingerprints
leftonthe
but
notify
the
manufacturer
lens;
Lens
hitting
the
speci-
men;
or
cargille
oil
left
on
the
oil-Immersion
lens.
Dust/Dirt
on eyepiece
1.
Careless
storage.
1.
Be
suretostore
the
eyepieces
after
use in
the
provided
container
or
in a
desiccator
2.
Fingerprints
left
on
the
2.
Wipe
off
with
clean
lens
surfece
gauze. Do
not
try
to
disassemble
the
eyepiece. Any change in
arrangement
of
lenses
can
deteriorate
the
entire
opical
efficiency.
Scratches on
the
lens Lens
was
wiped
with
a piece
Immediately
notify
the
of
clothorleather
while
manufacturer.
The lens
will
dustorfilthisstill
left
on.
be replaced
at
the
actual
cost.
- 7 -

IX. Important points to remember
Dampness and
dust
is a
taboo
for
the
microscope. But,
frequently,
a lab where
the
microscope
is used is
not
freeofsuch.Itis the besttostore
microscope
after
each use
in
the
provided
container.Iffrequent
observations
make
it
impossible,
at
least
cover
the
instrument
with
the
provided
vinyl
cover.
The
objectives
and eyepieces should best be
stored
in a
desiccator.
Also recommended
is
to
place a packofsilicagel
in the container.
After
the eyepiece is removed
from
the
instrument,
be suretocover
the
eyepiece
tube
with
the
provided
cap. Never
attempt
to
disassemble or
repair
the mechanical
partsofthe
microscope.Itmust
be done
by
specialists.
Cleaning
must
be
performed
with
utmost
care. For expample,
dust
off
with
a
soft
brush or
blow
off
byarubber
ball where hands cannot reach.
Mirror
(optional
accessory)
In
general,
microscopy
with
KHCisconducted
with
the
projection
lens on. However,
for
special
illumination
effect
this
mirror
can be used
for
high
magnification
lens. and
the
other
side, concave surface, is good
for
observation
with
low
magnification
objl'ctives.
- 8 -