Introducing the new 32mm OptoSpin


Weathering the Storm

COVID-19 update from our Chairman


OptoTIRF V2 Laser Illuminator

We are pleased to announce the arrival of our new TIRF illuminator


MultiSplit - Four-way image splitter

Introducing our latest image splitter


Filters For Microscopy

In stock for delivery across Europe


Fluorescence Microscopy – DESIGN TO INTEGRATION.

Light Sources

With over 30 years of experience in building light sources for the life sciences we offer a range of solutions for fluorescence, transmitted light and OptoGenetics.

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OptoSplit II

Image Splitters

With an emphasis on optical performance, stability, usability, and flexibility Cairn are proud to offer a broad range of multichannel emission and detection products.

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Integrated Imaging Systems

Complimentary to our wide range of in-house microscopy and macroscopy products we also have an experienced team of scientists offering turnkey systems and solutions.

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Custom Microscopy Design

We have a dedicated design and R&D team with an onsite engineering machine workshop and offsite contracted engineers available with over 20 years of experience.

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Working in partnership with

Proud to Supply

Prime BSI Express

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LDI Laser Diode Illuminator

LDI  Laser Diode Illuminator

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DaVinci 2K NDR CMOS Camera


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X-Light V2Tp Confocal Imager

X-Light V3 Confocal Imager

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Latest News

Introducing Our 32mm Rectangular Diaphragm!

| Cairn News, News, Uncategorised | No Comments

THE NEW “CAIRNAVISION” 32mm RECTANGULAR DIAPHRAGM IS NOW HERE! Our support for the new larger camera sensors, and the larger fields of view offered by the latest microscopes, for which we have already just introduced the 32mm version of our…

What? No Plymouth?

| Cairn News, News, Uncategorised | No Comments

What? No Plymouth? We are suffering from withdrawal symptoms here!  Right now, Martin and Andrew should be teaching in what would have been the 37th Cell Physiology Workshop at Plymouth, but like so much else this year, it has run…

A good harvest

| Cairn News, News, Uncategorised | No Comments

It Looks Like the Crops Have Managed to Avoid Catching Covid! The farm has always been a great location for our little enterprise, but it is proving even more so in these current crazy times!  Those of us who neither…


| Presidents Log, Uncategorised | No Comments

I’ve long felt a slight kinship with Kurt Vonnegut’s character Winston Niles Rumfoord from his “The Sirens of Titan” novel, who one day had the slight misfortune of “running his private space ship right into the heart of an uncharted…