Description
Reducing ring for ring lights is a precision optical accessory that adapts ring-light mounts from Ø 66 mm to Ø 50 mm for compatible cold-light and microscopy illumination setups. Designed for laboratory optical instruments and lamps, it provides a straightforward mechanical interface when a smaller mounting diameter is required on existing ring-light hardware. The component is supplied as a single piece with a net weight of 0,150 kg, making it easy to keep on hand for instrument configuration changes. In everyday lab use it supports stable alignment of ring illumination on stands, stereo microscopes, and related optical benches where diameter mismatch would otherwise prevent secure attachment. This reducing ring from manufacturer Starlight Opto-Elect fits cleanly into cold-light-source workflows and general optical instrument assembly. Compact and purpose-built, it helps maintain consistent lighting geometry without modifying the primary light head. Suitable for research, teaching, and routine inspection environments that rely on modular ring-light systems, it offers a practical diameter conversion solution within standard labware optical accessory ranges.
This article is part of Cold light sources & lighting, in Microscopy & histology.
Key features
- Pack size: 1 pc
- Product type: Reducing ring for ring lights
- Adaptation: Ø 66 mm to Ø 50 mm
- Outer diameter: 66 mm
- Inner diameter: 50 mm
- Weight: 0,150 kg
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Questions about Reducing ring for ring lights, Ø 66 mm to Ø 50 mm, 1 unit(s)
What is this article?
Reducing ring for ring lights, Ø 66 mm to Ø 50 mm, 1 unit(s) is the article on this page. Luminix Health distributes Starlight Opto-Elect for laboratory use. It sits in Cold light sources & lighting, inside Microscopy & histology, in Lab instruments.
A cold light keeps the heat of the lamp away from a living or a melting specimen, usually by a fibre light guide. It is the illuminator for a stereo microscope. Colour temperature matters when the image is photographed. A hot lamp over a dissection dries the sample.
A light microscope forms an image with glass lenses and transmitted or reflected light. A stereo microscope is the lower-magnification instrument for dissecting and for looking at a surface. Fluorescence needs a light source and filters matched to the dye. Histology is the preparation that makes a tissue readable: fixation, a cassette, a section, a stain. The objective's magnification and numerical aperture decide the resolution. The slide and the cover glass decide whether the section sits in the focal plane. Stains and dyes as substances are identified on PubChem. Papers on the methods are on PubMed.
Which category should I open next?
The category is Microscopy & histology. The sub-category is Cold light sources & lighting. The catalogue is Lab instruments.
Shelves beside this one are Microscope slides & cover glasses, Microscope objectives, eyepieces & optics, Histology cassettes & moulds, Counting chambers & haemocytometers, Stereo microscopes, Light & fluorescence microscopes, Histology reagents & consumables, Microscopy accessories and Digital & USB microscopes.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

