OPTIKA MICROSCOPES SZM-GEM Series Manual de usuario
microscopes
i T A L Y
OPTIKA MICROSCOPES - ITALY
Ver. 3.2.0
SZM-GEM
OPERATION MANUAL
GUIDA UTENTE
MANUAL DE INSTRUCCIONES
Page 2
INDEX
1.0 DESCRIPTION page 3
2.0 INTRODUCTION page 4
3.0 UNPACKING AND ASSEMBLY page 4
4.0 USING THE MICROSCOPE page 5
4.1 Illumination system
4.2 Adjust interpupillary distance
4.3 Focus and regulation of the focusing tension
4.4 Dioptric compensation
4.5 Magnification and working distance
4.6 Video capturing (optional)
5.0 MAINTENANCE page 7
5.1 Microscopy environment
5.2 To think about when and after using the microscope
5.3 Electrical safety precautions
5.4 Cleaning the optics
5.5 Changing the lamp bulb
6.0 TECHNICAL SPECIFICATIONS page 8
7.0 OPTIONAL ACCESSORIES page 9
7.1 Eyepieces and auxiliary objectives
7.2 List of available accessories
8.0 RECOVERY AND RECYCLING page 10
Page 3
1.0 DESCRIPTION
OBJECTIVES
ZOOM KNOB
INCIDENT
ILLUMINATOR
FOCUSING KNOB WITH
TENSION CONTROL
BRIGHTFIELD/DARKFIELD
SELECTOR
BRIGHTFIELD / DARKFIELD
ILLUMINATOR
DIOPTRIC
COMPENSATION
EYEPIECES
SAMPLE CLIP
BRIGHTNESS
CONTROLS
PHOTO PORT
TRINOCULAR HEAD
(FOR SZM-2-GEM)
Page 4
2.0 INTRODUCTION
The OPTIKA zoom stereo microscopes SZM-GEM series are high performance Greenough micro-
scopes with continuous zoom system 0.7:4.5.
These instruments are made for examining any three dimensional object in industrial, biological and
educational applications, and especially for gemmological use. They are equipped with two separa-
te optical systems that give an excellent field depth to the image, a stereoscopic effect.
The advanced illumination system, using a combination of halogen incident light and LED brightfield/
darkfield transmitted light, allows a thorough and complete analysis of the surface of the object.
There are, at the moment, 2 models in the series:
SZM-1-GEM:Binocular head. Simple stand for incident light with focusing controlled by a pair of
knobs. Base size: 29x23 cm; stand height: 22 cm.
SZM-2-GEM: Trinocular version of model SZM-1-GEM. Suitable for photo/video applications.
The components for the SZM series are shipped in a Styrofoam box for protection. Open the box
with care to avoid that any components fall out and get damaged.
If the instrument has been damaged during the transport, please contact both the carrier and your
supplier immediately.
Unpack the stand and put it on a good stable table. Loosen the lock screw of the focusing carrier,
adjust the height of the focusing carrier and lock the lock screw again.
Put the stereo head onto the focusing carrier and lock it by the lock screw on the side of the focu-
sing carrier. During the operation of the microscope, this screw should always be locked to maintain
maximum stability.
Unpack the eyepieces and other optical parts carefully and place the eyepieces into the eyepiece
tubes. When handling the optical parts, avoid touching any lens surface with naked hand or fingers.
Any fingerprints or grease stains will negatively affect the image quality.
If you’re planning to use the sample clip for gemstone inspection, unpack it and screw it on the ap-
propriate hole in the stand near the illuminator.
3.0 UNPACKING AND ASSEMBLY
Page 5
4.0 USING THE MICROSCOPE
4.1 Illumination system
The SZM-1-GEM and SZM-2-GEM come with an integrated illumination system based on
incident and brightfield/darkfield transmitted light. By using the correct light it’s possible to
obtain the best image of your sample.
Before starting, read the section 5.3 about electrical safety precautions. Then, insert the
power cord and use the brightness controls to turn on the lamps and control the light intensi-
ty.
The incident light intensity knob allows to switch on and adjust the light coming from the ha-
logen lamp above the sample.
The Brightfield/Darkfield knob allows to adjust the light intensity coming from the LED illumi-
nator.
The Brightfield/Darkfield selector knob includes 3 positions: only darkfield, only brightfield, or
both darkfield and brightfield off.
When using brightfield illumination, it’s possible to shift the black velvet slider by pulling the
lever:
Brightfield/Darkfield intensity adj.
Incident intensity adj.
Brightfield/Darkfield selector
Page 6
4.2 Adjust interpupillary distance
Hold the right and left parts of the observation head by both
hands and adjust the interpupillary distance by moving the two
parts until one circle of light can be seen. If two circles appear,
the interpupillary distance is too big, and if two overlapped cir-
cles appear, the interpupillary distance is too small.
4.3 Focus and regulation of the focusing tension
Put the sample to be observed on the plate and turn the zoom
to the highest magnification using the bilateral zoom knob. Try
to focus the sample using the focusing knobs.
If necessary adjust the height of the microscope head along
the vertical stand. Remember to lock the lock screw and sup-
port collar after aligning the height of the microscope.
The tension of the focusing knob can be adjusted by rotating
the right focusing knob keeping still the left focusing knob.
4.0 USING THE MICROSCOPE
4.4 Dioptric compensation
This compensation makes it possible for people with glasses to adjust the microscope to their eyes
and use the microscope without glasses. Turn the zoom down to the lowest magnification. Adjust the
diopter compensation ring of the right eyepiece tube until the image of the right eyepiece is clear and
sharp. Repeat the procedure for the left eyepiece. Then, check the focus of the image for the whole
zoom range. It should now be perfectly parfocal (focus is always maintained during the change of
magnification).
4.5 Magnification and working distance
The total magnification varies from 1.75x to 180x depending on the eyepieces and auxiliary objecti-
ves used. With the bilateral zoom knob, the user can change the magnification in a factor of 6.4 with
perfect parfocality and the image is always centred.
Select the desired magnification by adjusting the bilateral zoom knob. Change the eyepieces and/or
add an appropriate magnifying objective lens if necessary. The total magnification used can be cal-
culated by the following equation:
Total magnification = Eyepiece magnification x Zoom magnification x Objective lens magnification
Normal working distance for the standard configuration (1x objective lens) is 95 mm.
Page 7
4.6 Video capturing (optional)
Two kinds of observation heads, binocular or trinocular, are available for the SZM series.
They can all be connected to cameras via an adaptor, for digital and analogical photo and
video capturing.
Before taking a picture or filming video, pull out the light path selector lever so the light will be
deflected into the photo tube. At the same time, no light will enter into the right eyepiece tube
for observation. Please refer to the adaptor and camera manuals for further details.
5.1 Microscopy environment
This microscope is recommended to be used in a clean, dry and shock free environment with
a temperature of 0-40°C and a maximum relative humidity of 85 % (non condensing). Use a
dehumidifier if needed.
5.2 To think about when and after using the microscope
• The microscope should always be kept vertically when moving it and be careful so that no
moving parts, such as the eyepieces, fall out.
• Never mishandle or impose unnecessary force on the microscope.
• Never attempt to service the microscope yourself.
• After use, turn off the light immediately, cover the microscope with the included dust-cover,
and keep it in a dry and clean place.
5.3 Electrical safety precautions
• Before plugging in the power cord with the supply, make sure that the supplying voltage of
your region matches with the operation voltage of the equipment and that the lamp switch is
in off-position.
• Do not turn the power on and off, off and on immediately as this will shorten the life span of
the bulb and may cause damage to the electrical system.
• Users should observe all safety regulations of the region. The equipment has acquired the CE
safety label. However, users do have full responsibility to use this equipment safely.
4.0 USING THE MICROSCOPE
5.0 MAINTENANCE
Page 8
5.0 MAINTENANCE
5.4 Cleaning the optics
• If the optical parts need to be cleaned try first to: use compressed air.
• If that is not sufficient: use a soft lint-free piece of cloth with water and a mild detergent.
• And as a final option: use the piece of cloth moistened with a 3:7 mixture of ethanol and
ether.
Note: ethanol and ether are highly flammable liquids. Do not use them near a heat source,
near sparks or near electric equipment. Use these chemicals in a well ventilated room.
• Remember to never wipe the surface of any optical items with your hands. Fingerprints can
damage the optics.
• Do not disassemble objectives or eyepieces in attempt to clean them.
5.5 Changing the incident lamp bulb
Before changing the bulb, make sure that the power switch is off and the power cord has been
disconnected from the main supply.
Unscrew the lamp collector piece and pull it out, remove the old light bulb from the socket,
and carefully plug the new bulb in. Screw the collector piece back after changing the bulb.
Never touch the glass surface of the bulb with naked hand, any grease stain brought onto the
bulb by the hand will negatively affect the heat dissipation, and thus, greatly shorten the life
span of the bulb. Clean the bulb surface with alcohol and tissue if the user has touched the
bulb surface accidentally.
Universal Power: 230 V, 50/60 Hz
Lamp (transmitted light): 12V LEDs array
Lamp (incident light): 12V/15W Halogen bulb with dichroic mirror
6.0 TECHNICAL SPECIFICATIONS
Page 9
7.1 Eyepieces and auxiliary objectives
With the standard equipment is included a pair of 10x eyepieces. There are also 15x and 20x
eyepieces available as optional accessories.
To change the eyepieces, remove the original eyepieces and replace with the new pair.
The standard objective is 1x and as optional accessories there are 0,5x, 1,5x, and 2x additio-
nal objectives. An additional objective can be needed to obtain a specific magnification or a
different working distance.
The additional objective is mounted simply by screwing it onto the stereo-head. The height
of the microscope has to be re-adjusted as the working distance is changed when additional
objective is used.
7.2 List of available accessories
ST-081 Eyepieces (pair) W F10x/20 mm
ST-082 Eyepieces (pair) W F15x/15 mm
ST-083 Eyepieces (pair) W F20x/10 mm
ST-084 Micrometric eyepiece W F10x/20 mm
ST-085 Additional lens 0,5x
ST-091 Additional lens 0,75x
ST-086 Additional lens 1,5x
ST-087 Additional lens 2x
ST-041 Sample clip
ST-089 Reflex camera adapter
ST-090 CCD camera adapter
ST-036 Eye cups (pair) type 2
ST-012 White/black object-plate, type 2 dia. 95 mm
ST-038 Halogen bulb, 12V/15W
ST-037 Halogen bulb, 12V/15W, with dichroic mirror
ST-033 Dust cover type 13
Please contact Optika Microscopes for more information and a complete list of accessories.
7.0 OPTIONAL ACCESSORIES
Page 10
8.0 RECYCLING AND RECOVERY
Art.13 Dlsg 25 july 2005 N°151. “According to directives 2002/95/EC, 2002/96/EC and 2003/108/EC
relating to the reduction in the use of hazardous substances in electrical and electronic equipment
and waste disposal.”
The basket symbol on equipment or on its box indicates that the product at the end of its useful life
should be collected separately from other waste.
The separate collection of this equipment at the end of its lifetime is organized and managed by
the producer. The user will have to contact the manufacturer and follow the rules that he adopted
for end-of-life equipment collection. The collection of the equipment for recycling, treatment and en-
vironmentally compatible disposal, helps to prevent possible adverse effects on the environment
and health and promotes reuse and/or recycling of materials of the equipment. Improper disposal
of the product involves the application of administrative penalties as provided by the laws in force.
Este manual sirve para los siguientes modelos
2
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