# Part name:
LOMO Biolam / Erudit click-stop latch spring for microscope objective revolving nosepiece | Bresser Biolam compatible

# Original page URL:
https://www.microscopeparts.eu/part/lomo-biolam-erudit-click-stop-latch-spring-for-microscope-objective-revolving-nosepiece-bresser-biolam-99983

# Part manufacturer:
Lomo

# Full manufacturer name:
Leningrad Optical Mechanical Association

# Other names of this manufacturer:
- LZOS
- TOMP
- WTOMP
- WOOMP
- GOMZ
- LOOMP
- Progres
- Progress
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:
Service and spare parts

# Description and specifications:
Detent spring (spring plate) for the click-stop of the objective nosepiece of the LOMO Biolam microscopes and similar models.

This is the part inside the objective nosepiece that makes the click audible and noticeable when you turn the nosepiece, and that makes the nosepiece stop in the right place. This part is a plate with a recess into which the corresponding tooth drops.

This detent spring fits the nosepieces used in the following microscopes, among others:
- Lomo Erudit (ЛОМО Эрудит)
- Lomo Biolam 70
- Lomo Micmed 1
- Lomo Biolam Д1 / Д2 / Д3 (D series - portable)
- Lomo Biolam C1 / C2 / C3 (S series - for students)
- Lomo Biolam P1 / P2 / P3 / P4 / P5 / P6 / P7 (R series - working microscopes)

This detent spring also fits the nosepieces used in those Lomo Biolam models that have the micro fine focus adjustment built into the base (these are the Biolam models with a two-digit model number, Дxx / Cxx / Pxx)
- Lomo Biolam Д11 / Д12 / Д13 (D series - portable)
- Lomo Biolam C11 / C12 / C13 (S series - for students)
- Lomo Biolam P11 / P12 / P13 / P14 / P15 / P16 / P17 (R series - working microscopes)

In addition, this detent spring fits the nosepieces used in the microscopes:
- sold in Germany under the names Bresser Biolam and Bresser Erudit, including the newest ones with illumination integrated into the base
- and the same microscopes sold in the United Kingdom under the name Zenith Biolam

Here you will see a nosepiece that this detent spring fits: https://www.microscopeparts.eu/part/99982.

You will find a comparison table of the first generation Lomo Biolam microscope models (with one digit in the model name) here: https://www.microscopeparts.eu/photo/99964-1.

You will find a comparison table of the second generation Lomo Biolam microscope models (with two digits in the model name) here: https://www.microscopeparts.eu/photo/99983-5.

You can read about the differences between the Lomo Erudit and the Lomo Biolam microscope here: https://www.microscopeparts.eu/microscope/lomo-erudit-207.

ЛОМО marked the series in Cyrillic letters, so the letter engraved on the microscope does not always mean what it seems to mean at first glance: Д stands for the Latin D, but the Russian C is read as S and the Russian P as R.

The same models in the notation used on Western markets:
- Lomo Biolam D-1 / D-2 / D-3
- Lomo Biolam S-1 / S-2 / S-3
- Lomo Biolam R-1 / R-2 / R-3 / R-4 / R-5 / R-6 / R-7
- Lomo Biolam D-11 / D-12 / D-13
- Lomo Biolam S-11 / S-12 / S-13
- Lomo Biolam R-11 / R-12 / R-13 / R-14 / R-15 / R-16 / R-17

# Examples of use
- as a service part in the form of replacing the entire element if it is damaged or heavily worn in the condenser you own

# Removed from microscope:
Lomo Biolam

# Also compatible with the following microscopes:
- Lomo Biolam
- Bresser Biolam
- Lomo Biolam D11
- Lomo MBP-1
- Lomo Erudit
- Lomo Biolam 70
- Bresser Erudit

# Names, descriptions, terms, and search contexts under which this part is searched.
- Lomo Biolam microscope repair parts
- Objektivrevolver Rastfeder Lomo Biolam
- nosepiece detent spring Lomo Biolam
- Revolver rastet nicht mehr ein
- microscope nosepiece does not click
- Objektivrevolver dreht durch ohne Rastung
- nosepiece does not stop at the objective
- Objektivrevolver zerlegen und neufetten
- regrease microscope nosepiece turret
- Rastfeder gebrochen Mikroskop
- broken detent spring microscope
- Objektivrevolver reparieren Lomo Biolam
- microscope nosepiece repair Lomo Erudit
- altes Mikroskop restaurieren Revolver
- restoring a vintage microscope nosepiece
- Bresser Biolam Revolver Ersatzteil
- Zenith Biolam nosepiece spring
- západka revolveru mikroskopu Lomo Biolam
- muelle de trinquete revolver microscopio Lomo Biolam
- resorte revolver portaobjetivos microscopio PZO Biolar
- molla di scatto revolver portaobiettivi microscopio PZO Biolar
- molla revolver portaobiettivi microscopio Carl Zeiss Jena
- zapadka rewolweru mikroskopowego Lomo Biolam
- Lomo buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99983.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99983.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99983-lomo-biolam-erudit-click-stop-latch-spring-for-microscope-objective-revolving-nosepiece-bresser-biolam
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99983.media.md
- Representative photo: https://www.microscopeparts.eu/photo/lomo-biolam-erudit-click-stop-latch-spring-for-microscope-objective-revolving-nosepiece-bresser-biolam-99983-2
- Other parts from category Service and spare parts: https://www.microscopeparts.eu/service-and-spare-parts
- More Service and spare parts removed from microscope Lomo Biolam: https://www.microscopeparts.eu/service-and-spare-parts/from/lomo/biolam
- More Service and spare parts compatible with microscope Lomo Biolam: https://www.microscopeparts.eu/service-and-spare-parts/for/lomo/biolam
- More Service and spare parts removed from microscopes Lomo: https://www.microscopeparts.eu/service-and-spare-parts/from/lomo
- More Service and spare parts compatible with microscopes Lomo: https://www.microscopeparts.eu/service-and-spare-parts/for/lomo

# 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: 2026-10-31