# Part name:
Lomo KF-4 microscope Phase Contrast set

# Original page URL:
https://www.microscopeparts.eu/part/lomo-biolam-kf-4-microscope-phase-contrast-set-00653

# 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:
Extras

# Description and specifications:
Complete Lomo phase contrast kit, model KF-4. This set is in perfect condition and shows no signs of use.

- Lomo KF-4 phase contrast condenser (mounting diameter: 37 mm)
- four phase contrast objectives
- MIR-4 auxiliary microscope (23,2 mm eyepiece)
- wooden case

Four phase contrast objectives:
- Lomo 10x 0.30 F
- Lomo 20x 0.40 F
- Lomo 40x 0.65 F
- Lomo MI 90x 1.25 F
- thread: RMS
- tube length: 160 mm
- focal length: 33 mm

Can be used with, among others: With Lomo microscopes:
- Biolam (Bresser Biolam)
- Biolam I
- MBB 1A
- MBR
- MBI
- MBI-11
- and others

This set is often used with Carl Zeiss Jena microscopes. To use it with microscopes from dozens of other brands, a condenser adapter is used, changing the condenser mounting diameter to 39.5 mm, and adapters changing the focal length of the objectives to 45 mm. It can then be used with PZO, Olympus, Nikon, Hund Wetzlar, Will Wetzlar, and most other microscopes with a TL of 160 mm.

# Examples of use
- If you want to use the transmitted light phase contrast technique in your microscope

# Removed from microscope:
Lomo Biolam

# Also compatible with the following microscopes:
- Lomo MBB-1
- Lomo Biolam
- Lomo ML-2
- IOR Biorom
- IOR ML-4M
- Carl Zeiss Jena Lg
- Carl Zeiss Jena Lr
- Carl Zeiss Jena Lu
- Carl Zeiss Jena Lumipan
- Carl Zeiss Jena Nf
- Carl Zeiss Jena Ng
- Carl Zeiss Jena Eduval
- Carl Zeiss Jena Laboval
- PZO Biolar
- PZO Studar
- PZO MB-30
- Lomo Biolam D11

# Names, descriptions, terms, and search contexts under which this part is searched.
- Lomo Biolam microscope repair parts
- Mikroskop Phasenkontrast
- microscope phase contrast
- kontrast fazowy mikroskopowy
- Lomo KF-4
- Carl Zeiss Jena
- Biolam
- Lg
- Ergaval
- PZO Biolar
- microscope objective
- Mikroskopobjektiv
- Objektic
- obiektyw Ph
- okular pomocniczy
- okular fazowy
- mikroskop pomocniczy
- Hilfsmikroskop
- Auxiliary telescope eyepiece
- durchlicht
- Lomo buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00653.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00653.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00653-lomo-biolam-kf-4-microscope-phase-contrast-set
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00653.media.md
- Representative photo: https://www.microscopeparts.eu/photo/lomo-biolam-kf-4-microscope-phase-contrast-set-00653-2
- Other parts from category Extras: https://www.microscopeparts.eu/extras
- More Extras removed from microscope Lomo Biolam: https://www.microscopeparts.eu/extras/from/lomo/biolam
- More Extras compatible with microscope Lomo Biolam: https://www.microscopeparts.eu/extras/for/lomo/biolam
- More Extras removed from microscopes Lomo: https://www.microscopeparts.eu/extras/from/lomo
- More Extras compatible with microscopes Lomo: https://www.microscopeparts.eu/extras/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