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Optotune Electrical lens drivers

The driver to control Optotune liquid lenses

The Lens Driver 4 offers a simple yet precise way to control Optotune's electrically tunable lenses over USB.

Communication with the driver follows an open simple serial protocol, which can be implemented in any programming language on Windows or Linux (C#, LabView and Python source code available). The driver comes with free software and can be used as a standalone solution or integrated into OEM designs.


  • Current control: from -290 to +290 mA with 12 bit precision
  • Drive frequencies: from 0.2 to 2000 Hz (rectangular, triangular, sinusoidal)
  • Power: USB powered (5 V)
  • Software: Driver software for Windows 7 & 8
  • Miscellaneous: I²C sensor read-out e.g. for temperature compensation; Available with plastic, steel or without housing

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USB current driver for electrically tuneable lenses

  • industrial housing with 6-pin Hirose connector
  • Including 1 m USB extension cable
  • output ...
File Topics Size
Optotune LensDriver4 Manual | 2019/06
Data sheets
1.5 MB