Grundium Ocus®20

Fast scanning at high depth of field

The Ocus®20 is optimized for fast and effortless scanning at a comparable magnification of 20x. Thanks to its perfect balance between image resolution and scan time, it’s especially suitable for intraoperative frozen sections and histopathology.

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Grundium Ocus


Removes the entry barrier into digital pathology



15x15mm sample in about 60 seconds



Sharp peaks and valleys with continuous autofocus



Optimal magnification and numerical aperture

Designed for intraoperative frozen sections

The Ocus®20 is a small, yet powerful microscope slide scanner for digital pathology, proven to be especially suitable for frozen section samples and rapid onsite evaluation (adequacy evaluation). Its comparable magnification is 20x, meaning it is perfectly optimized for delivering sharp images fast.

Read more: Digital Pathology for Frozen Sections

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. It weighs only 3,5 kg / 7,7 lbs, so it's easy enough to just grab and take it with you, but also sturdy enough to be carried around without being damaged easily.

Fast and Efficient

For maximum throughput and speed multiple Ocus® 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.

Scan time of a 15x15mm sample is circa 60 seconds. From Grundium's browser-based user interface, the images can immediately be exported in JPG, SVS and TIFF formats and shared via email, uploaded to cloud services or exported to an external USB drive – or all at once. In addition, the device acts as a slide server: it has an internal storage of 500 gigabytes and a secure remote access can be set up. Grundium also offers an API to integrate the Ocus® scanners to your own workflow. Read more about the API here.

Digital Pathology Made Simple

The browser-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 in 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, continuous autofocus and Z-stacking of up to 5 layers all together make sure to 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.


  • 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
  • Storage: 500GB SSD
  • 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.

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