SCHOTT 400.265 VisiLED Brightfield Ringlight S80-65, 81mm for Stereo Microscopes

The SCHOTT 400.265 VisiLED Brightfield Ringlight S80-65 is a precision-engineered LED illumination component specifically designed for incident brightfield illumination in stereo microscopy applications critical to biotechnology and molecular diagnostics. Featuring an 81 mm inner diameter, it accommodates large-diameter research-grade objectives such as those of the Zeiss Stereo Discovery and Leica M Series, making it essential for detailed biological and biomedical imaging workflows.

Key technical specifications include:

• Illumination Method: Brightfield, providing uniform, top-down light for enhanced sample contrast in live-cell imaging and synthetic biology research.
• LED Configuration: 80 ultra-high brightness power LEDs grouped into 8 controllable segments, enabling optimized contrast modulation for diverse microscopy techniques.
• Color Temperature: 5600 Kelvin daylight-balanced LEDs ensure consistent color rendering, supporting accurate visualization in molecular biology and bioprocessing assays.
• Working Distance: 35 mm to 100 mm suitable for thick biological samples and complex biomanufacturing specimen setups.
• Maximum Illuminance: 130 kiloLux at 75 mm working distance, facilitating high-contrast fluorescence analysis and structural imaging.
• Design & Usability: Compact form factor (outer diameter 130 mm, height 25 mm) with thumb screw and clamp ring mounting enables straightforward attachment to stereo microscope objectives, eliminating the need for bulky fiber optic light guides.

With a typical operating life of 50,000 hours, the SCHOTT VisiLED ringlight supports long-term biotechnology workflows including molecular cloning, gene editing visualization, and clinical diagnostics. Its homogeneous illumination and segment control make it widely adopted in synthetic biology research environments requiring precise and reproducible illumination conditions.

This ringlight is an essential illumination accessory enhancing research productivity in neuroscience, cell imaging, and biopharmaceutical production pipelines, widely valued for its reliability and exceptional optical performance.