Schott VisiLED Brightfield Ringlight "Slim" 66 mm (Model 400.150) for Stereo Microscopy Illumination

The Schott VisiLED Brightfield Ringlight "Slim" 66 mm (400.150) is a precision-engineered LED illumination accessory designed for demanding applications in stereo microscopy and optical imaging. Essential for enhancing contrast in biological and material sciences, this ringlight delivers uniform top-down incident brightfield illumination for detailed sample visualization.

• Illumination Method: Brightfield, with optional Darkfield adapter (Ring C) available for advanced contrast techniques.
• Design: Slim profile with 66 mm inner diameter, compatible with most stereo microscope objectives; adapters available for 58 mm and 60 mm lenses.
• Working Distance (WD): Two included focus rings provide adjustable WD settings—Ring A covers 20–40 mm and Ring B spans 40–90 mm—optimizing compatibility with 1X or higher objective lenses.
• LED Configuration: 48 ultra-high brightness Power LEDs segmented into 8 controllable sections, enabling tailored contrast settings fit for fluorescence analysis, live-cell imaging enhancements, and molecular diagnostics workflows.
• Color Temperature: 5600 K daylight-balanced illumination, critical for precise color rendition and imaging fidelity in biotechnology and biomedical research.
• Performance: Maximum illuminance of 65 lux at 50 mm WD ensures sufficient light intensity for detailed observation without fiber optic guides or bulky light boxes.
• Durability: Long operational life rated at approximately 50,000 hours, reducing maintenance downtime in continuous laboratory usage.
• Mounting & Adaptability: Quick attachment via thumb screw and clamp ring provides ease of setup on stereo microscopes; modular rings allow rapid switching between brightfield and darkfield modes, supporting a variety of research protocols from synthetic biology to bioprocessing.
• Physical Dimensions: Outer diameter: 82 mm; Inner diameter: 66 mm; Height: 35.5 mm (Ring A) / 37.5 mm (Ring B).
• Application Areas: Widely used in clinical diagnostics, cell imaging, neuroimaging, and biomanufacturing environments where consistent, homogeneous illumination is paramount.

This product is critical in laboratories focusing on molecular biology, gene editing, and synthetic biology research due to its adaptability and precision in illuminating samples for advanced microscopy-based analysis. The optional darkfield functionality further extends its use cases into surface topology studies and enhanced contrast imaging, making it a versatile tool in modern biotechnological and biomedical engineering workflows.