INSTRUCTION MANUAL

L-514

STEREO HEAD SCOPE

Thank you for purchasing the HOZAN L-51 STEREO HEAD SCOPE. With proper care andhandling, this fine instrument will provide years of trouble-free operation. Please read thisentire instruction manual carefully before attempting to place this instrument in service.
Please keep this instruction manual available for reference.

Identification of parts and contents

Head
HolderHolderset knob

Sight adjust ring

Focus knob

Head set screw
Lens filter
with adapt ring

Optional parts such as Eyepieces(L-546-10) and Standard Table(L-462) or others are necessary forusing this unit as a microscope.

Specifications

Objectives

Stereo head type

10X(20mmφ)20X(10mmφ)

Pupil distance range

1X/2X selection format

WeightFocusing

１

45°inclined tube
1.1kg

Warning and caution symbols
These symbols are used throughout the instruction manual to alert the user to potential
safety hazards as follows :Warning … Notice when incorrect handling could cause the user's death or serious
injury.
Caution … Notice when incorrect handling could cause injury to the user or material
damage.
Even if the instructions do not have Caution mark, there are some possibilities for aserious situation. Follow the instructions.

Precautions
 Warning
・Do not unnecessarily remove the stereo head or the holder from the post or the holder.
If it becomes necessary to remove them, hold them with both hands to prevent
dropping them and possibly causing injury to personnel.

 Caution
1. Do not disassemble or modify the L-514 yourself, otherwise this could cause
a malfunction.
2. Protect the unit against physical shock or vibration during transport. Otherwise, thiscould cause a malfunction.
3. Do not expose the unit to prolonged direct sunlight, high temperature, high humidity,or dust. Such exposure could cause a malfunction.

Note● Do not allow any dust or fingerprints to get on the lens and the lens filter, to getclear images. (Refer to “Daily care” on page 7.)

Preparation
First, make sure that the contents are complete.
the table sold separately on the１ Settle
inspecting place.
the holder at the low end on the２ Mountpost.
Turn toward the front, then securely
tighten the holder set knob.

２Holder set knob

Preparation
the head.
３ Mount
Turn toward the front and secure thehead set screw into any female
screws, right, left or front.

Head set screw

Remove the cap from the objectives
４ andattach the lens filter accompanied by the adapt ring.

the caps from the barrels.
５ Remove
Then, loosen the eyepiece set screws

Objectives

Lens filter withadapt ring

Eyecup (short)and insert the eyepieces sold separately into the barrels.

Eyepiece

Please use eyecups (long) provided
with the eyepieces if necessary.
< How to attach the eyecup (long) >1. Remove the eyecup (short) .
2. Attach the eyecup (long) as sownin the illustration.

Eyecup (long)
Engage theprojection withthe groove.
Eyepiece

Choose to suit
Eyecup (short)・for persons in spectacles
Eyecup (long)・for persons in contact lenses or without spectacles
Bringing inspector’s cheekbones at eyecups (long) stables his/her eyepoints.
・for blocking the slanting rays

３

Operationagreed “0” of the graduation with each setting dot,
１ Be
refer to the photo, of both the eyepieces.

Keep this setting since the right and left eyesight will be
adjusted at the main unit side (refer to 6 of page 5).
Setting dot

both the sight adjust rings so that
２ Rotate
the silvery setting lines are barely visible.

Sight adjust ring
Setting line

the eyepiece distance with your pupil distance to３ Adapt
view a single circle of the field.
The stereo barrels will rotate drawing arcs interlocking
with (refer to the photo).

an object just under the objectives.
４ Place
Prepare lighting apparatus such as Hozan’s L-711 LED
LIGHT (refer to page 6) if necessary.

for proper focus with the focus
５ Adjust
knob while looking with both eyes.

If the focus knob does not focus
enough, move the holder up anddown under loosening the holder setknob.
Always aim the same point if the surface of the object is not simply flat,otherwise the working distance* could
differ from before and this could notcome into focus.
*Working distance means the dimension from the top of lens filter to theobject.

Holder set knob

Focus knob

 Caution
Loosen the holder set knob while supporting the holder with one hand when move itup and down. Otherwise, the holder could fall down suddenly damaging the unit, theobject and the operator.

４Operation
image is out of focus, it is due to the difference of
６ Ifrighttheandleft eyesight.

First, turn the sight adjust ring for proper focus by looking
with the dominant eye while closing the other eye.
Then, adjust the other eyepiece similarly.

Proceed to procedure 8 if the image looking with both eyes is in focus.
If the image is still not in focus, adjust each eyepiece again.
Treat procedures 5 to 6 and check if the image is in focus.
７ Repeatthese procedures so that a clear image can be obtained whenever the zoom
magnification is changed.

magnification among 1X and 2X.
８ Choose
The working magnification is indicated by
the stamp, carved on the objective barrel,
which comes the front.
The objective barrel rotates only 90°
between these 1X and 2X.

Front

９ Store the L-514 putting the dust sheet and such on after use.
Adjusting the tightness of the focus knob
The tightness of the focus knob for vertical movement can be adjusted.
Turn the right focus knob counterclockwise while holding the left focus knob securely
to decrease the tightness, or turn it clockwise to increase the tightness.
*Do not loosen unnecessarily, otherwise the stereo head could suddenly slidedown.

５

Optional accessories
Use only the following optional accessories manufactured by HOZAN.

Lighting systems
L-711 LED light
The specimen scarcely receives any temperature influence from this LED light, since the generation of heatis extremely insignificant by comparison with otherilluminants. The light has few fluctuations of brightness
and no flicker at all.
Various lighting systems can be used. Please refer to our catalog or web catalog.

Option lenses
L-546-10 Eyepieces (10X), standard
L-546-20 Eyepieces (20X)●●A pair per pack
With eyecups (long & short)* Eyecups (short) are attached when ship.

L-546-10

L-546-20

L-57-0.5 Conversion lens (0.5X)
L-57-1.5 Conversion lens (1.5X)
L-57-2.0 Conversion lens (2X)

Adapt ring

To install, first remove the lens filter, then replace
the conversion lens and lens filter. Do not remove
the adapt ring.

Conversion lensLens filter

The magnification, filed of view and working distance gotten when combining eyepieces,objectives and conversion lenses are follows.

Magnification table

40520 1030 6.67
3830 6.67

60 3.33

40527405mm

X

20 1038*The “working distance” is the distance from the end of the filter to the subject.

６

Field of viewmm φ

L-57-2mmX

Field of view
mm φ

15163

2X

X

10 20163

10 20mmX

401X

L-57-1.5
Field of viewmm φ584mm

X20 1084

20 10mmX

Field of view
mm φmm

10 20Field of view
mm φ

L-546-10(WF10X)
L-546-20(WF20X)

XEyepiece

Field of viewmm φ

L-57-0.5

2X

Field of viewmm φ1X

mm

2X

X

1X

Field of viewmm φ2Xmm

1X

Objective

Standard item

27
80 2.5

Daily careLenses●●

Wipe away any dust gently with a soft cloth or a piece of gauze.
Clean away fingerprints or oil stains with a cloth which is lightly soaked in denatured
alcohol (such as ethyl alcohol or methyl alcohol).
＊ Alcohol is extremely flammable, so handle it with care.

Stereo head and plastic parts●●

Wipe with a soft, dry cloth.
Do not use any organic solvents such as thinner, alcohol or either.
When out of use for an extended period, store this unit in a dry dust-free place.

７1-2-12 Saiwaicho, Naniwa-ku, Osaka 556-0021, Japan
https://www.hozan.co.jp/E/
E-mail：th@hozan.co.jp
23.09