Leica S Series User Manual 1
Living up to Life
Leica S8 APO B
User Manual
Leica S Series User Manual 2
Copyright
Revision 1.0, published March 14, 2013 by:
Leica Microsystems Wetzlar GmbH
Ernst Leitz-Straße 17-37
D-35578 Wetzlar (Germany)
http://www.leica-microsystems.com
Responsible for contents:
Marketing CMS
All rights to this documentation are held by
Leica Microsystems CMS GmbH. Reproduction
of text or illustrations (in whole or in part) by
print, photocopy, microfilm or other method
(including electronic systems) is not allowed
without express written permission from Leica
Microsystems CMS GmbH.
The instructions contained in the following
documentation reflect state-of-the-art technology. We have compiled the texts and illustrations as accurately as possible. Still, we are
always grateful for comments and suggestions
regarding potential mistakes within this documentation.
The information included in this manual may
be changed without prior notice.
Leica S Series User Manual 3
Function of the Microscopes
The Leica S8 APO B microscope, for which
this User Manual has been written, is used for
routine examinations of cell and tissue cultures,
liquids and sediments. This includes examining
specimens taken from the human body for the
purpose of gaining information about physiological or pathological conditions or inborn
anomalies, or testing for safety and compatibility for potential recipients, or for monitoring
therapeutic measures.
IVD
The above-named microscopes comply with
the Council Directive 98/79/EC concerning in
vitro diagnostics.
The manufacturer assumes no liabil-
ity for damage caused by, or any
risks arising from, using the microscope for
other purposes than those for which they are
intended or not using them within the specifications of Leica Microsystems CMS GmbH.
In such cases, the Declaration of Conformity
shall be invalid.
Leica S8 APO B identification label
These (IVD) instruments are not
intended for use in the patient environment defined by DIN VDE 0100-710. Nor are
they designed to be combined with medical
instruments in accordance with EN 60601-1. If a
microscope is electrically connected to a medical
instrument in accordance with EN 60601-1, the
requirements listed in EN 60601-1-1 shall apply.
Not suitable for examining potentially infectious specimens.
This type of instrument may
be operated by trained laboratory personnel
only.
Leica S Series User Manual 4
General Notes
Use in clean rooms
The Leica S series can be used in clean rooms
without any problems.
Cleaning
▶ Do not use any unsuitable cleaning agents,
chemicals or techniques for cleaning.
▶ Never use chemicals to clean colored
surfaces or accessories with rubberized
parts. This could damage the surfaces,
and products could be contaminated by
abraded particles.
▶ In most cases, we can provide special solu-
tions on request. Some products can be
modified, and we can offer other accessories for use in clean rooms.
▶ The cleaning of glass surfaces and objec-
tives in particular should be carried out
exclusively as outlined in the brochure
"Cleaning of Microscope Optics". The information can be downloaded at:
http://www.leica-microsystems.com/prod-
ucts/
. Select your product and go to the "Down-
load" page.
▶ For additional information, refer to page
51.
Servicing
▶ Repairs may only be carried out by Leica
Microsystems-trained service technicians.
Only original Leica Microsystems spare
parts may be used.
Responsibilities of person in charge of
instrument
▶ Ensure that the Leica stereomicroscope
is operated, maintained and repaired by
authorized and trained personnel only.
Leica S Series User Manual 5
Important Safety Notes
User Manual
This User Manual describes the special functions of the Leica StereoZoom® stereomicroscopes (S series) and contains important
instructions for their operational safety, maintenance, and accessories.
You can combine individual system articles
with articles from external suppliers (e.g. cold
light sources, etc.). Please read the User Manual
and the safety instructions from the supplier.
Before installing, operating or using the instruments, read the user manuals listed above. In
particular, please follow all safety instructions.
To maintain the unit in its original condition
and to ensure safe operation, the user must
follow the instructions and warnings contained
in these user manuals.
We guarantee the quality of our products.
Our guarantee covers all faults in materials
and manufacture. It does not, however, cover
damage resulting from careless or improper
handling.
Leica S Series User Manual 6
Symbols Used
Warning! Safety hazard!
This symbol indicates especially important information that is mandatory to
read and observe.
Failure to comply can cause the following:
▶ Hazards to personnel
▶ Functional disturbances or damaged
instruments
Warning of hazardous electrical voltage
This symbol indicates especially important information that is mandatory to
read and observe.
Failure to comply can cause the following:
▶ Hazards to personnel
▶ Functional disturbances or damaged
instruments
Danger due to hot surface.
This symbol warns against touching hot
surfaces, e.g. those of light bulbs.
Important information
This symbol indicates additional information or explanations that are intended
to provide clarity.
Explanatory notes
▶ This symbol within the text stands for addi-
tional information and explanations.
Figures
(1) Numbers in parentheses within the
descriptions relate to the figures and the
items within those figures.
Disposal.
Notes on how to dispose of the microscope, its components and consum-
ables.
China RoHS 50 year EFUP (Environmentally friendly use period)
IVD labeling
IVD
I
nstrument for in vitro diagnostics.
MM/YYYY
IVD manufacturing date,
for example 11 / 2011 for
November 2011.
Leica S Series User Manual 7
Safety Instructions
Description
▶ The individual modules fulfill the highest
requirements for observation and documentation of Leica stereomicroscopes of
the M series.
Intended use of instrument
▶ Leica Microsystems microscopes are opti-
cal instruments for improving the visibility
of objects or specimens through magnification. Accessories such as optical accessories, stands, illumination, cameras etc.
supplement the equipment configuration.
Non-intended use
▶ Using the instrument in any way contrary
to the specifications in the User Manual can
lead to bodily harm and damage to objects.
Never use microscopes for in vivo examinations or eye surgery if they are not expressly
intended for such use. Never install any
other plug or unscrew optical systems
and mechanical parts unless expressly
instructed to do so in the instructions.
The instruments and accessories described in
this User Manual have been tested for safety and
potential hazards. The responsible Leica affiliate
must be consulted whenever the instrument is
altered, modified or used in conjunction with
non-Leica components that are outside of the
scope of this manual!
Unauthorized alterations to the instrument or
noncompliant use shall void all rights to any
warranty claims as well as product liability and
the Declaration of Conformity.
Place of use
▶ Only use the instruments in enclosed,
dust-free rooms and between +10 °C and
+40 °C. Protect the devices from oil, chemicals and extreme humidity. If using the
devices outdoors, protect them from dust
and moisture. Never use electrical devices
outdoors.
▶ Electrical components must be placed at
least 10 cm away from the wall and away
from flammable substances.
▶ Avoid large temperature fluctuations,
direct sunlight and vibrations. These conditions can distort micrographic images, for
example.
▶ In warm and warm-damp climatic zones,
the individual components require special
care in order to prevent the build-up of
fungus.
Leica S Series User Manual 8
Safety Instructions (continued)
Responsibilities of person in charge of
instrument
▶ These Safety Instructions must be available
at the workplace.
Ensure that:
▶ The M series stereomicroscopes and
accessories are operated, maintained and
repaired by authorized and trained personnel only.
▶ All operators have read, understood and
observe this User Manual, and particularly
the safety regulations.
Repairs, service work
▶ Repairs may only be carried out by Leica
Microsystems-trained service technicians.
▶ Only original Leica Microsystems spare
parts may be used.
▶ Before opening the instruments, switch off
the power and unplug the power cable.
▶ Avoid contact with powered electrical
circuits, which can lead to injury.
Transport
▶ Use the original packaging for shipping or
transporting the individual modules of the
Leica M stereomicroscopy series and the
accessory components.
▶ In order to prevent damage from vibrations,
disassemble all moving parts that (according to the user manual) can be assembled
and disassembled by the customer and
pack them separately.
Integration in third-party products
▶ When installing Leica products into third-
party products, the manufacturer of the
complete system or its dealer is responsible
for following all applicable safety instructions, laws and guidelines.
Disposal
▶ Once the product has reached the end of its
service life, please contact Leica Service or
Sales about disposal.
▶ Please observe and comply with the
national and federal laws and regulations
that are equivalent to EC directives such as
WEEE.
Like all electronic devices, the micro-
scope, its accessory components and
consumables must never be disposed of with
general household waste.
Leica S Series User Manual 9
Safety Instructions (continued)
Legal regulations
▶ Observe the generally applicable statu-
tory and country-specific regulations for
accident prevention and environmental
protection.
EC Declaration of Conformity
▶ Electrically operated accessories are
constructed based on the state of the art
of technology and are provided with an EC
Declaration of Conformity. See page 50.
Health risks
Workplaces with stereomicroscopes facilitate
and improve the viewing task, but they also
impose high demands on the eyes and holding
muscles of the user. Depending on the duration of uninterrupted work, asthenopia and
musculoskeletal problems may occur. For this
reason, appropriate measures for reduction of
the workload must be taken:
Optimal arrangement of workplace, work
assignments and work flow (changing tasks
frequently). Thorough training of the personnel, giving consideration to ergonomic and
organizational aspects.
The ergonomic design and construction of the
Leica M stereomicroscopy series are intended to
reduce the exertion of the user to a minimum.
Direct contact with eyepieces can be a potential
transmission path for bacterial and viral infections of the eye.
The risk can be kept to a minimum by using
personal eyepieces for each individual or
detachable eyecups.
Leica S Series User Manual 10
Safety Instructions (continued)
Light sources: safety regulations
▶ Light sources pose a potential irradia-
tion risk (glare, UV radiation, IR radiation).
Therefore, lamps have to be operated in
closed housings and in installed condition.
▶ Never look directly into the beam path
(blinding hazard).
▶ Do not select a white, strongly reflective
background for the specimen.
Careful handling
▶ Exercise particular care when setting up
the instruments. If it is specified that two or
more people are required for setup, compliance with this is mandatory.
▶ Never spill any liquids on electrical instru-
ments. This could cause the stereomicroscope and other equipment to become
electrically live and damage people and
instruments.
▶ Never clean instruments using corro-
sive cleaning agents or those containing
acetone. For detailed information about
care, refer to the User Manual for the instrument.
▶ Check the power cables regularly. Defective
power cables can cause injuries.
▶ Wait for bulbs to cool off before changing
them. Touching hot bulbs can cause burns.
Leica S Series User Manual 11
Copyright 2
Function of the Microscopes 3
General Notes 4
Important Safety Notes 5
Symbols Used 6
Safety Instructions 7
Contents 11
Leica S8 APO B
Congratulations! 14
What Your Stereomicroscope Offers You 15
On We Go 16
Assembly
TL ST Transmitted Light Base 18
Optics Carrier and Additional Objective 19
Available Graticules 20
Inserting the Graticules 21
Eyepieces 22
Mounting a Camera 23
Quick Start Guide
Overview of the Leica S8 APO B 25
Tips for Working Ergonomically 26
Using the Eyepieces 27
The Correct Interpupillary Distance 28
Focusing 29
Changing Magnification (Zooming) 30
Limiting Zoom Range 31
Limiting Zoom Range (continued) 32
Regulating the resistance of the focusing drive 33
Changing the position of the optics carrier 34
Dioptric Correction with Two Adjustable Eyepieces 35
Leica TL ST Transmitted Light Base: Controls 38
Leica TL ST Transmitted Light Base: Operation 39
Leica TL ST Transmitted Light Base: Lamp Replacement 40
Photography with the Leica S8 APO B 41
Dimensional Drawings in mm
Leica S8 APO B with Transmitted Light Illumination 43
Contents
Leica S Series User Manual 12
Technical Data
Technical Data 45
Leica TL ST Transmitted Light Base 46
Appendix
Calculating the Total Magnification/Field of View Diameter 48
Troubleshooting 49
Care, Maintenance, Contact Persons 50
Leica S Series User Manual 13
Leica S8 APO B
Leica S Series User Manual 14
Congratulations!
Congratulations on obtaining your new Leica StereoZoom® line stereomicroscope (S series). We are convinced that it will more than meet your
expectations. This instrument embodies all the qualities you associate
with the name Leica Microsystems: excellent objectives, high-quality
engineering and reliability. Furthermore, the modular design ensures that
the Leica stereomicroscope adapts perfectly to your needs – no matter
which accessories you require for your tasks.
Thanks to the parfocal system, you can always obtain a precise, sharp
display of your microscopic specimens at both large working distances
and large fields of view – from the complete image down to the finest
enlarged detail.
Though the reliability and robustness of Leica stereomicroscopes is worldrenowned, like any high-tech product, the Leica S series requires a certain
degree of care and attention. Therefore, we recommend that you read
this manual. It contains all the information you need regarding operation,
safety and maintenance. Simply observing a few guidelines will ensure
that even after years of intensive use, your stereomicroscope will continue
to work as smoothly and reliably as on the very first day.
We wish you the best of success in your work— after all, you are now
equipped with the best tool!
Leica S Series User Manual 15
What Your Stereomicroscope Offers You
The optical system of the Leica StereoZoom®
line consists of two beam paths converging at
12°. The objective pairs of each optical path are
positioned close together, so the stereomicroscopes can be of very "slender" design, especially towards the base of the instrument. The
advantages of this design are that it has a small
space requirement for use on bonders and in
machine applications, unobstructed access
to specimens, plenty of space for tools and a
completely clear view of the object field.
The Greenough system enables cost-effective
correction of aberrations such as chromasia,
image field curvature, and distortion with minimal effort. In the new Leica StereoZoom® line,
the optimum corrected center of the objective is used for the image. This provides superior optical performance with large, level and
undistorted fields of view and chromatically
optimized, high-contrast images.
Photography
The StereoZoom® Leica S8 APO B model is
equipped with an integrated video/phototube,
allowing for easy, quick digital camera assembly (Leica MC170 HD).
Apochromatic correction
The Leica S8 APO B is a completely apochromatically corrected Greenough system. The
apochromatic optics correct chromatic aberration perfectly, remove bothersome color seams
and display pin-sharp images of even the finest
enlarged detail. The contrast, brilliance, sharpness, resolution, color fidelity and image precision are unsurpassed. The benefit of apochromatic correction is best seen in specimens that
have a fine, low-contrast structure such as large
animal cells, cilia plants or metallic microelectronic structures.
The technical features are found on page 44.
Leica S Series User Manual 16
On We Go
If your new Leica stereomicroscope has already
been assembled and commissioned by your
Leica consultant, click here to skip through the
installation instructions and go directly to the
Quick Start Guide on page 24.
If, on the other hand, you are assembling the
stereomicroscope yourself, continue with the
"Assembly" chapter, which begins on page
17.
Leica S Series User Manual 17
Assembly
Leica S Series User Manual 18
TL ST Transmitted Light Base
Unpacking the base
The base is delivered with the adapter plate
installed. Make sure the instruments are
unpacked on a flat, sufficiently dimensioned
and non-slip surface.
Refer also to the separately provided
User Manual for the TL ST transmitted
light base.
Focusing drive and column
Never unscrew the 3 screws
on the right side of the
focusing column.
1. Unscrew the extension plate from the base
using the Allen key provided.
2. Attach your focusing drive column to the
bottom using the 4 Allen screws.
3. Reattach the adapter plate to its original
position using the 6 Allen screws.
Leica S Series User Manual 19
Optics carrier
1. Insert the optics carrier carefully in the
microscope carrier and fasten it in the
desired position with the clamping screw.
Additional objective (optional)
1. Screw the desired objective counterclockwise into the optics carrier.
Protective objective glass (optional)
1. Screw the objective protective glass directly
onto the StereoZoom® or on the additional
objective.
Optics Carrier and Additional Objective
Leica S Series User Manual 20
The optional graticules enable measure-
ment and, in addition, provide valuable
information when comparing and capturing
still images of the specimens. Insert the graticule before you set the eyepiece in place.
Available graticules
The following graticules and stage micrometers
for calibrating may be ordered:
▶ Graticule, 10 mm/0.1 mm
▶ Graticule, 5 mm/0.1 mm
▶ Graticule, 5 mm/0.05 mm
▶ Graticule, 100 div./0.002"
▶ Graticule, 100 div./0.001"
▶ Graticule, 150 div./0.0005"
▶ Crosshair
▶ Stage micrometer, 50 mm, 0.1/0.01 mm
graduation
▶ Stage micrometer, 1", 0.001" graduation
Available Graticules
Leica S Series User Manual 21
The graticules can be inserted into
the adjustable eyepieces and into the
eyepieces for eyeglass wearers.
Fitting the graticule(s)
1. Using the stereomicroscope, determine on
which side the scale is vacuum metallized.
The scale must not appear reversed.
2. Remove the insert from the bottom of the
eyepiece and place it on the bench with the
knurled side down.
3. Hold the graticule by the edges to avoid
leaving fingerprints, and push it into the
holder from the side.
4. Replace the insert in the eyepiece and press
it firmly into place.
5. Insert the eyepiece in the tube and turn the
eyepiece in the tube to align the graticule
correctly.
Inserting the Graticules
Leica S Series User Manual 22
You can combine your StereoZoom® with
a fixed or an adjustable eyepiece. For
equipment with a graticule for photography
in one eyepiece, two adjustable eyepieces are
needed. We recommend that you also equip
the high-powered StereoZoom® Leica S8 APO B
with two adjustable eyepieces.
Inserting the eyepieces
1. Push the eyepieces as far as they will go
into the tubes.
2. Check that the eyepieces are seated firmly
and precisely in place.
Risk of infection
Direct contact with eyepieces is a poten-
tial transmission method for bacterial
and viral infections of the eye. The risk can be
kept to a minimum by using personal eyepieces
for each individual or detachable eyecups.
Eyepieces
Leica S Series User Manual 23
The Leica S8 APO B is equipped with
an integrated video/phototube, which
allows the simple, fast mounting of digital
cameras for photos and video. Ask your Leica
sales representative for more details.
Installing the camera
1. Remove the protective dust cover from the
video/projection lens (C-mount adapter)
and the microscope camera.
2. Screw the camera into the video/projection
lens (C-mount).
3. Insert the unit into the video/photo output
of the stereomicroscope and screw it in.
Always close the video/photo output
with the protective dust cover if no
camera is installed.
Mounting a Camera
Leica S Series User Manual 24
Quick Start Guide
Leica S Series User Manual 25
1 Eyepieces
2 Adjustable tubes: Interpupillary distance adjustable
from
55 – 75 mm
3 Magnification changer, right drive knob with
magnification scale
4 Fixing screw for optics carrier in the microscope
carrier
5 TL3000 ST transmitted light base
6 Focusing drive
7 Stop for zoom limit
8 C-mount adapter and video/photo tube
9 Leica MC170 HD camera kit (optional)
9
7
3
8
6
Overview of the Leica S8 APO B
4
2
1
5
Leica S Series User Manual 26
Align your stereomicroscope opti-
mally. You must configure the settings
described here precisely in order to be able to
take full advantage of its outstanding optical
and ergonomic advantages.
▶ Align your workstation optimally. Consider
the height of the bench and chair.
▶ Use the whole seat surface and the back-
rest.
▶ Ensure that your lower arms are supported.
▶ When carrying out other tasks, perform
exercises to relax and relieve muscle
tension.
Tips for Working Ergonomically
Leica S Series User Manual 27
Using the Eyepieces
The eyepieces form the connection
between the tube and the eye of the
observer. Simply push them into the tube and
they are ready to use.
What does "parfocal" mean?
"Parfocal" means that a specimen contin-
ues to remain exactly in focus, even if
the magnification on the stereomicroscope
is modified. All stereomicroscopes from Leica
Microsystems are parfocally matched. However,
the parfocality requires a personal dioptric
correction for the user.
Dioptric correction
In order to parfocally match the stereomicroscope, at least one eyepiece with dioptric
correction is necessary. The setup is described
on the following pages:
▶ With two adjustable eyepieces:
from page 35.
If you do not wear glasses:
Depending on the preferences of the observer,
eyecups can be used.
To avoid eye infections, we recommend
that every user uses his or her own pair
of eyecups.
If you wear glasses:
Eyeglass wearers must remove or fold
back the eyecups (Fig. below left), as
otherwise they cannot see the entire field of
view.
Leica S Series User Manual 28
The Correct Interpupillary Distance
The interpupillary distance is correctly
set if you see a single circular image field
when looking at a specimen.
If you are still a novice microscope user, you
may need a short time to become accustomed
to this. Not to worry—after a little while, it will
become automatic.
Reference values
The interpupillary distance can be set between
55 and 75 mm.
An "exit pupil distance" is the distance
between eye and eyepiece. With the
10×/23B wide-field eyepiece for eyeglass wearers, it is approx. 22 mm. For those who do not
use the eyepiece for eyeglass wearers, it is 12
mm.
Adjusting the interpupillary distance
1. Bring the eyes slowly to the eyepieces.
2. Push the tubes together or apart with both
hands until you see a single round, circular
image field without shadows with both
eyes.
✓
✗
Leica S Series User Manual 29
Focusing raises and lowers the stereomi-
croscope using the focusing drive. The
specimen detail is brought into sharp focus as
soon as it is in the focal point of the objective.
The focusing drive can be operated
either left- or right-handed.
Focusing
1. Align the specimen under the objective.
2. Set the lowest magnification level.
At the lowest magnification, the desired
specimen detail can be easier to localize
due to the large field of view.
3. Look into the eyepieces and insert the
desired specimen detail in the center.
4. Focus on the specimen with the drive knob.
Focusing
Leica S Series User Manual 30
Changing Magnification (Zooming)
All stereomicroscopes of the S series
allow a continuous magnification
change. The magnification changer can be
operated with the left and the right hand. The
image scale is shown on the right drive knob.
The basis for the calculation of the total
magnification and the field of view can
be found on page 48.
Changing magnification
1. Look into the eyepieces.
2. Focus on the object (see
page 29).
3. Rotate the magnification changer until the
desired magnification is configured.
Leica S Series User Manual 31
Limiting Zoom Range
The zoom range can be limited above and
below. In the same manner, a fixed magnification level can be set. The following example shows the limit to the range between
1 to 3.2.
Defining the lower limit
1. Loosen the Allen screws on the left drive
knob with the Allen key provided.
2. Turn the right drive knob to position "1".
3. Set the stop on the left drive knob forward
until it touches the built-in zoom stop.
4. Carefully tighten the Allen screw.
Continued on next page.
Leica S Series User Manual 32
3. Set the stop backward on the right drive
knob until it touches the built-in zoom
stop.
4. Carefully tighten the Allen screw.
Defining the upper limit stop
1. Loosen the Allen screws on the right drive
knob with the Allen key provided.
2. Turn the right drive knob to position "3.2".
Limiting Zoom Range (continued)
Leica S Series User Manual 33
Adjusting the resistance
Is the focusing drive too loose or too tight?
Does the equipment tend to slide downwards?
The resistance can be adjusted individually
depending on the equipment weight and
personal preferences as follows:
1. Grip the outer drive knobs with both hands
and turn them towards each other until the
desired resistance is reached during focusing.
Regulating the resistance of the focusing drive
Leica S Series User Manual 34
The optics carrier can be turned sideways in the microscope carrier if the user
wants to work from the side.
Changing position
1. Unscrew the clamping screw.
2. Turn the optics carrier laterally to the
desired position.
3. Carefully tighten the clamping screw.
Changing the position of the optics carrier
Leica S Series User Manual 35
Dioptric Correction with Two Adjustable Eyepieces
If you set the diopters on the adjustable
eyepiece exactly as described, the image
will remain equally sharp and constant (parfocal) from the lowest to the highest magnification. This means you do not have to refocus
when changing magnification. The focus needs
to be readjusted only if you want to view a
specimen detail that is located higher or lower.
Use this advantage as often as possible, it is not
available on all stereomicroscopes.
The diopters can be set between +5 and
-5.
The following adjustments have to be
carried out only once by each user. Using
graticules leads to slightly deviated settings,
which are described in the user manuals for the
graticules.
Adjusting the diopter settings
1. Turn the rotary knob to the "Vis" position.
2. Turn the dioptric correction on both
eyepieces to the center position.
Continued on next page
Leica S Series User Manual 36
9. Turn the eyelens of the eyepiece as far as it
will go in the "+" direction, without looking
into the eyepieces while doing so.
10. Look through the eyepieces and close one
eye.
11. With the other eye, monitor the specimen
and turn the eyelens of the eyepiece slowly
in the "–" direction, until this eye sees the
specimen sharply.
12. Repeat steps 10 and 11 with the other eye.
Continued on next page
6. Set the highest magnification level.
7. Optimize the focusing with the focusing
drive.
8. Set the lowest magnification level.
3. Place a flat specimen under the objective.
4. Set the lowest magnification level.
5. Observe the specimen through the
eyepieces and bring it into sharp focus with
the focusing drive.
Dioptric correction with two adjustable eyepieces (continued)
Leica S Series User Manual 37
Checking parfocality
1. Select the highest magnification level.
2. Observe the specimen; if necessary, refocus
it slightly.
3. Change from the highest to the lowest
magnification. The sharpness should be
constant (parfocal). If this is not the case,
repeat this procedure.
Dioptric correction with two adjustable eyepieces (continued)
Leica S Series User Manual 38
Leica TL ST Transmitted Light Base: Controls
1 Adapter plate for easy assembly of focusing
drives
2 Removable glass plate
3 Controller for light intensity
4 Adjustment for path-folding mirror
Rear side of the transmitted light base TL ST
1 Screws for changing the halogen lamp
2 Power connection socket
3 Main power switch
Extension plate of the transmitted light base TL ST
1
2
3
4
1 2 3
Refer also to the separately provided
User Manual for the TL ST transmitted
light base.
Leica S Series User Manual 39
Leica TL ST Transmitted Light Base: Operation
Light intensity control
The left control adjusts the intensity of the
12 V/20 W halogen illumination.
1. Switch on the illumination of the base at
the power switch.
3. Focus on the specimen.
3. Set the illumination to the desired intensity
using the left control.
Transmitted light control
The transmitted light base TL ST has a slider that
automatically moves the path-folding mirror in
the base when moved. The mirror is kept in the
correct position at all times and permits smooth
changeover between bright field and opaque
transmitted light.
Bright field
Bright field is suitable for examining translucent objects featuring contrasting structures.
The object is directly illuminated from below
and is seen in its natural colors against a bright
background.
▶ Move the slider backwards until the desired
effect is achieved.
Inclined transmitted light
Transmitted light that traverses the object
obliquely will provide additional resolution and
information when observing semitransparent,
opaque objects.
▶ Slowly pull the slider towards yourself until
the desired effect is achieved.
Leica S Series User Manual 40
Changing the halogen lamp
Before you change the lamp, it is abso-
lutely necessary to unplug the power
plug from the base to prevent the risk of electric shock!
The halogen lamp becomes very hot
during operation. Therefore, to avoid
being burned, let the base cool off for approx.
10 minutes after switching it off!
Do not touch new halogen lamps with
your bare fingers – this drastically
reduces the service life of the lamp!
Changing lamps
1. Unscrew the two screws on the cooling unit
and pull the cooling unit out, along with
the lamp.
2. Carefully pull out the lamp and mount by
pulling them upwards.
3. Disconnect the lamp from the mount.
4. Insert the new lamp into the mount and
reinsert the lamp holder.
Safety precautions
When inserting the lamp, ensure that
the cables are inside the two metal
clamps. This prevents the cables from getting
caught during insertion.
Leica TL ST Transmitted Light Base: Lamp Replacement
Leica S Series User Manual 41
The observation beam path and the
photobeam path can be switched. For
this, the light splitting is influenced as follows:
▶ "Vis" position: 100% light in both eyepieces,
but no light in the video/photo beam path
▶ "Doc" position: 100% light in the right
eyepiece, but no light in the left eyepiece.
100% of the light crosses the video/photo
beam path
The focusing and the framing are done
with the left eyepiece (video/photo
beam path).
Flat specimens are sometimes blurry on
the left and right edge of the image. This
blurring is based on laws of optics and does not
mean there is a malfunction of the camera or
the microscope.
Capturing images and videos
1. If the image detail and image sharpness are
set to your satisfaction, switch on the "Doc"
setting and capture your image.
The images captured with the camera
may not be used for diagnosis. In
this case, an evaluation with the eyepieces is
required.
Photography with the Leica S8 APO B
Leica S Series User Manual 42
Dimensional Drawings in mm
Leica S Series User Manual 43
Leica S8 APO B with Transmitted Light Illumination
207
107
25
11675
351
38
22
65
223
278
ø58
ø76
144
104
113
148
205
220
171
144
104
113
148
205
220
278
205
Leica S Series User Manual 44
Technical Data
Leica S Series User Manual 45
Technical Data
StereoZoom
®
Leica S8 APO
Optical system,
lead-free
12°-Greenough
usingbest-corrected
central part of the
objective
Zoom 8:1, apochromatic
Viewing angle 38°
ESD protection Antistatic
Specific
surface resistivity
2
×1011 Ω / square,
discharge time <2 seconds
from 1000 V to100 V
Magnification (basic configuration) 10× – 80×
Maximum resolution 600 lp/mm
Maximum numerical aperture 0.2
Working distance (basic config.) 75 mm
Object field diameter 23 mm
Adjustable zoom limits 2
Video/photo outlet,
switchable
100% visual or 100% video/photo and
100% visual in the left eyepiece
Image acquisition, coax lighting. Yes
Standard objectives, lead-free Apochromats 0.63×, 1.6×, 2.0×
Achromat 0.32×
Ergonomic eyepieces,
fixed and adjustable,
with cups
10× / 23, 16× / 15,
25× / 9.5, 40×/ 6
Interpupillary distance 55 – 75 mm
Leica S Series User Manual 46
Leica TL ST Transmitted Light Base
Light source Halogen lamp 12V/20W
Quick illuminant change Yes
Illuminated area 50 mm
Power supply Input voltage 100 – 240 V~, frequency 50/60 Hz
Energy consumption 30 W max.
Ambient temperature 10 – 40 °C
Connections Power plug
Weight 7.4 kg
Illumination modes
Bright field Yes
Dark field Yes (single-sided)
Oblique light No
Relief Contrast System (RC™) No
CCIC (Constant Color Intensity Control) No
Internal shutter/lamp control No
Integrated filter holder Yes
Coated optics for increasing the color
temperature
Yes
Matching of high num. aperture No
Remote control options No
AntiShock™ Pads Yes
Dimensions (W×H×D) 340×430×85 mm
Leica S Series User Manual 47
Appendix
Leica S Series User Manual 48
Calculating the Total Magnification/Field of View Diameter
Parameters
M
O
Magnification of the additional objective
M
E
Magnification of eyepiece
z Magnification changer position
N
FOV
Field number of the eyepiece. Field numbers are printed on
the eyepieces: 10×/23, 16×/16, 20×/12, 10×/23B, 16×14B,
25×/9.5B, 40×6B.
Example
M
O
Additional objective 1.6×
M
E
20×/12 eyepiece
z Zoom position 4.0
Magnification in the binocular tube
M
TOT VIS = MO × ME × z
or
1.6 × 20 × 4 = 128
Calculation example: field of view diameter in the specimen
∅ OF:
N
FOV
=
12
= 1.9 mm
MO × z 1.6 × 4
Leica S Series User Manual 49
The field of view is shadowed
▶ Adjusting the correct Interpupillary
Distance (page 28).
The image goes out of focus.
▶ Inserting the eyepieces correctly (page
22).
▶ Perform diopter correction exactly accord-
ing to the instructions (from page 35).
The focusing drive gradually sinks on its
own or is difficult to turn.
▶ Regulate the ease of movement (page
33).
In the case of failures of electrically operated devices, always first check:
▶ Is the voltage selector set correctly?
▶ Is the main power switch switched on?
▶ Is the power cable connected correctly?
▶ Are all connecting cables attached
correctly?
▶ Are the fuses intact?
Photos are blurry.
▶ Focus accurately (page 29).
▶ Bring the graticule into sharp focus and
perform diopter correction exactly according to the instructions (page 35).
▶ Insert the eyepieces correctly up to the stop
(page 22).
▶ Check that the graticules are securely in
place in the eyepiece (page 21).
The image from the camera stays black
▶ Switch the beam splitter on the photo tube
to the "Doc" setting (page 41).
Troubleshooting
Leica S Series User Manual 50
Care, Maintenance, Contact Persons
We hope you enjoy using your stereomicroscope. Leica devices are renowned for their
robustness and long service life. Observing the
following care and cleaning tips will ensure that
even after years and decades, your Leica stereomicroscope will continue to work as well as it
did on the very first day.
Warranty benefits
The guarantee covers all faults in materials
and manufacture. It does not, however, cover
damage resulting from careless or improper
handling.
EC Declaration of Conformity
To download the EC Declaration of Conformity,
use this link
http://www.leica-microsystems.com/
products/stereo-microscopes-macroscopes/
research-manual/
Select the microscope type and go to the
"Download" page.
Care
▶ Protect your stereomicroscope from mois-
ture, fumes and acids and from alkaline,
caustic and corrosive materials and keep
chemicals away from the instruments.
▶ Plugs, optical systems and mechanical parts
must not be disassembled or replaced,
unless doing so is specifically permitted
and described in this manual.
▶ Protect your stereomicroscope from oil and
grease.
▶ Do not grease guide surfaces or mechani-
cal parts.
Leica S Series User Manual 51
Care, Maintenance, Contact Persons (continued)
Protection from dirt
Dust and dirt will affect the quality of your
results.
▶ Put a dust cover over the stereomicroscope
when it will not be used for a long time.
▶ Use dust caps to protect tube openings,
tubes without eyepieces, and eyepieces.
▶ Keep accessories in a dust-free place when
not in use.
Cleaning polymer components
Some components are made of polymer or are
polymer-coated. They are, therefore, pleasant
and convenient to handle. The use of unsuitable cleaning agents and techniques can
damage polymers.
Permitted measures
▶ Clean the stereomicroscope (or parts of it)
using warm soapy water, then wipe using
distilled water.
▶ For stubborn dirt, you can also use ethanol
(industrial alcohol) or isopropanol. When
doing so, follow the corresponding safety
regulations.
▶ Remove dust with a pneumatic rubber bulb
and a soft brush.
▶ Clean eyepieces and objectives with special
optics cleaning cloths and pure alcohol.
www.leica-microsystems.com
Copyright © Leica Microsystems CMS GmbH • Ernst-Leitz-Straße • 35578 Wetzlar
Germany 2013 • Phone +49 6 441-29-0 • Fax +49 6 441-29-2599
LEICA and th e Leica logos are registered tr ademarks of Leica IR GmbH.
Printed on chlorine -free bleached p aper. III/13/M.H. Revision 1.0, issue d March 14th, 2013
Loading...