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Excelitas X-Cite XYLIS LED Fluorescence Microscope Light Source (Discontinued see below)

Original price $6,665.00 - Original price $6,665.00
Original price
$6,665.00 - $6,665.00
Current price $6,665.00
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Delivery Time

In-stock items will ship same day if order is placed by 12 pm EST. Tracking will be provided once the item leaves our warehouse

The Original XYLIS is being replaced. The New Replacement is the XYLIS II. CHECK IT OUT HERE!

Excelitas X-Cite XYLIS LED Fluorescence Microscope Light Source 

Experience unparalleled fluorescence imaging with the X-Cite XYLIS™, a state-of-the-art LED solution that eclipses conventional arc lamps in both brightness and spectrum. Ideal for an array of microscopy applications, from routine to advanced, the X-Cite XYLIS offers the broadest spectrum in a white light LED, covering the full DAPI to Cy7 range. This makes it a perfect match for both compound and stereomicroscopes.

Our innovative X-Cite XYLIS harnesses the power of our exclusive LaserLED Hybrid Drive® technology, expertly bridging the LED green gap. This ensures you don't have to compromise on price, flexibility, or performance, enjoying the full benefits of LED technology. The X-Cite XYLIS isn't just about power; it's about adaptable delivery. Whether through a light guide or a choice of over a dozen microscope adapters, this system is compatible with nearly any new or existing imaging setup, offering seamless integration and retrofitting options.

Choose from two distinct models featuring either 365 nm or 385 nm UV wavelengths, tailored to align with your preferred or existing DAPI filter sets. Control is at your fingertips with the X-Cite XYLIS, offering built-in options like intuitive fingertip control via speedDIAL, hands-free operation with a foot pedal, and USB and TTL inputs for automated applications.

Eco-friendly and performance-driven, the X-Cite XYLIS is a tried and true solution for demanding microscopy techniques such as Stereomicroscopy and FISH. Stereomicroscope users will especially appreciate the ability to turn OFF the UV spectrum, safeguarding sample viability. Choose X-Cite XYLIS for unparalleled performance, flexibility, and environmental responsibility in your fluorescence microscopy applications.



Model: XT720S

Model: XT720L

Wavelength Range

360-770 nm

380-770 nm

LED Peaks (nm)

365, 430, 475, 545, 635, 735

385, 430, 475, 545, 635, 735

Input Power Supply

Universal input 100-240 VAC, 50/60 Hz



LED ON/OFF Response Times

100 μs TTL / 1 ms USB

Control Options


ON/OFF - TTL compatible

RS-232 commands (SDK available), USB

Foot Pedal (optional)

I/O Connections

BNC input

USB (B-type)

3.5 mm stereo plug

Dimensions (W x H x D)

120 mm x 260 mm x 260 mm (4.7" x 10.3" x 10.3")


6.3 kg (13.9 lbs)




LEDs – 25,000 hours or 3 years

All other X-Cite XYLIS components - 1 year, parts and labor (excluding LLG)


X-Cite XYLIS incorporates technology protected by patent US#9,239,133

Free Ground Shipping

Within the US

Phone Support


Authorized Reseller

Item quality guaranteed

Academic Discounts

Contact us to learn more


I really appreciate the level of personalized support Empire Optics offers. No matter what the issue is, we get help immediately.


We spoke with Nick and the Digital Microscope he suggested is working great. It is super easy to operate and checks all our boxes.


Working with Empire Optics to upgrade our Fluorescence microscope was a great experience. They were extremely attentive, and we are incredibly happy with the outcome.