CARL ZEISS SA is a provider of products and services such as data logging systems,cameras, astronomy,astrographs,helioscopes,reflectors, astronomical,refractors, astronomical,spectroscopes, astronomical,spectrographs, astronomical,astrolabes, danjon prism,theodolites, universal, astronomical (altazimuths),meridian circles, azimuthal circles,astronomical clocks,chronographs, astronomical, recording and printing,sextants,cameras, satellite,image enhancement and pattern recognition equipment, electronic, for observatories,telescopes, astronomical,torque analysers,ice detectors, road surface,metal detectors for buried metal,metal detectors and accessories, hobby and leisure use,tramp metal detection equipment, timber,tramp metal detectors, rubber and plastic industries,tramp metal detectors, textile industry,tramp metal detectors, chemical and pharmaceutical industries,tramp metal detectors, food industry,metal detectors for conveyor belts,detection systems, dust, electric,mine-detectors,detectors, fluids, electronic,leak detectors, ultrasonic,torque indicators, electronic,comparators, electronic,comparators, electrical,electronic noses,stroboscopes, electronic,thickness gauges, electric and electronic,gauges, electronic, precision,gauges, electrical,atmospheric electricity monitoring equipment,barometers,barometers, test bench,barometers, recording,barographs,meteorographs,dew gauges, dew point indicators, meteorological,evaporimeters, meteorological,hygrometers,hygrometers, recording (hygrographs), meteorological,hygrometers, alarm,thermo-hygrographs,barohydrographs,barothermohygrographs,rain gauges,rainfall alarms, meteorological,rain collectors, meteorological,snow gauges,snowfall alarms, meteorological,haze meters/transmissometers, meteorological,actinometers, meteorological,sunshine recorders, meteorological,pyranometers/solarimeters,pyrgeometers,lightning detection systems,lightning flash location systems,storm location equipment,wind speed meters (anemometers) and indicators,anemometers, recording (anemographs),sensors and indicators, ground wind velocity,wind direction indicators,cloud direction and speed indicating and recording equipment,cloud rangefinders,nephoscopes,lidar (light detecting and ranging) systems (laser),ceilometers,tide gauges (marigraphs), meteorological,atmospheric ionisation measuring instruments,airborne dust samplers, fall-out samplers,visibility monitoring devices, meteorological,balloons, meteorological,meteorological parachutes,weather stations, portable,weather stations, mobile,weather stations, fixed,weather stations, independent,map plotting/spotting instruments and equipment,barometric transmitting instruments,meteorological data transmission equipment,meteorological data acquisition equipment, computerised,receiving stations and equipment, meteorological data,radio transmission equipment, meteorological,radio telemetry equipment, meteorological,densimeters, gamma ray,combustion efficiency meters,photosedimentometers, electric and electronic,micrometers, electrical and electronic,smoke density indicators, alarms and recorders,warning tape, magnetised, for underground cable and installations detection and location,underground warning tape, cable and pipe locating instruments.