# Part name:
Lomo K3x (PR K 3) Projection Photo Microscope Eyepiece - 23.2 mm - Single - for Projection

# Original page URL:
https://www.microscopeparts.eu/part/lomo-mbi-11-k3x-pr-k-3-projection-photo-microscope-eyepiece-23-2-mm-single-for-projection-00543

# 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:
Eyepieces

# Description and specifications:
This microscope eyepiece is in excellent condition - it's hard to find eyepieces of this quality on the used market.

Manufacturer: Lomo (CCCP / USSR / former Soviet Union)
Description: PR K 3x
Magnification: 3x
Type: PR - Projection/Projection Eyepiece (Microphotography)
Type: K - compensating eyepiece
Mounting Diameter: 23.2 mm

Projection eyepieces are special microscope eyepieces with low magnification. They are used for projection - projecting the microscopic image onto the sensor of a camera or digital camera.
Many microscope or trinocular head photo tubes have a space for mounting a projection eyepiece.

This projection eyepiece can be used with any microscope from any manufacturer.

# Examples of use
- if you need a low-magnification eyepiece
- if you need a projection eyepiece
- if you're building a DIY projector

# Removed from microscope:
Lomo MBI-11

# Names, descriptions, terms, and search contexts under which this part is searched.
- Lomo MBI-11 microscope repair parts
- projective microscope eyepiece
- mikroskop okular
- mikroskopowy
- projekcyjny
- 3x
- kamera
- aparat
- photo
- foto
- fotograficzny
- Lomo buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00543.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00543.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00543-lomo-mbi-11-k3x-pr-k-3-projection-photo-microscope-eyepiece-23-2-mm-single-for-projection
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00543.media.md
- Representative photo: https://www.microscopeparts.eu/photo/lomo-mbi-11-k3x-pr-k-3-projection-photo-microscope-eyepiece-23-2-mm-single-for-projection-00543-2
- Other parts from category Eyepieces: https://www.microscopeparts.eu/eyepieces
- More Eyepieces removed from microscope Lomo MBI-11: https://www.microscopeparts.eu/eyepieces/from/lomo/mbi-11
- More Eyepieces compatible with microscope Lomo MBI-11: https://www.microscopeparts.eu/eyepieces/for/lomo/mbi-11
- More Eyepieces removed from microscopes Lomo: https://www.microscopeparts.eu/eyepieces/from/lomo
- More Eyepieces compatible with microscopes Lomo: https://www.microscopeparts.eu/eyepieces/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: 2026-08-02