• 2020

    * Start of the restoration of the 300mm Hyde refractor of the TU Dresden
    * Acquisition of the CONTROS sensor division of Kongsberg Maritime
    * Relocation/merger of the Kiel branch into new offices
    * Presentation of the new wireless optical measuring system SMC350
  • 2019

    * Development and production of a motorized 3-axis test stand for Jenoptik Optical Systems GmbH
  • 2018

    * Start of production of debubblers for scrubber systems
    * Delivery of the 75th FerryBox system
  • 2017

    * Delivery of the restored 175mm refractor of the Stuttgart Observatory
    * We build the 100.000th fixation light
    * Development and production of an optical testing and measuring system for Dr. Johannes Heidenhain GmbH
  • 2016

    Company anniversary: 25 years -4H- JENA engineering GmbH
  • 2014

    * Opening of a commercial agency in China

    * Start of the realization of an astronomical project in Egypt

  • 2013

    Development of an underwater node technology for shallow water applications (<300m) in collaboration with Helmholtz-Zentrum Geesthacht and Alfred-Wegener-Institute Bremerhaven
  • 2012

    Takeover of the development of a multisensor platform for biogenic media (MSbM)
  • 2012

    Development and construction of an underwater camera housing for 3D surveying under water in collaboration with the Fraunhofer Institute in Jena
  • 2011

    Anniversary: 20 years -4H- JENA engineering GmbH
  • 2009

    Start of small series production µ-view
  • 2007

    * Start of the realization of the so far biggest project “Aerodynamic Test Center BMW München”

    * Construction of the first -4H- water station in Paranagua, Brazil

  • 2006

    completion of the restoration and transfer of the double refractory Potsdam for use
  • 2005

    Integration of the Ilmenau branch office into the Jena headquarter
  • 2004

    Takeover of customer service for astronomical observation devices of Carl Zeiss Jena GmbH
  • 2002

    project Time-series station Spiekeroog, Design, construction and complete set-up of the station offshore the island of Spiekeroog
  • 2002

    Training of the first apprentice
  • 2000

    * Issue of the first patent to the company -4H-

    * Establishment of branch office -4H- on the premises of Carl Zeiss Jena GmbH

    * First water quality monitoring project in Asia (Surabaya, Indonesia)

  • 1998

    Foundation of Ilmenau branch
  • 1997

    * Automation system for wind tunnel Ferrari

    * Handover of the first project
    * Foundation of the Kiel branch
    * Purchase of the company building
    * Certification according to ISO 9001

  • 1996

    Integration of Engineering Blieskastel into the company
  • 1995

    * Establishment of a research and development area

    * Realization of the first joint project APG

  • 1994

    Start of cooperation with Carl Zeiss Jena
  • 1993

    * Establishing the sector of marine measuring technology

    * Realization of the first joint project APG

  • 1991 - Foundation of the company

    Sales of PC hardware and software
    Development of the first optical inspection device

-4H-JENA engineering GmbH