# Part name:
Carl Zeiss Jena Amplival - Ergaval microscope field diaphragm iris

# Original page URL:
https://www.microscopeparts.eu/part/carl-zeiss-jena-amplival-ergaval-microscope-field-diaphragm-iris-00825

# 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:
Iris diaphragms

# Description and specifications:
Field diaphragm (iris diaphragm) for the base of the Carl Zeiss Jena Ergaval / Amplival microscope. It allows adjustment of illumination in the Koehler system.

This is a component of the transmitted light optical path - it is not a diaphragm for EPI reflected light.

This part fits various Carl Zeiss Jena microscope models built on the Amplival stand:
- Amplival
- Amplival Interphako
- Amplival Pol
- Vertival
- Peraval
- Fluoval
- Docuval

# Examples of use
- part required as a service component when replacement of the field diaphragm is necessary
- if you need this adjustable diaphragm for your own DIY projects

# Removed from microscope:
Carl Zeiss Jena Amplival

# Also compatible with the following microscopes:
- Carl Zeiss Jena Amplival
- Carl Zeiss Jena Ergaval
- Carl Zeiss Jena Docuval
- Carl Zeiss Jena Vertival
- Carl Zeiss Jena Epival
- Carl Zeiss Jena Fluoval

# Names, descriptions, terms, and search contexts under which this part is searched.
- Carl Zeiss Jena Amplival microscope repair parts
- Carl Zeiss Jena Ergaval - Amplival mikroskop
- microscope
- iris diaphragm
- irisblende
- blende
- feld
- feldblende
- field diaphragm
- Carl Zeiss Jena buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00825.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00825.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00825-carl-zeiss-jena-amplival-ergaval-microscope-field-diaphragm-iris
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00825.media.md
- Representative photo: https://www.microscopeparts.eu/photo/carl-zeiss-jena-amplival-ergaval-microscope-field-diaphragm-iris-00825-2
- Representative video: https://www.microscopeparts.eu/play/00825-1
- Other parts from category Iris diaphragms: https://www.microscopeparts.eu/iris-diaphragms
- More Iris diaphragms removed from microscope Carl Zeiss Jena Amplival: https://www.microscopeparts.eu/iris-diaphragms/from/carl-zeiss-jena/amplival
- More Iris diaphragms compatible with microscope Carl Zeiss Jena Amplival: https://www.microscopeparts.eu/iris-diaphragms/for/carl-zeiss-jena/amplival
- More Iris diaphragms removed from microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/iris-diaphragms/from/carl-zeiss-jena
- More Iris diaphragms compatible with microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/iris-diaphragms/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: 2026-06-30