INSTRUCTION MANUAL

L-546-10
L-546-20
Thank you for purchasing the HOZAN L-546-10 EYEPIECES (10X) / L-576-20 EYEPIECES(20X) . With proper care and handling, this fine instrument will provide years of trouble-freeoperation. Please read this entire instruction manual carefully before attempting to place
this instrument in service. Please keep this instruction manual available for reference.

Identification of parts and contents
Eye cup (short)

L-546-10
Accessories

Eye cups (long)
Eye cup (short)
Units: mm

L-546-20

61 *1

57 *1

φ30

φ30*1 When eye cups (short) attached,graduation “0” adjusted to setting dot.

Specifications
Objectives
Weight

L-546-10
L-546-20
WF10X, Field number:20 WF10X, Field number:10
175g *2235g *2*2 When eye cups (short) attached１

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 materialdamage.
Even if the instructions do not have Caution mark, there are some possibilities for aserious situation. Follow the instructions.

Precautions
 Caution
1. Do not disassemble or modify the eyepieces 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.

Preparation

１ First, make sure that the contents are complete.
the L-46 MICROSCOPE or the L-461
２ Prepare
STEREO HEAD SCOPE.

Eyecup (short)Remove the caps from the barrels. Then, loosen
the eyepiece set screws and insert the eyepieces into the barrels.

Eyepiece
Eyepiece set screw
Setting dot

Drive the eyepiece set screws gently so that theeyepieces stay and the setting dot [・] of them,refer to the photo, point at the zenith.
Please use eyecups (long) 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
* Please refer to each instruction manual for operation of the L-46 and the L-461.

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

Setting dot

the eyepiece distance with your pupil distance to２ 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.
３ Place
Prepare lighting apparatus such as Hozan’s L-711 LED
LIGHT if necessary.

the zoom adjust knob to 4.5
４ Adjust
maximum magnification.
４.５

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
Zoom adjustknob
Focus knob

０.７

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

６ Adjust the zoom adjust knob to 0.7.
３Operation/

If the image is out of focus, it is due to the difference of right and left eyesight.
First, turn the draw tube 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.
Regardingof the graduation
A nearsighted person should turn to minus side and a farsighted person should turnto plus side.

Treat procedures 4 to 7 and check if the image is in focus.

8Repeat these procedures so that a clear image can be obtained whenever the zoom
magnification is changed.
Store the L-46 putting the dust sheet on after use.

Q

Taking notes of sight adjust value can omit procedure 7 when the next work.

Magnification table
Objective〇.

Conversion
lens

EyepieceNo

1 -4.ロ八

L-57-0.5

L-57-2

L-57-1.5

Magni­ Field of Working Magni­ Field of Working Magni­ Field of Working Magni­ Field of Workingfication view distance fication view distance fication view distance fication view distancemm0mm0mmmmmm必mmmm必mm
XX
XX

L-546-10(Standard)

745

28.54.4

L-546-20

1490

14.32.2

84

3.522.5

57.18.9745

28.54.4

160

10.567.5

19.02.921135

9.51.543149014.32.2

28180

7.11.126

Note• Do not allow any dust or fingerprints to get on the lens to get clear images.

Daily care
LensesWipe 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 I PA or
denatured alcohol (such as ethyl alcohol or methyl alcohol).
參氺Alcohol is extremely flammable, so handle it with care.

HOZAN TOOL INDUSTRIAL CO., LTD.
1-2-12 Saiwaicho, Naniwa-ku, Osaka 556-0021, Japan
https://www.hozan.co.jP/E/
E-mail: th@hozan.co.jp

423.09