# Part name:
Zeiss Photomicroscope / Universal microscope fine focus mechanism | gear block

# Original page URL:
https://www.microscopeparts.eu/part/zeiss-photomicroscope-s-universal-microscope-fine-focus-mechanism-gear-block-99677

# Part manufacturer:
Zeiss

# Full manufacturer name:
Carl Zeiss West Germany

# Other names of this manufacturer:
- Carl Zeiss West
- Carl Zeiss West Germany
- Opton
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:
Service and spare parts

# Description and specifications:
Internal gear mechanism of the fine focus adjustment system (micro adjustment block) for the Zeiss Photomicroscope / Universal microscope.

The function of this mechanism is precise focusing - converting the horizontal movement of the adjustment knob into precise vertical movement.

This fine focus mechanism rack fits the following microscopes:
- Zeiss Standard WL / WL 89
- Zeiss Universal
- Zeiss Photomicroscope
- Zeiss Photomicroscope II
- Zeiss Photomicroscope III RS

# Examples of use
- as a service part to replace the entire block
- if you own a Carl Zeiss microscope with a damaged fine focus mechanism and want to replace only a single gear wheel
- if you need a fine focus mechanism for your own DIY project

# Removed from microscope:
Zeiss Photomicroscope

# Also compatible with the following microscopes:
- Zeiss Photomicroscope
- Zeiss Universal
- Zeiss Standard WL
- Zeiss Photomicroscope II
- Zeiss Photomicroscope III RS

# Names, descriptions, terms, and search contexts under which this part is searched.
- Zeiss Photomicroscope microscope repair parts
- Carl Zeiss Univeral / Photomicroscope Mikroskop Triebblock
- Zeiss PM3 RS / Phomi Mikroskop Feintrieb
- Zeiss Standard WL / WL 89 Mikroskop Zahnradblock Mechanismus
- Zeiss Standard WL microscope fine focus
- Zeiss Photomicroscope microscope micro gear block
- Zeiss buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99677.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99677.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99677-zeiss-photomicroscope-s-universal-microscope-fine-focus-mechanism-gear-block
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99677.media.md
- Representative photo: https://www.microscopeparts.eu/photo/zeiss-photomicroscope-s-universal-microscope-fine-focus-mechanism-gear-block-99677-2
- Representative video: https://www.microscopeparts.eu/play/99677-1
- Other parts from category Service and spare parts: https://www.microscopeparts.eu/service-and-spare-parts
- More Service and spare parts removed from microscope Zeiss Photomicroscope: https://www.microscopeparts.eu/service-and-spare-parts/from/zeiss/photomicroscope
- More Service and spare parts compatible with microscope Zeiss Photomicroscope: https://www.microscopeparts.eu/service-and-spare-parts/for/zeiss/photomicroscope
- More Service and spare parts removed from microscopes Zeiss: https://www.microscopeparts.eu/service-and-spare-parts/from/zeiss
- More Service and spare parts compatible with microscopes Zeiss: https://www.microscopeparts.eu/service-and-spare-parts/for/zeiss

# 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: 2026-08-01