Home page of the microscope service parts, repair and spare parts online catalog - Sermik-Oplatek Mikroskopservice Dresden f.n.n.Z

Description of this part for the microscope.

Leica DM LD controller:
Model: Leica DMLD (also written as: DM LD)
Leica catalog number: 301-385.160
Legacy Leitz part number: 541065
Production date: 01/98
Connectors: female DB15, male RS232C, female foot-switch connector, mains power inlet, power switch
Power supply: U100-115/230V 50-60Hz, P max 25W
Form factor: external metal enclosure

"Leica DMLD" is an analogue photomicrography system. A standard 35 mm camera is connected to shutter unit 093-050.001-000 (legacy part number 541045). Among its connectors is a male DB15 connector labelled "control panel or power supply". The shutter operates together with the Leica DMLD control panel P/N 301-385.001 (legacy part number 541044).

The entire system is very similar to the earlier MPS52 system (Leitz Leica MPS 52 / Wild Leitz MPS 52).

Based on the following observations:
- the controller offered here is also designated "Leica DMLD"
- part number 301-385.160 belongs to the same numbering group as control panel 301-385.001 (group 301-385.xxx)
- the legacy number 541065 belongs to the same 5410xx numbering group as the shutter controller and the control panel

I believe — although I do not have access to documentation that could confirm this — that this unit is also part of the Leica DMLD analogue photomicrography system, most likely serving as a power supply and shutter control module with provision for connecting a foot switch.

Description of this part for the microscope.

The Leica DMR series includes many microscope models. This focus assembly is compatible with, among others:
- Leica DMRB (biological model)
- Leica DMRM (materials science model)
- Leica DMRD (for photomicrography)
- Leica DMRP (polarizing model)

This complete assembly consists of:
- two fine focus knobs, one on each side of the microscope
- two coarse focus knobs, one on each side of the microscope
- a shaft connecting the focus controls on both sides
- the shaft carries a pinion
- the shaft and pinion are mounted in a brass sleeve

The complete assembly can be disassembled into its individual components (knobs, screws, washers, shaft and other parts). To install it in the microscope (for example during servicing or when replacing a damaged component), the assembly must first be taken apart.

Description of this part for the microscope.

Basic parameters:
Manufacturer: United Scope, owner of the AmScope microscope brand
Condenser type: oil dark field condenser
Numerical aperture N.A.: 1.25 - 1.36
Mounting diameter: 37 mm
Centering screws: yes, two

The standard 37 mm mounting diameter allows this condenser to be used with microscopes from many other manufacturers, for example Lomo Biolam and Olympus CH-2. After increasing the diameter to 39 mm (for example by using a collar printed on a 3D printer), this condenser also fits Zeiss West, PZO, Wild Wetzlar, Hund Wetzlar, Carl Zeiss Jena and many other microscopes.

Description of this part for the microscope.

Reichert-Jung microtomes were also marketed by American Optical (AO / AO-Spencer) — however, they are still the same instrument.

This page shows the central unit of the ultramicrotome. It is currently still complete and has not yet been dismantled for parts. In the future, this instrument will serve as a donor of spare parts for repairing other ultramicrotomes.

Please contact us if you are looking for any spare part for a Reichert-Jung Ultracut E / Leica Ultracut E ultramicrotome. Even if the required part is not currently visible in the photographs and has not yet been added to this database as a separate product, it is still inside this complete instrument and is available. Examples include:
- knobs and control knobs
- rack gears and gears
- guides, bearings and shafts
- housing parts
- electronic circuit boards and cables
- sensors and switches
- many other parts, from the complete upper tube assembly down to the smallest screw or spring

The listed components are only examples — other parts contained within this instrument may also be available.

In the video available in the video gallery you can see every control knob in motion, the movement of the upper tube assembly and specimen holder, as well as the overall condition of the instrument.

Description of this part for the microscope.

nm
Manufacturer part number: 11504195
Light source type: LED
Wavelength: 530 nm
Light colour: green (TRITC)
Microscope mounting method: dovetail mount
Mounting diameter: 48 mm
Compatible microscopes: Leica DMi8 / DM1000 / DM2000 / DM2500 / DM3000
Compatible filter cube: 530 nm LED (for example P/N 11504156)
ON/OFF switch: integrated into the illuminator together with a potentiometer for light intensity adjustment

This illuminator provides intense green fluorescence illumination for:
- Leica DMi8 inverted microscope
- Leica DM1000-DM3000 routine microscopes

Similar illuminators with different light colours (wavelengths) include:
- P/N 11504196 Leica SFL100, 365 nm
- P/N 11504138 Leica SFL100, 470 nm

Important:
- the included power supply is not an original Leica power supply - it is a compatible unit manufactured by another company
- to work effectively with this wavelength, the microscope must be equipped with a suitable optical filter set (a fluorescence filter cube)
- due to legal safety regulations, this LED illuminator is not available within the U.S.A.
- when working with fluorescence illumination, care should always be taken to avoid eye damage

Light at 530 nm is commonly used in two optical configurations.

1. As excitation light (Excitation). It excites fluorescent dyes with yellow, orange and red emission spectra:
- Cy3 / Alexa Fluor 546 / Alexa Fluor 555 - widely used markers in immunofluorescence
- TRITC / Rhodamine - classic rhodamine dyes used for antibody and cytoskeleton (actin) labelling
- dTomato / mStrawberry - red fluorescent proteins used in in vivo studies

2. As an emission detection band (Emission). In the classic blue-light excitation configuration (for example with a 488 nm laser), 530 nm corresponds to the emission maximum (green fluorescence) of:
- GFP (Green Fluorescent Protein) - a standard marker in genetic engineering and cell biology
- FITC / Alexa Fluor 488 - the most commonly used dyes for labelling cellular structures
- Fluo-4 / Calcein - indicators used to measure calcium ion concentration and cell viability

This illuminator does not use any unusual microscope mounting method - it employs a standard 48 mm dovetail mount. As a result, it may be possible to adapt it to other Leitz or Leica microscopes and even to microscopes manufactured by other companies.

Description of this part for the microscope.

DC power module to the RS232 selector PCB and other associated control modules (such as the stand drive axes).

Leica OH4 Service Manual surgical microscope stand: https://documents.cdn.ifixit.com/EuZcy2xHuDiCJwft.pdf

Description of this part for the microscope.

Lichteinstellupe (Centering / Focus telescope)
Mounting diameter: 23.2 mm + original 30 mm adapter

This centering telescope can be used for:
- DIC alignment (Differential Interference Contrast)
- Phase contrast alignment (centering phase rings)
- Aperture diaphragm inspection (iris diaphragm observation)Filament centering when setting up Köhler illumination

This is one of those microscope elements for which many different names are used. Among others:
- phase telescope
- phase contrast telescope
- phase alignment telescope
- phase adjustment telescope
- phase centering telescope
- phase contrast centering telescope
- phase contrast alignment telescope
- phase contrast adjustment telescope
- centering telescope
- condenser centering telescope
- condenser alignment telescope
- condenser adjustment telescope
- alignment telescope
- adjustment telescope
- inspection telescope
- aperture viewing telescope
- back focal plane viewing telescope
- auxiliary microscope
- phase contrast auxiliary microscope
- alignment auxiliary microscope
- centering auxiliary microscope
- adjustment auxiliary microscope
- auxiliary telescope
- centering scope
- alignment scope
- phase scope
- phase viewer
- phase contrast viewer
- phase centering eyepiece
- phase contrast eyepiece
- phase alignment eyepiece
- phase telescope eyepiece
- centering eyepiece
- condenser centering eyepiece
- adjustment eyepiece
- inspection eyepiece

Description of this part for the microscope.

source
- Leica P/N 633-20-002
- 24V power supply (220-240V - 24V transformer)
- built-in ON / OFF switch
- continuously variable brightness control
- LED lamp installed inside

Important for certain applications, this illuminator features passive cooling, meaning a heat sink instead of a fan. As a result, there are no vibrations that are often transferred to the workbench and then to the microscope specimen. This is particularly important when observing in-vivo specimens where the medium is a droplet of water. In such cases, vibrations generated by a fan can cause movement of objects (for example microorganisms) within the water droplet, resulting in a blurred image.

IMPORTANT: this listing includes only the light source - no fibre optic light guide or ring illuminator is included.

Description of this part for the microscope.

microscope element allows expansion of a transmitted light microscope with a module for reflected light (EPI) observation:
- brightfield
- darkfield
- polarized light
- fluorescence
because this is exactly a "universal" illuminator.

The set includes a reflector cube for reflected light brightfield work. This is the Leica 1 BF 561034 cube (alternative number format: Leica 561 034).

Basic technical parameters of the Leica 565015 universal EPI reflected light illuminator:
- 4 filter cubes (reflectors) can be installed, for example brightfield BF (already installed here), darkfield DF, fluorescence cubes
- 4 round filters with 32 mm diameter can be installed
- a light source must be installed
- a polarizer and analyzer can be installed
- mounting connection to microscope body: 44.5 mm dovetail
- head mounting connection: 44.5 mm dovetail

The Leica 565015 EPI illuminator is modular and can be configured according to individual requirements. The example shown and offered here is a basic version which must be completed according to the user's own needs (however the "Leica 1 BF" reflector is already installed).

NOTE - as visible in the photos and in the video, the cover flap (protective cover) which covers the rotating turret with filter cubes (reflectors) is missing.

Description of this part for the microscope.

Leica DMLM
This element provides an ergonomic, inclined positioning of the head relative to the user's eyes.

The element with manufacturer part number 501055 consists of two main parts:
- angle tube
- binocular head (also referred to as binocular).
Here, only the angle tube is shown and offered, without the binocular head.

Basic parameters:
- mounting to microscope stand: 44,5 mm dovetail
- mounting of the head to the angle tube: three screws

This angle tube can solve the following problems in Leica DMLB / DMLS microscopes:
- if the plastic housing of the angle tube from head P/N 501055 becomes damaged (for example cracked after a fall)
- if the internal prism inside the angle tube from head P/N 501055 becomes damaged: chipped, damaged by fungus, discolored or delaminated
- if the lower lens (from the microscope body side) or upper lens (under the binocular head) inside the angle tube from head P/N 501055 becomes damaged, scratched or loses its anti-reflection coating

Description of this part for the microscope.

Leica DMLM
This element provides an ergonomic, inclined positioning of the head relative to the user's eyes.

The element with manufacturer part number 501501 consists of two main parts:
- angle tube
- binocular head (also referred to as binocular).
Here, only the angle tube is shown and offered, without the binocular head.

Basic parameters:
- mounting to microscope stand: 44,5 mm dovetail
- mounting of the head to the angle tube: three screws

This angle tube can solve the following problems in Leica DMLB / DMLS microscopes:
- if the plastic housing of the angle tube from head P/N 501501 becomes damaged (for example cracked after a fall)
- if the internal prism inside the angle tube from head P/N 501501 becomes damaged: chipped, damaged by fungus, discolored or delaminated
- if the lower lens (from the microscope body side) or upper lens (under the binocular head) inside the angle tube from head P/N 501501 becomes damaged, scratched or loses its anti-reflection coating

Description of this part for the microscope.

prism inside the microscope head and to select the light path: to the eyepieces / to the photo output.

This light path slider is an element that very often gets broken and then requires replacement.

Due to the similar design, it is very likely that this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

By MISTAKE I wrote an "L" (as in "left") on this element. In reality this is a RIGHT prism, so please do not be misled by the letter visible in the photos. I repeat: this is a right prism.

The prism is attached to the thread onto which the eyepiece tube is screwed. At present this forms one combined assembly.
If you would like to see this thread in more detail - it is available in the database under number 99401.

This service component may solve the following problems with the trinocular head of the Wild Heerbrugg / Leica M450 macroscope:
- how to remove fungus from the prism?
- can delamination on the prism of the Wild M420 head be removed?
- is it possible to repair the mirror in the prism if it has oxidized?
- cracked prism in the head of the Leica M420 macroscope

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

Leica
Light source connector diameter: 15 mm
Manufacturer catalog number: 10450398
Compatibility: the 15 mm connector fits light sources from Schott, Leica, Dolan-Jenner and other manufacturers using this standard

This element is used to transmit light through a fiber optic cable from a light source (illuminator) to a microscope XY stage. Such a stage is then used for transmitted light observation. A setup consisting of a light source - fiber optic light ring - XY stage was used for example in Leica DVM systems or in motorized Märzhäuser / Prior stages used in many microscopes, for example the Leica DM6000 microscope. This is a fiber optic light ring for a stage - not for one specific microscope, because such an illuminated stage can be mounted to various microscopes.

The Leica 10450398 fiber optic light ring with 15 mm connector can be used with the following light sources among others:
- Dolan-Jenner MI-150
- Dolan-Jenner MI-152
- Dolan-Jenner DC950H / HB
- Dolan-Jenner LMI-6000
- Schott KL1500
- Schott KL2500 LCD
- Leica KL1500 LED
- Leica KL300 LED
- KL models were also branded as Zeiss KL1500 / Zeiss KL2500

Description of this part for the microscope.

intended for the repair or replacement of the mounting holders into which the eyepiece tubes are screwed in the head of the Wild Heerbrugg M420 Makroskop (macroscope) (Leica M420).

Due to the similar design, it is very likely that this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

The head of this microscope contains two such holders - one for each eyepiece tube. Both are identical, which means there is no difference between the right and left side.

Description of this part for the microscope.

this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

with a high-resolution ZOOM objective.

Description of this part for the microscope.

Due to the similar design, it is very likely that this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

This microscope part may solve the following problems occurring in a Wild Heerbrugg M400, M420 oder M450 macroscope:
- missing eyepiece tube in the macroscope
- eyepiece cannot be inserted into the tube
- eyepiece tube in the macroscope is deformed

Description of this part for the microscope.

which element it is and where it is located in the head, in order to clearly identify this part.

Due to the similar design, it is very likely that this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

which element it is and where it is located in the head, in order to clearly identify this part.

Due to the similar design, it is very likely that this component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

This service component may solve the following problems with the trinocular head of the Wild Heerbrugg / Leica M450 macroscope:
- how to remove fungus from the prism?
- can delamination on the prism of the Wild M420 head be removed?
- is it possible to repair the mirror in the prism if it has oxidized?
- cracked prism in the head of the Leica M420 macroscope

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

component will also fit the photographic trinocular head of the following macroscope models:
- Wild M400
- Wild M450 (another name: Leica M450)

This service component may solve the following problems with the trinocular head of the Wild Heerbrugg / Leica M450 macroscope:
- how to remove fungus from the prism?
- can delamination on the prism of the Wild M420 head be removed?
- is it possible to repair the mirror in the prism if it has oxidized?
- cracked prism in the head of the Leica M420 macroscope

The macroscope is an advanced stereoscopic microscope with a high-resolution ZOOM objective.

Why are dual names Wild and Leica used? The M400 macroscope was manufactured by Wild Heerbrugg (Switzerland). Later, the Wild company was acquired by Leica and the M420 and M450 models may be labeled either Wild M420 / Wild M450 or Leica M420 / Leica M450. Note: this is different for the Wild M400 model - it does not have a Leica equivalent, because "Leica M400" is a model of a surgical microscope.

Description of this part for the microscope.

software) with a Märzhäuser stage.
The cable has a DB9 connector (Prior Adapter) on one side and M12 connector on the other side labeled "Märzhäuser Z".

Similar cables are used to connect the microscope stage with:
- Leica CTR controller
- Märzhäuser controllers and joysticks
- Prior controllers and joysticks
- Oasis PC card and LAS software

Description of this part for the microscope.

software) with a Märzhäuser stage.
The cable has a "STAGE" DB25 connector on one side and DB44 "XYZ" connector on the other side.

Similar cables are used to connect the microscope stage with:
- Leica CTR controller
- Märzhäuser controllers and joysticks
- Prior controllers and joysticks
- Oasis PC card and LAS software

Description of this part for the microscope.

software) with a Märzhäuser stage.
The cable has a DB25 connector on one side and two M12 connectors on the other side, one labeled X and the other labeled Y.

Similar cables are used to connect the microscope stage with:
- Leica CTR controller
- Märzhäuser controllers and joysticks
- Prior controllers and joysticks
- Oasis PC card and LAS software

Description of this part for the microscope.

software) with a Märzhäuser stage.
The cable has a DB25 connector on one side and two M12 connectors on the other side, one labeled X and the other labeled Y.

Similar cables are used to connect the microscope stage with:
- Leica CTR controller
- Märzhäuser controllers and joysticks
- Prior controllers and joysticks
- Oasis PC card and LAS software

Description of this part for the microscope.

software) with a Märzhäuser stage.
The cable has a DB15 connector on one side and M12 connectors on the other side.

Similar cables are used to connect the microscope stage with:
- Leica CTR controller
- Märzhäuser controllers and joysticks
- Prior controllers and joysticks
- Oasis PC card and LAS software

Description of this part for the microscope.

numbers 11505145 and 11505146 are compatible with microscopes:
- Leica DM4000
- Leica DM4500
- Leica DM5000
- Leica DM6000
- and likely others

Description of this part for the microscope.

Leica DM4000
- Leica DM4500
- Leica DM5000
- Leica DM6000
- and likely others

Description of this part for the microscope.

numbers 11505145 and 11505146 are compatible with microscopes:
- Leica DM4000
- Leica DM4500
- Leica DM5000
- Leica DM6000
- and likely others

Description of this part for the microscope.

but it is very likely also compatible with the identical, but non-motorized (manual) head number 11505146.

For the motorized movement system in the Leica 11505145 head, this prism is mounted on a carriage which may differ from the one moving the prism in the manual version of this head (11505146). To use this prism in the trinocular head 11505146, it must be removed (prism only) and re-glued into a new position.

Leica photo-trinocular heads, numbers 11505145 and 11505146 are compatible with microscopes:
- Leica DM4000
- Leica DM4500
- Leica DM5000
- Leica DM6000
- and likely others

Note - the prism shown here has a minor chip on a corner outside the optical path. It does not affect operation and is not visible in the wide field of view.

This service part may solve the following issues with Leica trinocular heads 11505145 and 11505146:
- how to remove fungus from a prism?
- can delamination in a Leica head prism be removed?
- can a mirror inside the prism be repaired if it has oxidized?
- cracked prism in a microscope head

Description of this part for the microscope.

illumination.

The set consists of the following elements:
- potentiometer
- ON/OFF-switch
- bulb holder / lamp socket
- halogen bulb 12V 30W
- transformer on the electronic board

Markings found on the electronic board:
- 130401
- SCL-24 46/02
- E167418
- 301-379.023.000
- Kleintges
- Leica-Nr: 301-003.420/02

This repair element may solve the following issues:
- power supply in Leica DMLB microscope is burned out
- illumination in Leica DMLB microscope does not work
- halogen bulb holder in Leica DMLB is broken
- how to repair power supply in Leica DMLB?
- electronics repair in Leica DMLB microscope

Various names are commonly used for this microscope service element:
- power supply
- transformer unit
- lamp
- bulb holder
- lamp socket
- lamp housing
- halogen bulb
- illumination
- illuminator
- electrical system
- electronics
- electronic board
- potentiometer
- brightness control
- dimmer

Description of this part for the microscope.

[[BLOCK]]
Item: Special cable.
Manufacturer: Leica
Cable number: 723794 8170531
Connectors: X/Y/Z, Video-in, Video-out, and 44-pin D-SUB
[[/BLOCK]]

Similar cables are used to connect the microscope stage with:
- Leica CTR controller
- Märzhäuser controllers and joysticks
- Prior controllers and joysticks
- Oasis PC card and LAS software

Description of this part for the microscope.

number 11505145 and 11505146
Compatibility: Leica DM4000, DM4500, DM5000 and DM6000 microscopes

Description of this part for the microscope.

Description of this part for the microscope.

type: GREEN channel

Typically used for fluorophores such as:
- FITC
- GFP
- Alexa Fluor 488

excitation filter: approx. 470-495 nm
dichroic mirror: approx. 505 nm
emission filter: approx. 515-550 nm

Applications:
- GFP imaging
- FITC immunofluorescence
- general green fluorescence

Description of this part for the microscope.

DAPI

Typically used for fluorophores such as:
- DAPI
- Hoechst
- other DNA stains

excitation filter: approx. 350 +/- 25 nm
dichroic mirror: approx. 400 nm LP
emission filter: approx. 460 +/- 25 nm

excitation: UV
emission: blue fluorescence from DNA

Applications:
- nuclear staining
- histology
- cytogenetics
- cell microscopy

Description of this part for the microscope.

Orange#1 FISH
FISH = Fluorescence In Situ Hybridization

Typically used for Orange-1 / TRITC fluorophores such as:
- Cy3
- Orange dyes
- Rhodamine
- FISH probes

excitation filter: approx. 540-565 nm
dichroic mirror: 565 nm
emission filter: approx. 590 +/- 33 nm

Applications:
- genetic diagnostics
- chromosome detection
- DNA research

Description of this part for the microscope.

ET
Catalogue number: 11504171
Channel type: Y5ET is a filter designed for fluorophores in the yellow-green excitation range.

Typical fluorophores:
- GFP variants
- YFP
- Alexa Fluor 514
- FITC-like dyes

Applications:
- immunofluorescence
- cell microscopy
- cell culture research

Description of this part for the microscope.

the same device that was also sold under the name Leica CM1800. Why? After Leica acquired Reichert-Jung, both companies sold technically identical products for a certain period under their own brands while maintaining separate model names. All service and spare parts are identical for both devices.

This knife holder is therefore compatible with:
- Reichert-Jung CryoCut-E
- Leica CM1800

However, it is highly likely that it also fits other models with the same or similar design, because knives are compatible across many models and a well-designed knife holder was often used in multiple subsequent models.

Other commonly used names for the entire device:
- cryotome
- cryostat
- microtome
- cryo-microtome
- freezing chamber

Other names used for this component:
- knife / blade holder
- knife / blade mount
- knife / blade clamp

Note that different terms are used for the knife in microtomes / cryotomes:
- PL: nóż
- PL: ostrze
- EN: knife
- EN: blade
- DE: Messer
- DE: Mikrotommesser
- DE: Klinge
- DE: Mikrotomklinge

Description of this part for the microscope.

was also sold under the name Reichert-Jung CryoCut-E. Why? After Leica acquired Reichert-Jung, both companies sold technically identical products for a certain period under their own brands while maintaining separate model names. All service and spare parts are identical for both devices.

This knife holder is therefore compatible with:
- Reichert-Jung CryoCut-E
- Leica CM1800

However, it is highly likely that it also fits other models with the same or similar design, because knives are compatible across many models and a well-designed knife holder was often used in multiple subsequent models.

Other commonly used names for the entire device:
- cryotome
- cryostat
- microtome
- cryo-microtome
- freezing chamber

Other names used for this component:
- knife / blade holder
- knife / blade mount
- knife / blade clamp

Note that different terms are used for the knife in microtomes / cryotomes:
- PL: nóż
- PL: ostrze
- EN: knife
- EN: blade
- DE: Messer
- DE: Mikrotommesser
- DE: Klinge
- DE: Mikrotomklinge

Description of this part for the microscope.

Description of this part for the microscope.

Installed in the objective turret in the upper part of the stand.

In the manufacturer's catalog from June 2025 (https://downloads.leica-microsystems.com/DM6%20M/Product%20Configuration%20%26%20Tech%20Specs/Leica_DM4_6BMP_Modular_System_V2025_06.pdf) this element is described on page 6, Fig. 9 and again on page 17, Fig. 34.

Basic technical data:
- Manufacturer: Leica
- Part number: 11555071
- Type: motorized disk with mounts for DIC disks
- Number of positions: 4; 1 blank + 3 for disks
- Compatibility: Leica DM6000 B and Leica DM6000 M

Description of this part for the microscope.

11505193

Description of this part for the microscope.

Leica
Head model: 11505193

The angled tube (German: Winkeltubus) is the component visible in the last photos in the gallery. This component is mounted to the microscope stand, and the binocular head is screwed onto it at an ergonomic angle.

On this page, I offer the interior of this angled tube.
- metal internal structure
- mirror angled prism
- lower lens (as far as I know, this is a focal lens, also known as a "tube lens" for infinity correction).

If I'm correct that this lower element is a "tube lens," then it's a sought-after component:
- by macro photographers to use infinity lenses
- by people wanting to convert their 160mm/170mm microscope to be compatible with infinity-corrected lenses.

Description of this part for the microscope.

Description of this part for the microscope.

Description of this part for the microscope.

Description of this part for the microscope.

Description of this part for the microscope.

M25 (not M32) threaded objectives, so you can also use Carl Zeiss Jena M25 objectives from Jenamed, Jenaval, Jenalumar, and Jenalab microscopes.

Description of this part for the microscope.

Achromat HI 100x / 1,25 oo/0.17-A
Color correction: Achromat
Numerical aperture: 1,25
Tube length: infinity
Focal length: not sure
Cover glass: 0.17 mm
Immersion: yes, oil
Thread: M25

This lens is often used with Leica microscopes (e.g., the DMLB, DMLS, or DM1000 models). It is often shorter than Leica objectives, but an extension adapter is used in these cases.

Description of this part for the microscope.

Description of this part for the microscope.

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