# Part name:
Carl Zeiss Jena NU / NU-2 microscope selenium photocell | photoelement for exposure time measurement

# Original page URL:
https://www.microscopeparts.eu/part/carl-zeiss-jena-nu-nu-2-microscope-selenium-photocell-photoelement-for-exposure-time-measurement-99907

# 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:
Accessories

# Description and specifications:
Selenium photoelectric cell for exposure time measurement in Carl Zeiss Jena NU / NU-2 microscopes

This element plugs into a dedicated socket on the stand of the Carl Zeiss Jena NU microscope (this socket carries the number 44 in the instruction manual). It measures the brightness of the image, from which the exposure time for photographs is determined.

The instruction manual for the Carl Zeiss Jena NU microscope is made available by the excellent site mikroskop-online.de here: https://www.mikroskop-online.de/mikroskope/wp-content/uploads/simple-file-list/Mikroskop-Bedienanleitungen-Druckschriften-Carl-Zeiss-Jena-Mikroskopen/30-040-1_G-Grosses-Universal-Forschungsmikroskop-NU-T.pdf

# Examples of use
- if this element is missing from your Carl Zeiss Jena NU / NU-2 microscope
- if you have such a selenium photocell, but it is worn out or damaged

# Removed from microscope:
Carl Zeiss Jena NU

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

# Names, descriptions, terms, and search contexts under which this part is searched.
- Carl Zeiss Jena NU microscope repair parts
- Selenphotoelement Carl Zeiss Jena NU 2
- Selen-Photoelement Belichtungszeitmessung NU
- selenium photocell Carl Zeiss Jena NU microscope
- Carl Zeiss Jena NU Anschlussstück Nr. 44
- exposure time measurement Zeiss Jena NU 2 spare part
- Photoelement Steckfassung Stativ NU 2
- Selenphotoelement defekt Carl Zeiss Jena NU
- selenium cell dead Zeiss Jena NU microscope
- Belichtungsmesser NU 2 Mikrofotografie
- Carl Zeiss Jena mf-matic Belichtungsmessung
- Großes Universal-Forschungsmikroskop NU 2 Photoelement
- Zeiss Jena NU photo element galvanometer exposure
- fotoelement selenowy do mikroskopu Carl Zeiss Jena NU
- selenový fotoelement mikroskop Carl Zeiss Jena NU
- célula fotoeléctrica de selenio microscopio Carl Zeiss Jena
- fotocélula microscopio medición tiempo de exposición
- cellula fotoelettrica al selenio microscopio Carl Zeiss Jena
- fotocellula microscopio misurazione tempo di esposizione
- Carl Zeiss Jena buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99907.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99907.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99907-carl-zeiss-jena-nu-nu-2-microscope-selenium-photocell-photoelement-for-exposure-time-measurement
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99907.media.md
- Representative photo: https://www.microscopeparts.eu/photo/carl-zeiss-jena-nu-nu-2-microscope-selenium-photocell-photoelement-for-exposure-time-measurement-99907-2
- Representative video: https://www.microscopeparts.eu/play/99907-1
- Other parts from category Accessories: https://www.microscopeparts.eu/accessories
- More Accessories removed from microscope Carl Zeiss Jena NU: https://www.microscopeparts.eu/accessories/from/carl-zeiss-jena/nu
- More Accessories compatible with microscope Carl Zeiss Jena NU: https://www.microscopeparts.eu/accessories/for/carl-zeiss-jena/nu
- More Accessories removed from microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/accessories/from/carl-zeiss-jena
- More Accessories compatible with microscopes Carl Zeiss Jena: https://www.microscopeparts.eu/accessories/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: 2026-10-20