Leica M420 Bedienungsanleitung
Leica M420
Macroscope
The modular system
2
Thank you for your attention. We are proud to present the Leica
M420 macroscope, a Leica creation. As with a stereomicroscope,
large o jects can e viewed in their entirety and without prepara-
tion, thanks to the wide fields of view and the favoura le working
distances. However, the Leica M420 macroscope offers a vertical
eam path and a high-resolution apochromatic zoom o jective,
making it ideal for distortion-free photography, for parallax-free
measurement and for o taining correct polarization colours.
The modular system
The Leica M420 macroscope is designed on the uilding- lock
principle and can e matched to the individual requirements of
the user, and to the dictates of the workplace, at any time. This
rochure shows a large num er of com inations with appropriate
accessories. A clear assem ly diagram helps you to put together
the specific configuration that you need. If you still have
questions, get in touch with your local Leica agency or directly
with Leica Microsystems Ltd in Heer rugg, Switzerland. We will
e pleased to help. CUSTOMER SERVICE is a ig thing with us.
Not only efore the sale, ut afterwards as well.
Welcome!
Contents
Page
Leica M420 macroscope 4
Optical accessories 6
Focusing drive 7
Incident-light stands 8
Swinging-arm stands 9
Universal stand 10
Incident illuminators 11
Transmitted-light stands 14
Stages 16
Measuring, polarization 17
Leica MPS30 and MPS60 photoautomats 18
Digital imaging, video, TV, filming, SLR camera housing 20
Optical data 22
Performance features 23
Catalogue references 24
Assem ly diagram 25
Complete outfits 26
Dimensions 27
Further documentation 28
3
Macroscope
1 Leica M420 optics carrier
2 Wide-field eyepieces for
spectacle wearers, distortion free,
with diopter setting adjusta le
etween +5 and –5 and with
adjusta le eyecups
3 Binocular tu e: Interpupillary
adjustment range 54mm–75mm,
ergonomically positioned,
30° viewing angle
4 Aperture diaphragm: With this
in its mid position, the image-side
rightness remains constant
5 Prisms: For erecting the image
and directing it into the two
eyepiece tu es
6 Beam splitter: Directs 50% of the
light to the video-/phototu e
and the rest to the inocular tu e
7 Stop: Prevents stray light
from entering the eyepieces
during photography
8 Tu e lens: Magnifies the image
1.25×
9 Macrozoom o jective (5:1 zoom) or
Apozoom o jective (6:1 zoom)
10 Video-/phototu e accepts Leica
photoautomats; cine, video and
TV cameras; and digital cameras
11 Focusing drive: With coarse
and fine focusing
12 Incident-light stand with stage
plate and with 300mm or
500mm column
3
5
6
7
8
4
9
2
10
11
12
4
1
Leica Design
y Ernest Igl/Christophe Apothéloz
The requirements
A modern macroscope must ring its user the maximum possi le
enefits and must uncompromisingly fulfil the requirements
demanded of it. Like the macroscopes from Leica, the modular
components of which can e com ined in accordance with your
wishes. Get in touch with us. We will gladly help you to assem le
the ideal outfit for your needs in examination, in training or in
documentation.
Macroscope
Macroscopes are optical precision instruments
for studying o jects in their entirety in conjunc-
tion with large working distances and large
fields of view. The multiple-coated optical
system involves a single vertical eam path
which, for purposes of comforta le o servation
in the inocular tu e, is then split into two
identical parts. The vertical o servation mode
ensures parallax-free imaging and is ideal for
faithful documentation, precise measuring, and
investigations involving polarized light.
The Leica M420 macroscope is an instrument
for optical inspection in all fields of science
and technology where image quality and user
comfort are oth rated highly.
The modular system
The optics carrier with inocular tu e can e
equipped with a Macrozoom- or Apozoom
o jective, with one of several additional o jec-
tives, with eyepieces of various intrinsic magni-
fications, and with an appropriate stand and
illuminator.
Additional accessories for photography, TV,
digital imaging, measuring and polarization can
e easily added.
Adapting any camera
The incorporated video-/phototu e will accept
most still cameras and CCD-, TV- and cine
cameras. If however a Leica modular photo-
micrographic system is used, there is a choice
etween two fully-automatic systems.
Photo eyepieces (8×, 10×, 16×) in the video-/
phototu e enlarge the image and project it into
the film plane (two-stage magnification). There
is an additional magnification factor of 1.25×in
oth the o servation eam path and the photo
eam path. The limits and sharpness of the
image can e inspected y looking into either
the inocular tu e or the focusing telescope
of the camera. The light is partitioned 50%/50%
etween o servation and photography.
5
6
Optical accessories
The requirements
Because the working distance, the total magnification and the
field of view must all e adapted to the application, the user needs
to e a le to choose from a range of high-quality o jectives and
eyepieces.
The Macrozoom- and Apozoom o jectives can
e com ined with the coaxial incident-light
housing, with a quarter-wave plate, and with
additional o jectives.
1 5 Macrozoom objective
The Macrozoom o jective is inscri ed with the
magnification range 6.3×to 32×. This means
that, if 10×eyepieces are used in the inocular
tu e (which introduces a tu e factor of 1.25×),
o jects can e o served at constant sharpness
over a zoom range from 7.9×to 40×. The optical
components are computed to give wide aperture
and good resolution, multiple-coated to ensure
high image contrast, and well corrected to
produce image fidelity and crispness.
The 0.5×and 2.0×additional o jectives can e
used with the Macrozoom o jective.
1:5 Macrozoom and 1:6 Apozoom
o jectives
1 6 Apozoom objective
The intrinsic zoom range of the Apozoom o jec-
tive is from 5.8×to 35×, i.e. the zoom range down
the inocular tu e if 10×eyepieces are used is
7.3×to 43.8×.
Because of its excellent chromatic correction for
three spectral colours and for all intermediate
tones, the Apozoom is the o jective of choice if
requirements stipulate maximum sharpness,
highest resolution and maximum contrast rendi-
tion, even for the finest structures.
The 0.4×and 2.0×additional o jectives used
with the Apozoom o jective have een specially
designed for it.
Wide-field eyepieces for spectacle wearers,
distortion-free
• Intrinsic magnifications
10×, 16×, 25×and 40×
• Usa le with or without spectacles
• Adjusta le eyecups
• Diopter setting adjusta le from +5 to –5
• Accepting graticules for measuring
and for photography
The asic outfits include distortion-free, wide-
field eyepieces (10×/21B) for spectacle wearers,
with excellent imaging characteristics. Because
of their long exit pupil distance of 22mm (at this
distance the o server sees the full field of view)
these eyepieces are usa le either with or with-
out spectacles. If you work without spectacles
and want closer contact to the eyepieces or to
the eyecups, you can displace the height of the
eyecup a ove the eyelens within the range from
4mm to 20mm.
Additional o jectives, with ayonet
mount: 0.5×and 2.0×for the Macro-
zoom, 0.4×and 2.0×for the Apozoom,
and rotata le quarter-wave plate.
Wide-field eyepieces for
spectacle wearers, 10×/21, 16×/14,
25×/9.5, 40×/6
7
New Leica motor-focus system
The new motor-focus system ena les any
microscope outfit to e moved weightlessly up
and down with light movements of the fingers or
feet, or through computer control. With the hand
control, five exact focus settings can e stored;
with the computer, the num er is unlimited, and
the instrument can travel to these positions
directly. The motor-focus system can easily e
fitted to the incident- and transmitted-light
stands and to the large swinging-arm and ta le-
clamp stands.
Information in rochure M1-267-1en.
Coarse/fine focusing
Coarse/fine drive for incident- and
transmitted-light stands
The coarse/fine focusing drive permits focusing
along the full length of the side-faced column.
The coarse drive permits focusing over long
distances; the fine drive permits fine focusing.
The focusing drive and the side-faced column,
300mm or 500mm long, are supplied already
assem led. The low-positioned, conveniently-
shaped, ilateral drive kno s ena le you to work
comforta ly with your arms supported. The ease
of movement can e adjusted individually in
accordance with the loading.
Focusing drive
Motor-focus
system, on
transmitted-light
stand HL
8
Incident light stand
The requirements
It must e possi le to arrange the stereomicroscope work station
exactly in accordance with requirements. The instrument can
only e fully integrated into the work process if the sturdy stand
offers unrestricted access to the o ject and adequate space for
tools and jigs.
Incident-light
stand
Incident-light stand
The incident-light stand consists of a sta le
aseplate and a 300mm- or 500mm long side-
faced column. The column ears the focusing
drive and therefore also the microscope carrier
and the optics carrier. The stand also includes
a 120mm-diameter lack/white stage plate. The
ergonomic shape of the aseplate, and its soft
upper surface, provide pleasant support for the
hands of the user.
9
Swinging arm stands
Swinging-arm and table-clamp stands
These stands offer ample space for large
o jects such as rocks, metal o jects or circuit
oards, which can e manipulated directly on
the surface of the ench. The many possi ilities
for adjusting on the column, the horizontal arm
and the inclina le carrier rod ena le the working
area to e planned as required.
The inclina le drive housing has a lift of 128mm.
The coarse/fine focusing drive helps to focus
quickly over long distances, and to adjust the
final setting accurately.
The large swinging-arm stand is supplied with
a 550mm long column.
The ta le-clamp stand (550mm long column)
can e clamped to ench- or ta le tops having
thicknesses of etween 20mm and 50mm, and
also to machines or jigs.
Large swinging-
arm stand
with motor-focus
system
10
Universal stand
The universal stand is noted for its sta ility.
Vi rations, which can cause difficulties at high
magnifications and in photography, are elimi-
nated. Large o jects, and stage carriers with
magnetic linkage that will accept various
stages, can e conveniently positioned on its
aseplate. As in the large swinging-arm stand,
the optics carrier is connected to the horizontal
arm y means of an inclina le drive housing or a
coarse/fine drive housing.
Masks and wafers can e examined with the
help of a cross stage, which is availa le on
request; it has 6in ×6in travel with rapid XY
movement and with fine adjustment.
Drive housing with coarse/fine movement
for 50mm diameter columns
When fitted to the universal stand, this unit
provides a very sta le outfit for examining large
o jects. The coarse/fine drive ena les the image
to e focused precisely at the higher magnifica-
tions and with heavy microscope configurations.
Universal stand
Universal stand with
horizontal arm and with
inclina le focusing drive
Drive housing with
coarse/fine drive
on universal stand
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