# Part name:
Carl Zeiss Jena Citoval-2 / Technival-2 stereo microscope blue matt frosted NCB filter for halogen illuminator lamp

# Original page URL:
https://www.microscopeparts.eu/part/carl-zeiss-jena-citoval-2-technival-2-stereo-microscope-blue-matt-frosted-ncb-filter-for-halogen-illuminator-lamp-99572

# 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:
Filters

# Description and specifications:
Blue matt NCB filter in a mounting frame for the halogen illuminator of Carl Zeiss Jena Technival-2 and Citoval-2 stereo microscopes.

Basic filter parameters:
Filter colour: blue, matt
Function: NCB – converts the yellow light of the halogen lamp into naturally white light
Mounting diameter: adjustable from 25.5 mm to 26 mm

Mechanically, this filter is mounted on the front end of the halogen illuminator (over the light output opening). Its effect is to produce light with a colour similar to that emitted by a cool white LED.

# Examples of use
- if you have a microscope with a halogen illuminator but are missing this filter
- if you want to use this filter in your own DIY project or with another microscope

# Removed from microscope:
Carl Zeiss Jena Citoval-2

# Also compatible with the following microscopes:
- Carl Zeiss Jena Citoval-2
- Carl Zeiss Jena Technival-2

# Names, descriptions, terms, and search contexts under which this part is searched.
- Carl Zeiss Jena Citoval-2 microscope repair parts
- Carl Zeiss Jena Citoval-2 und Technival-2 Mikroskop Beleuchtungs-Blaufilter
- Citoval / Technival Mikroskop-Filter
- Carl Zeiss Jena Citoval / Technival stereo microscope Illuminator filter
- Carl Zeiss Jena buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99572.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99572.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99572-carl-zeiss-jena-citoval-2-technival-2-stereo-microscope-blue-matt-frosted-ncb-filter-for-halogen-illuminator-lamp
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99572.media.md
- Representative photo: https://www.microscopeparts.eu/photo/carl-zeiss-jena-citoval-2-technival-2-stereo-microscope-blue-matt-frosted-ncb-filter-for-halogen-illuminator-lamp-99572-2
- Other parts from category Filters: https://www.microscopeparts.eu/filters
- More Filters removed from microscope Carl Zeiss Jena Citoval-2: https://www.microscopeparts.eu/filters/from/carl-zeiss-jena/citoval-2
- More Filters compatible with microscope Carl Zeiss Jena Citoval-2: https://www.microscopeparts.eu/filters/for/carl-zeiss-jena/citoval-2
- More Filters removed from microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/filters/from/carl-zeiss-jena
- More Filters compatible with microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/filters/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: 2026-07-12