Grundium Ocus®20

Fast scanning at high depth of field

The Ocus®20 digital pathology microscope is optimized for fast and effortless scanning. It comes with a high depth-of-field and Z-stacking, producing sharp images even from less than perfect samples. The Ocus®20 thrives in intra-operational frozen section and ROSE applications. #speed #histology

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Grundium Ocus


Removes entry barrier into digital pathology



Quick scanning, easy to operate



Sharp peaks and valleys



Optimal magnification with optimal numerical aperture

The Ocus®20 is a small but powerful microscope scanner for digital pathology, particularly suitable for frozen section samples and rapid onsite evaluation (ROSE). It comes with a comparable magnification of 20x, meaning it is perfectly optimized for delivering sharp images fast.

Small Footprint

Most slide scanners are big pieces of equipment, requiring their own table or even room to operate, not always close to the lab. Because the Ocus®20 is so small, just 18 x 18 x 19 cm (ca. 8 x 8 x 8”), it can find a space in any corner of a desk in any lab.

Fast and Efficient

For maximum throughput and speed multiple scanners are run side by side, with one slide scanning while the next is being prepared. Read this testimonial about how Fimlab validated a fast digital frozen section process operated by laboratory technicians.

Digital Pathology Made Simple

The web-based user interface of the Ocus®20 is so simple and intuitive that anybody can be trained to use it in just 15 minutes. A lab tech can prepare and scan the slide onsite, and an expert can sign out and diagnose on their computer just as well right next to the scanner as in a different country. The long 5 um depth-of-field and Z-stacking of up to 5 layers reveal sharp details even in less than perfect samples. This makes the Ocus®20 excellent for tissue pathology.

The Ocus®20 is an incredibly practical tool for tissue pathology, second opinion and sharing scanned images online. Book a personal, non-binding and free of charge demo here.


  • Fully suited for remote operation, enables seamless telepathology
  • Fast scanning speed
  • High depth of field
  • Easy to use, anybody can use it with 15 minutes of training
  • Fits any workflow, supports all key file formats
  • Pairs with any device with internet connection (computer, laptop, tablet)
  • Robust design, very low maintenance
  • Small size, travels anywhere in its own carry-on case
  • Affordable, no recurring fees, no hidden costs
  • Fast scan speed, run several units parallel for very high throughput

Ocus®20 is CE marked according to EU 2017/746 regulation for in vitro diagnostic (IVD) medical devices. In the USA, Grundium Ocus®20 is for research use only (RUO) and not for use in diagnostic procedures.


  • Pathology (frozen section, ROSE, etc.)
  • Clinical research
  • AI diagnosis
  • Marine sciences
  • Environmental research
  • Geology
  • Material sciences


  • Numerical aperture: 0.4
  • Resolution, microscope: 0.50 μm/pix
  • Resolution, overview: 10 μm/pix
  • Depth of field: 5 μm
  • Focusing: Fully electronic
  • Image sensor: 12 Mpix
  • Slide capacity: 1
  • Slide format: 75 x 25 mm
  • Scan speed, 15 x 15 mm: ~1 min
  • Connectivity: 1 GigE, 802.11 ac WLAN
  • Image formats: TIFF, SVS
  • W x D x H: 18x18x19 cm / 7x7x7,5 inches
  • Weight: 3,5 kg | 7,7 lbs
  • Illumination: Koehler LED


Sales package content
The carry-on travel case sold separately
The Philips IntelliSite Digital Pathology Solution has the capabilities to upload, view and annotate the images produced from the Grundium scanner. Zooming and panning is really fast, even when the images are physically stored on a server in the Netherlands and I’m viewing the images from a workstation in Sweden.
— Fabio Papadia
Business Development Manager Nordics, Digital and Computational Pathology

Book a live demo

See the OCUS® portable digital microscope scanner in action – request your free personal online live demo now. A Grundium expert will contact you personally to schedule a suitable 30-minute demo time for you. In the demo we will answer all your questions about which Ocus® scanner fits your needs best, we will talk pricing, share stories about how others are using the scanners, and help you fast forward the digital pathology experience in your lab.

Book your demo