# Part name: Olympus BH2-SC protective glass for microscope condenser | glass disc above the iris diaphragm, also for U-SC and U-SC3 # Original page URL: https://www.microscopeparts.eu/part/olympus-bh-2-bh2-sc-protective-glass-for-microscope-condenser-glass-disc-above-the-iris-diaphragm-also-for-u-99926 # Part manufacturer: Olympus # Full manufacturer name: Olympus Corporation Tokyo Japan # Other names of this manufacturer: - Olympus Tokyo - Olympus Japan - Olympus Tokyo Japan - Olympus Optical Co., Ltd. - Olympus Corporation. 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: Protective glass for the iris diaphragm of the Olympus BH2-SC microscope condensers, and also for the U-SC and its variants. The achromatic BH2-SC / U-SC microscope condensers have an upper, swing-out lens. When it is in the light path, the condenser offers N.A. 0.9. With the top lens swung out, the condenser works at a low numerical aperture of N.A. 0.16 (values from 0.16 to 0.2 are quoted on the internet). In fact such a low N.A. is achieved with the iris diaphragm alone, without any lens at all - but in these condensers Olympus fitted a protective glass (a round glass disc) protecting the diaphragm from dirt that could fall into it from above (for example from the stage) and damage it. This glass is cemented into the conical casting that forms the condenser body. It is exactly this part that I offer here, that is the protective glass (the so-called zero glass) cemented into its housing. This particular part was removed from an Olympus BH2-SC condenser taken out of an Olympus BH-2 BHS microscope. I could not confirm this, but everything indicates that this protective glass will also fit the microscope condensers for Olympus BX microscopes: - Olympus U-SC - Olympus U-SC-2 - Olympus U-SC3 The microscope condensers listed above are sometimes referred to collectively as: - Olympus Achromat 0.9 flip-out condenser - Olympus 0.9 swing-out condenser Before you decide to use this glass with its housing to repair a condenser other than the one it was removed from - compare their appearance and dimensions carefully. This glass is damaged quite often: - it can get scratched during cleaning - it can crack due to stress - it can get broken during unprotected storage or in transit The glass protecting the diaphragm is not a spare part for a microscope. It is a part for repairing the condenser - and that condenser can sit in various microscopes. Here are examples of microscope models in which the condensers that this glass fits are most often used: - Olympus BH-2: BHS / BHT / BHTU - Olympus BX: BX40 / BX50 / BX51 / BX60 The most important microscopes used with the condenser models mentioned here are listed in the "compatibility" section, but this is by no means a complete list. The last photos show the microscope condenser that the glass with its mount offered here comes from. A curiosity: it is possible that this part also fits the Meiji MA976 microscope condenser. # Examples of use - as a service part for repairing the microscope condenser # Removed from microscope: Olympus BH-2 # Also compatible with the following microscopes: - Olympus BH-2 - Olympus BX - Olympus BH-2 BHS - Olympus BH-2 BHTU - Olympus BX50 - Olympus BX40 - Olympus BX41 - Olympus BX51 # Names, descriptions, terms, and search contexts under which this part is searched. - Olympus BH-2 microscope repair parts - Olympus BH2-SC Kondensor Schutzglas Ersatz - protective glass for Olympus U-SC3 microscope condenser - Glasscheibe über der Irisblende Olympus U-SC Kondensor - Olympus BH-2 condenser bottom glass replacement part - Olympus Mikroskop Kondensor Glas gesprungen - cracked glass in Olympus BH2-SC condenser - Schutzglas Kondensor zerkratzt Olympus BH-2 Mikroskop - broken condenser glass Olympus U-SC microscope - Olympus Mikroskop Kondensor Schutzglas wechseln - how to replace condenser protective glass Olympus microscope - Olympus BX40 BX50 Kondensor Glasscheibe Ersatzteil - Olympus BH-2 Mikroskop aufarbeiten Kondensor Glas - Olympus Achromat 0.9 swing out condenser glass disc - ochranné sklo kondenzoru mikroskopu Olympus - cristal protector condensador microscopio Olympus BH-2 - cambiar cristal condensador microscopio Olympus - vetro di protezione condensatore microscopio Olympus - sostituire vetro condensatore microscopio Olympus BH-2 - szybka ochronna przysłony irysowej kondensora mikroskopu Olympus BH2-SC - Olympus buy spare parts # Related URLs: - Markdown po polsku: https://www.serwismikroskopowy.pl/part/99926.md - Markdown auf Deutsch: https://www.mikroskopteile.de/part/99926.md - Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99926-olympus-bh-2-bh2-sc-protective-glass-for-microscope-condenser-glass-disc-above-the-iris-diaphragm-also-for-u - Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99926.media.md - Representative photo: https://www.microscopeparts.eu/photo/olympus-bh-2-bh2-sc-protective-glass-for-microscope-condenser-glass-disc-above-the-iris-diaphragm-also-for-u-99926-2 - Representative video: https://www.microscopeparts.eu/play/99926-1 - Other parts from category Service and spare parts: https://www.microscopeparts.eu/service-and-spare-parts - More Service and spare parts removed from microscope Olympus BH-2: https://www.microscopeparts.eu/service-and-spare-parts/from/olympus/bh-2 - More Service and spare parts compatible with microscope Olympus BH-2: https://www.microscopeparts.eu/service-and-spare-parts/for/olympus/bh-2 - More Service and spare parts removed from microscopes Olympus: https://www.microscopeparts.eu/service-and-spare-parts/from/olympus - More Service and spare parts compatible with microscopes Olympus: https://www.microscopeparts.eu/service-and-spare-parts/for/olympus # 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: 2026-10-23