# Part name:
Zeiss IM 35 / ICM 405 (Opton ICM 405) - Intermediate module and iris diaphragm for the inverted microscope, Zeiss part number 467227 (46 72 27)

# Original page URL:
https://www.microscopeparts.eu/part/zeiss-im-35-icm-405-opton-icm-405-intermediate-module-and-iris-diaphragm-for-the-inverted-microscope-00684

# 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:
Iris diaphragms

# Description and specifications:
The module is described in the user manual as 1.5. This is the part of the lighting element located between the illuminator and the lens element that collimates the light. The equivalent of the Zeiss IM 35 (IM-35, IM35) microscope is the Opton ICM 405 (ICM-405, ICM405).

# Examples of use
- if you have a microscope with an incomplete illumination module and are missing an iris diaphragm
- if the iris diaphragm in your microscope is damaged (this is a common failure)
- if you want to use the iris diaphragm for other purposes
- if you want to keep this item as a spare

# Removed from microscope:
Zeiss IM 35

# Also compatible with the following microscopes:
- Zeiss IM 35
- Opton ICM 405
- Zeiss ICM 405

# Names, descriptions, terms, and search contexts under which this part is searched.
- Zeiss IM 35 microscope repair parts
- Zeiss IM 35
- IM35
- IM-35
- Optom ICM 405
- ICM405
- ICM-405
- inverted microscope
- mikroskop odwrócony
- inverses Mikroskop
- przysłona irysowa
- Irisblende
- Blende
- Iris diaphragm
- illuminator
- Beleuchter
- Lampe
- Lampenhaus
- oświetlacz
- Zeiss buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00684.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00684.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00684-zeiss-im-35-icm-405-opton-icm-405-intermediate-module-and-iris-diaphragm-for-the-inverted-microscope
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00684.media.md
- Representative photo: https://www.microscopeparts.eu/photo/zeiss-im-35-icm-405-opton-icm-405-intermediate-module-and-iris-diaphragm-for-the-inverted-microscope-00684-2
- Other parts from category Iris diaphragms: https://www.microscopeparts.eu/iris-diaphragms
- More Iris diaphragms removed from microscope Zeiss IM 35: https://www.microscopeparts.eu/iris-diaphragms/from/zeiss/im-35
- More Iris diaphragms compatible with microscope Zeiss IM 35: https://www.microscopeparts.eu/iris-diaphragms/for/zeiss/im-35
- More Iris diaphragms removed from microscopes Zeiss: https://www.microscopeparts.eu/iris-diaphragms/from/zeiss
- More Iris diaphragms compatible with microscopes Zeiss: https://www.microscopeparts.eu/iris-diaphragms/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: 2026-08-02