Optical filters are crucial for fluorescence microscopy
By ensuring that only specific wavelengths of light reach your sample, it will improve image quality and helps isolate the signals you’re studying.
Whether you’re working with multiple fluorophores or a single dye, having the right filters optimises the accuracy and clarity of your microscopy results.
CoolLED Light Sources and Optical Filters
CoolLED’s light sources, like the pE-300ultra, pE-400max, pE-800, and pE-4000, are designed to work seamlessly with a wide range of optical filters. Each light source provides precise control of the wavelength and intensity, ensuring compatibility with various filter setups. Whether you’re targeting specific fluorophores or working across a broad spectrum, these light sources deliver reliable and consistent illumination, making them ideal partners for modern microscopy workflows.
Find the Right Filter with CoolLED’s Filter Finder Tool
Not sure which filters you need? Our Filter Finder Tool makes it easy to match the right optical filters to your specific setup.
By selecting the light source, fluorophore, or application, you can quickly identify the best filters for your application. This tool simplifies the process, ensuring that you get the most out of your CoolLED system.
Semrock Filters for the pE-800 Illumination System
Semrock, a trusted name in optical filters, has recently updated its portfolio for our pE-800 Illumination System. Known for their high-performance filters, Semrock’s products are designed to enhance image clarity and minimize background noise in fluorescence microscopy. With their updated range, you can now optimise your pE-800 system for even better results.
To find the latest Semrock filters (as well as other manufacturers’ products) for your LED Illumination System, simply use our Filter Finder Tool and filter by product!
It’s a fast, efficient way to ensure you have the right filters for your research.

CoolLED specialises in LED microscope lighting and, since our team of four introduced the first commercially available LED microscope light source in 2006, we have led the way in designing and manufacturing cutting edge LED Illuminators for Microscopes using the latest technology.










