# Part name:
Leitz Wetzlar PHACO2 40/0.65 160/0,17 phase contrast microscope objective 40x PN 519759

# Original page URL:
https://www.microscopeparts.eu/part/leitz-hm-lux-3-wetzlar-phaco2-40-0-65-160-0-17-phase-contrast-microscope-objective-40x-pn-519759-99330

# Part manufacturer:
Leitz

# Full manufacturer name:
Leitz Wetzlar

# Other names of this manufacturer:
- Leitz Wetzlar, West Germany
- E. Leitz Wetzlar GmbH
- Ernst Leitz Wetzlar
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:
Objective

# Description and specifications:
Microscope objective RMS by Leitz Wetzlar (Leica) for phase contrast.

Basic parameters:
Manufacturer: Leitz Wetzlar Germany
Model: PHACO2 160/0,17 40/0,65
Leitz P/N: 519759
Magnification: 40x
Numerical aperture: 0.65
Cover glass: yes, 0.17 mm
Thread: RMS
Tube length: 160 mm
Focal length: 45 mm
Immersion: no (dry, air)
Info: phase contrast PHACO 2

The same objective model was also sold under the name "Leica" instead of "Leitz" on the housing, so these are in fact identical objectives. This objective also fits Will Wetzlar microscopes.

# Examples of use
- if your microscope lacks a 40x phase contrast objective
- if you have a 40x PHACO2 objective damaged or in poor condition
- if you have a microscope from any manufacturer that supports TL=160 FL=45 objectives, this is also a lens for you

# Removed from microscope:
Leitz HM-LUX 3

# Also compatible with the following microscopes:
- Leitz HM-LUX 3
- Leitz Laborlux S
- Leitz Wetzlar microscope
- Leitz Orthoplan
- Leitz Diaplan
- Praktycznie każdy 160 Praktycznie każdy z TL = 160 mm
- Will Wetzlar V300

# Names, descriptions, terms, and search contexts under which this part is searched.
- Leitz HM-LUX 3 microscope repair parts
- Leitz Wetzlar 40x phase contrast objective
- Leica 40x phase contrast microscope objective
- Leitz Mikroskop 40x Phasenkontrast Mikroskopobjektiv
- Leica Mikroskop Phasenkontrast Mikroskop Objektiv
- Leitz buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99330.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99330.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99330-leitz-hm-lux-3-wetzlar-phaco2-40-0-65-160-0-17-phase-contrast-microscope-objective-40x-pn-519759
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99330.media.md
- Representative photo: https://www.microscopeparts.eu/photo/leitz-hm-lux-3-wetzlar-phaco2-40-0-65-160-0-17-phase-contrast-microscope-objective-40x-pn-519759-99330-2
- Representative video: https://www.microscopeparts.eu/play/99330-1
- Other parts from category Objective: https://www.microscopeparts.eu/objective
- More Objective removed from microscope Leitz HM-LUX 3: https://www.microscopeparts.eu/objective/from/leitz/hm-lux-3
- More Objective compatible with microscope Leitz HM-LUX 3: https://www.microscopeparts.eu/objective/for/leitz/hm-lux-3
- More Objective removed from microscopes Leitz: https://www.microscopeparts.eu/objective/from/leitz
- More Objective compatible with microscopes Leitz: https://www.microscopeparts.eu/objective/for/leitz

# 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: 2026-06-30