# Part name:
Wetzlar Optik 100:1 Oel N.A. 1,30 (Will) - RMS 100x microscope objective

# Original page URL:
https://www.microscopeparts.eu/part/cbs-binocular-wetzlar-optik-100-1-oel-n-a-1-30-will-rms-100x-microscope-objective-00523

# Part manufacturer:
CBS

# Full manufacturer name:
CBS Beck Kassel (Christoph Beck and Sons)

# Other names of this manufacturer:
- Beck Kassel CBS
- Christoph Beck and Sons
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:
Oil immersion microscope objective with 100x magnification.

Perfect external and optical condition. Objectives in this condition are hard to find on the used market.

Manufacturer: Will Wetzlar (engraved with Wetzlar Optik)
Magnification: 100x
Model: 100:1 Oil N.A. 1.30
Numerical aperture: 1.30
Tube length: Not certain, probably 170 mm
Focal length: 37 mm
Cover glass: 0.17 mm
Immersion: Yes, oil immersion
Thread: RMS

The microscope lenses engraved with the name "Wetzlar Optik" were manufactured by Will Wetzlar for other microscope manufacturers. The aim was to provide other manufacturers with access to optics of the highest quality and to increase the value of their products by using the name "Wetzlar" (Leica), which stands for optical glass of the highest quality.

# Examples of use
- If you have a microscope from any brand without objectives, with a missing objective lens for this magnification, or with a damaged (or very poor condition) 100x objective and want to use such a high-quality objective
- If you have such an objective lens, but it is of very poor quality or damaged

# Removed from microscope:
CBS Binocular

# Also compatible with the following microscopes:
Praktycznie każdy 160 Praktycznie każdy z TL = 160 mm

# Names, descriptions, terms, and search contexts under which this part is searched.
- CBS Binocular microscope repair parts
- Olejowy obiektyw mikroskopowy
- immersyjny
- Oil microscope objective
- Mikroskop Objektiv
- Will Wetzlar
- Hund Wetzlar
- CBS Kassel
- Steindorff Berlin
- Steinmar Berlin
- Leitz Wetzlar
- Leica
- CBS buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/00523.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/00523.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/00523-cbs-binocular-wetzlar-optik-100-1-oel-n-a-1-30-will-rms-100x-microscope-objective
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/00523.media.md
- Representative photo: https://www.microscopeparts.eu/photo/cbs-binocular-wetzlar-optik-100-1-oel-n-a-1-30-will-rms-100x-microscope-objective-00523-2
- Other parts from category Objective: https://www.microscopeparts.eu/objective
- More Objective removed from microscope CBS Binocular: https://www.microscopeparts.eu/objective/from/cbs/binocular
- More Objective compatible with microscope CBS Binocular: https://www.microscopeparts.eu/objective/for/cbs/binocular
- More Objective removed from microscopes CBS: https://www.microscopeparts.eu/objective/from/cbs
- More Objective compatible with microscopes CBS: https://www.microscopeparts.eu/objective/for/cbs

# 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