# Part name:
Lomo Biolam P1 (R1 1973) microscope vertical focus spring cover with logo

# Original page URL:
https://www.microscopeparts.eu/part/lomo-biolam-p1-r1-1973-microscope-vertical-focus-spring-cover-with-logo-00055

# 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:
A metal cap engraved with the manufacturer's logo and the model name "R1U4.2." Both mounting screws are included.

For model: P1 Y 4.2(Cyrillic)
In Latin: R1 U 4.2

This cap covers and holds the spring, which is part of the fine (micro) advance mechanism.

The plate also contains the serial number, which begins with the year of manufacture (here, 73).

The markings placed immediately after the model name (here Y 4.2) mean:

Y 4.2: means a microscope or a microscope part adapted for operation in rooms with moderate humidity and within a temperature range of 10°C - 35°C.
T 4.2: means a microscope or a microscope part adapted for operation in rooms with extremely dry air or with high humidity in a tropical climate and within a temperature range of 10°C - 45°C.
Y 1.1: means a microscope or a microscope part adapted for operation in rooms with moderate humidity, but with the possibility of outdoor operation within a temperature range of -10°C - 40°C.

(Source: mikroskopfreunde-nordhessen.de)

# Examples of use
- On the secondary market, you can find Biolam microscopes that have been repaired in the past and are missing this part.
- Also for those who simply lost this part during microscope service.
- For those who have this plate, but it's damaged.

# Removed from microscope:
Lomo Biolam

# Also compatible with the following microscopes:
Lomo Biolam

# Names, descriptions, terms, and search contexts under which this part is searched.
- Lomo Biolam microscope repair parts
- Cap
- cover
- zaślepka
- Lomo Biolam P1
- Lomo Biolam R1
- USSR
- soviet
- vintage
- antique
- black microscope
- Mikroskop
- stary
- russisches
- radziecki
- rosyjski
- serwis
- naprawa
- sprężyna
- przesuw pionowy
- vertical movements
- Höhenverstellung
- tabliczka znamionowa.
- Lomo buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00055.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00055.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00055-lomo-biolam-p1-r1-1973-microscope-vertical-focus-spring-cover-with-logo
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00055.media.md
- Representative photo: https://www.microscopeparts.eu/photo/lomo-biolam-p1-r1-1973-microscope-vertical-focus-spring-cover-with-logo-00055-2
- 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: 2026-07-31