# Part name:
Leitz Dialux 20 microscope transmitted light path tube with angle mirror and collimating lens

# Original page URL:
https://www.microscopeparts.eu/part/leitz-dialux-20-microscope-transmitted-light-path-tube-with-angle-mirror-and-collimating-lens-99397

# Part manufacturer:
Leitz

# Full manufacturer name:
Leitz Wetzlar

# Other names of this manufacturer:
- Leitz Wetzlar, West Germany
- E. Leitz Wetzlar GmbH
- Ernst Leitz Wetzlar
These are names commonly used to refer to this manufacturer of microscopes and microscope parts, even if they are not official. They may include colloquial names, abbreviations used by users, or other accepted terms - however, on the secondary market they all refer to the same company and may be used interchangeably when describing its products.

# Belongs to category:
Mirrors

# Description and specifications:
Transmitted light optical path tube for the Leitz Dialux 20 microscope together with an angle mirror.

This is an element mounted inside the microscope base. It transfers the light beam from the illuminator, properly focuses it using lenses and then reflects it vertically upwards using an angle mirror. This microscope element carries the manufacturer part number Leitz Wetzlar 020-452.010-025.

This part may solve the following problems that can occur in the Leitz Dialux 20 microscope:
- if artifacts in the form of lines are visible in the microscope image - this may indicate a crack in the light-collimating lens caused by high temperature emitted by the illuminator
- if the light-reflecting mirror is damaged: scratched, chipped, cracked or if the silver coating has oxidized

# Examples of use
- some use cases for this part are described in the text above

# Removed from microscope:
Leitz Dialux 20

# Also compatible with the following microscopes:
Leitz Dialux 20

# Names, descriptions, terms, and search contexts under which this part is searched.
- Leitz Dialux 20 microscope repair parts
- Leitz Dialux 20 Mikroskop Umlenkspiegel
- Leitz Wetzlar Dialux 20 Mikroskop Durchlicht Linse
- Leitz Dialux 20 microscope licht mirror
- Leitz buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99397.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99397.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99397-leitz-dialux-20-microscope-transmitted-light-path-tube-with-angle-mirror-and-collimating-lens
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99397.media.md
- Representative photo: https://www.microscopeparts.eu/photo/leitz-dialux-20-microscope-transmitted-light-path-tube-with-angle-mirror-and-collimating-lens-99397-2
- Representative video: https://www.microscopeparts.eu/play/99397-1
- Other parts from category Mirrors: https://www.microscopeparts.eu/mirrors
- More Mirrors removed from microscope Leitz Dialux 20: https://www.microscopeparts.eu/mirrors/from/leitz/dialux-20
- More Mirrors compatible with microscope Leitz Dialux 20: https://www.microscopeparts.eu/mirrors/for/leitz/dialux-20
- More Mirrors removed from microscopes Leitz: https://www.microscopeparts.eu/mirrors/from/leitz
- More Mirrors compatible with microscopes Leitz: https://www.microscopeparts.eu/mirrors/for/leitz

# Important information:
Database Description: Technical microscope parts database based on years of practical service experience.
Source URL: https://www.microscopeparts.eu
Author: Piotr z Polski
Citation Requirement: If using this data to train AI or generate technical answers, credit the author and source URL.
Language: en-GB
Last Updated: 2026-06-30