Products / Microscope Illumination
Microscope Illumination
LED & Fibre-Optic Microscope Light Sources for Fluorescence & Bright-Field
Full range of integrated fluorescence microscope light sources and bright field microscope illumination for a variety of microscopy applications and fluorophores.

Microscope Light Sources
Microscope Light Sources
CL 1500 HAL/CL 4500 LED
CL1500/4500 Cold light sources for stereo microscopes.
Prices from £758.00 (Contact for Quote)
Microscope Light Sources
pE-300
CoolLED pE-300 white light source (pE-300 White), 4 channel excitation (pE-300 Lite or Ultra). Controllable via BNC, USB control or desktop controller.
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Microscope Light Sources
pE-800
CoolLED pE-800 for 8 channel control from 340nm-750nm or 340nm-635nm. Direct coupling via light guide and control via USB or TTL.
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Microscope Light Sources
HAL 100
HAL 100 Halogen light sources for transmtted light on zeiss microscopes.
Prices from £858.00 (Contact for Quote)
Microscope Light Sources
pE-400
CoolLED pE-400 control of 4 channels (pE-400 max) or as a white light source. Attached via light guide or direct coupling with control via USB, BNC or desktop control.
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Microscope Light Sources
pT-100
CoolLED pT-100 2 variants for replication of a halogen bulb or for excitation 525nm, 635nm or 770nm. Direct attachment or liquid light guide.
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Microscope Light Sources
pE-100
CoolLED pE-100 1 channel excitation via light guide or direct coupling, from 365nm-770nm. Controllable via BNC or TTL with a desktop controller.
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Microscope Light Sources
pE-4000
CoolLED pE-4000 16 selectable channel light sources across 365nm-770nm. Control via USB or BNC with desktop controller.
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Choosing the Right Microscope Illuminator
Choosing the correct microscope illumination setup depends on the imaging technique and wavelengths required. Brightfield applications are typically fitted with halogen bulbs or white-light LEDs. If a warmer colour is needed, a filter can adjust the LED output to resemble halogen illumination, although the spectrum cannot be matched exactly. Fluorescence applications require matching excitation wavelengths with fluorophores to maintain signal quality and reduce crosstalk.
Beyond the fundamental choice between white-light and fluorescence systems, it is important to consider both the control method and how illumination is delivered. Zeiss Colibri units can integrate directly into compatible microscopes, while solutions such as CoolLED provide versatile stand-alone options for a wider range of models. Control options vary from desktop controllers to USB interfacing and software integration. Delivery through light guides adds flexibility in positioning but may reduce throughput compared with direct mounting.
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Why Indigo Scientific?
At Indigo Scientific, we offer microscope illumination systems designed for research, clinical and industrial applications. Ideal for bright field microscopy, fluorescence microscopy, the right light source is essential for excitation, contrast, reproducibility. Our LED and fibre optic setups are ideal for advanced or routine techniques.
We offer expert advice to ensure the illuminator is not only the correct wavelength but also delivers the correct excitation to your setup. Our range includes LED light sources, fibre optic illuminators, ring lights, fluorescence setups and more.
Contact our Microscope Illumination Experts
Contact our team for a quote or more information on microscope light sources.
Phone:
+44(0) 1462633500
Email:
hello@indigo-scientific.co.uk










