# Part name:
Carl Zeiss Jena Jenalumar / Jenaval microscope focusing block (fine and coarse focus mechanism) with dovetail

# Original page URL:
https://www.microscopeparts.eu/part/carl-zeiss-jena-jenalumar-jenaval-microscope-focusing-block-fine-and-coarse-focus-mechanism-with-dovetail-99681

# Part manufacturer:
Carl Zeiss Jena

# Full manufacturer name:
VEB Carl Zeiss Jena DDR (former East Germany)

# Other names of this manufacturer:
- ausJena
- aus Jena
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:
Focusing blocks

# Description and specifications:
Focusing block (fine and coarse focus mechanism) for Carl Zeiss Jena Jenalumar and Jenaval microscopes.

This mechanism transfers the rotary motion of the focusing knobs (via a pinion mounted on the shaft between the knobs) into the vertical movement of the integrated microscope stage and condenser support. This support is mounted on a dovetail guide, which is an integral part of the focusing block (included with this assembly).

This mechanism is suitable for the following microscope models:
- Carl Zeiss Jena Jenalumar
- Carl Zeiss Jena Jenaval
- Carl Zeiss Jena Jenavert

# Examples of use
- this microscope part is intended for users who own a Carl Zeiss Jena Jenalumar or Jenaval microscope with a damaged focusing block (fine focus and coarse focus)

# Removed from microscope:
Carl Zeiss Jena Jenalumar

# Also compatible with the following microscopes:
- Carl Zeiss Jena Jenaval
- Carl Zeiss Jena Jenalumar
- Carl Zeiss Jena Jenavert

# Names, descriptions, terms, and search contexts under which this part is searched.
- Carl Zeiss Jena Jenalumar microscope repair parts
- Carl Zeiss Jena Jenaval und Jenalumar Mikroskop Triebkasten
- Jenaval und Jenalumar Mikroskop Grobtrieb und Feintrieb
- Jenaval / Jenalumar Fokussierungsantrieb
- Carl Zeiss Jena Jenaval / Jenalumar fine focus gears
- Jenalumar / Jenaval microscope coarse focus gears
- Carl Zeiss Jena Jenaval und Jenalumar Mikroskop Triebblock
- Carl Zeiss Jena buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99681.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99681.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99681-carl-zeiss-jena-jenalumar-jenaval-microscope-focusing-block-fine-and-coarse-focus-mechanism-with-dovetail
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99681.media.md
- Representative photo: https://www.microscopeparts.eu/photo/carl-zeiss-jena-jenalumar-jenaval-microscope-focusing-block-fine-and-coarse-focus-mechanism-with-dovetail-99681-2
- Representative video: https://www.microscopeparts.eu/play/99681-1
- Other parts from category Focusing blocks: https://www.microscopeparts.eu/focusing-blocks
- More Focusing blocks removed from microscope Carl Zeiss Jena Jenalumar: https://www.microscopeparts.eu/focusing-blocks/from/carl-zeiss-jena/jenalumar
- More Focusing blocks compatible with microscope Carl Zeiss Jena Jenalumar: https://www.microscopeparts.eu/focusing-blocks/for/carl-zeiss-jena/jenalumar
- More Focusing blocks removed from microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/focusing-blocks/from/carl-zeiss-jena
- More Focusing blocks compatible with microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/focusing-blocks/for/carl-zeiss-jena

# 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: 2026-08-03