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This section provides an overview for optical measuring machines as well as their applications and principles. Also, please take a look at the list of 21 optical measuring machine manufacturers and their company rankings. Here are the top-ranked optical measuring machine companies as of September, 2026: 1.Industrial Media, LLC., 2.Mitutoyo America Corporation, 3.AMADA AMERICA, INC.
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Categories Related to Optical Measuring Machines
An optical measuring machine is an instrument that mainly uses photodetectors to measure light. They are used to process light waves and other signals to make images more visible and to analyze their characteristics.
Optical measuring machines generally include illuminance meters, luminance meters, radiometers, and integrating spheres. Depending on the instrument, these can be combined to measure optical characteristics such as transmission and reflection with high precision. There are also optical measuring machines capable of three-dimensional measurements.
These optical three-dimensional measuring instruments are non-contact measuring instruments that use images to perform measurements, similar to optical comparators and measuring microscopes.
Optical measuring machines are used for various purposes.
For example, illuminance meters, also called UV illuminance meters or UV intensity meters, are used for sealing electronic components and printing printed circuit boards. Most are used to control the intensity of lamps used in sterilization processes in various industries.
Other uses of optical measuring machines include integrating spheres, of which the typical integrating sphere is the spherical luminous flux meter.
The spherical luminous flux meter is used for comparative measurement of the total luminous flux of lamps. It is a small integrating sphere used for measuring spectral reflectance attached to spectrophotometers. It is also commercialized as a portable measuring instrument and can be carried around.
However, large-size integrating spheres are also available, so care should be taken when considering their introduction.
The uses of integrating spheres are mainly to measure the total luminous flux of light sources, such as fluorescent lamps, incandescent lamps, and backlights of mobile devices.
Since optical measuring machines are classified according to all kinds of equipment and measurement methods, the principles of illuminance meters and integrating spheres described in the article are explained in this topic.
In general, UV illuminance meters are small and portable instruments. They have a simple structure, with a UV-transmitting filter and a visible-absorbing filter in front of the silicon photodiode, which absorbs visible light and other wavelengths, extracting only the UV light.
Interchangeable photodetectors are also available, and by replacing the photodetector, they can be used for various uses of UV light, such as UV curing and UV cleaning.
There are various types of integrating spheres depending on the measurement method and uses of the sphere. The main types of use include beam measurement, total luminous flux measurement, uniform standard light source method, and transmittance/reflectance measurement methods.
A typical integrating sphere collects light, makes it uniform by multiple reflections within a space, and detects a portion of the light. The space's interior is spherical, and the inner walls are made of highly reflective materials such as barium sulfate, thermoplastic resin, or gold plating.
The integrating sphere has a hole at the position where the measurement light is irradiated, and the incident light is reflected inside the sphere.
However, repeated diffuse reflection is necessary for uniformity of light. Therefore, the emitted light mustn't directly hit the detector.
Therefore, a light shielding plate for diffusion, known as a baffle, is installed between the light source and the detector.
*Including some distributors, etc.
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Dongguan HanDing Optical Instrument Co., Ltd. (DHOI) is a Chinese manufacturer of optical measurement products established in 2016 and based in Dongguan City, Guangdong Province. The company produces various measurement devices including thickness gauges, video measuring machines, microscopes, and linear encoders used in medical instruments as well as for sensitive operations, such as the production of printed circuit boards (PCBs). It also offers customization, training, and installation services. DHOI primarily serves client manufacturers of consumer electronics, precision hardware, semiconductors, and lithium batteries.
Mitutoyo America Corporation was founded in Aurora, Illinois in 1963 by Mitutoyo Corporation of Japan as its American sales, marketing, and service subsidiary. The company provides parts service, manufacturing, and turnkey solutions for metrology equipment for aerospace, alternative energy, automotive, semiconductor, and other industries. The company’s product offerings include coordinate measuring machines, sensor systems, test equipment, and vision measuring equipment customized for customer needs. The company’s services include calibration and repair, installation, contract part programming, and training and education for operation as well as calibration.
Zumbach Electronics Corp., founded in 1957, is a manufacturer of on-the-line measuring, monitoring and control systems. The company in Hauptstrasse, Orpund Schweiz, offers maintenance, repair and calibration, training, support & consultation, and spare part delivery. They have 11 international subsidiaries and representatives in 40+ countries. Their products include a Laser surface velocimeter, KW fault detector, MSD led device, Steelmaster, and calibrator. These are used in wire & cable, rubber, steel cold or hot, optical fibre, non-ferrous and plastic industries.
NES Ltd. is a manufacturer of renewable energy appliances and products established in 1994 and headquartered in Shumen, Bulgaria. The company produces appliances that utilize renewable energy sources such as biomass, solar, or geothermal power, which it markets under the brands SunSystem and BurnIt. These appliances include solid fuel boilers, enameled water heaters, and solar evacuated tube collectors. The company also offers technical support and spare parts services. It mainly serves clients in the construction, agricultural, and renewable energy sectors.
Located in Austria and Germany, Ams-Osram is a sensor design and manufacturing company that specializes in compact form factors, low power, high sensitivity, and multi-sensor applications. They were established in 1981 and were formerly known as austriamicrosystems AG. In 2012 it changed its name to ams AG. They have a technology portfolio for sensing, lighting, and visualization, ranging from light emitters and optical components to micro-modules, integrated circuits, and related software. Their work develops technology for use in the consumer, industrial, medical, and automotive sectors.
Future Technology Systems S.A was founded in 1996 and is a manufacturer of advanced CAD/CAM software systems and mechatronic products based in Volos, Greece. The company offers various products such as optical measuring machine, portable arm cmms, handheld 3D scanner, CNC milling machines, and structured light 3D scanner. The company also provides services related to the products such as product design, rapid prototyping, reverse engineering, 3D inspections, and virtual 3D presentations. The company has participated in research projects such as Greek Research Network PENED and BIOMINY.
NIKON CORPORATION was founded in Japan in 1917 and is a global manufacturer of imaging products, optics, precision equipment, and instruments. The company's main product offerings include the Nikon Z series of mirrorless cameras, digital SLR cameras, and COOLPIX. It also offers consumer and professional accessories such as NIKKOR brand optics, Speedlights, system accessories, and software products, along with premium sports and recreational optical products, including full-line binoculars, Fieldscopes, and rangefinders. The company complies with international standards such as ISO 14001:2015 and ISO 45001:2018, catering to industries such as photography and videography, healthcare, manufacturing, and research.
Sipcon, founded in India in 1971, stands as an Indian manufacturer of advanced measuring equipment, including vision measuring systems, profile projectors, coordinate measuring machines (CMMs), and digital microscopes. The company offers a diverse product range that includes tools for measurement and inspection, such as image-based measurement systems, cutting tool measurement ystems, and more and caters to a diverse set of industries, including automotive, cutting tools, medical, pharma packaging, and electrical & electronics, among others. Its cutting-edge measurement solutions find applications in precision quality control, component inspection, and measurement tasks in these industries.
ZEISS Microscopy, established in Jena, Germany, in 1846 is a manufacturer of optics and optoelectronics used in Precision Mechanics, Binoculars, Microscopy, and Eyeglass Lenses. Their product portfolio includes precision optics, such as lenses, mirrors, and prisms, laser mirrors used in laser cutting, and medical devices, optoelectronic devices and Coatings and Thin Films. The company also provides solutions including industrial quality, microscopy research, project simulation, sample testing and product development. The company also offers customer services that include support, custom research projects and customized services.
Hinds Instruments, Inc. is a manufacturer of polarization-based measurement instruments, founded in 1971 and based in Portland, Oregon, United States. The company initiated the commercialization of photoelastic modulators (PEMs) and has since expanded its product line to include various PEM products. These include point and scanning birefringence measurement systems and polarization imaging systems under the Exicor brand. It also offers Mueller polarimeters, PolSNAP waveplate-based Stokes polarimeters and related accessories. The company further manufactures the EKKO series of CD MicroPlate Readers for direct circular dichroism measurement from standard wellplates.
Automated Precision Inc. (API), founded in 1987, is an American manufacturer based in Rockville, Maryland, providing laser-based dimensional metrology solutions. The company develops various products for industrial measurement and calibration. The company's measurement solutions include hemispherical scanners, laser trackers, and coordinate measurement machine (CMM) arms. Machine tool calibration and robotic calibration solutions, utilizing the RADIAN laser trackers, RoboCal software, and motorized active targets for small modular reactors (SMR), are also available. These products find applications across various industries, including automotive, energy, and transportation.
Guangdong Hongtuo Instrument Technology Co., Ltd., established in 2002 and located in Guangdong, China, is a manufacturer, distributor, and trader specializing in physical testing and environmental testing instruments. The company provides a diverse range of products, including universal tensile testing machines, engineering plastics testing equipment, and leather footwear testing machines. Additionally, it offers services such as customer installation training, technical consultation, and business processing. These products are utilized in research laboratories, quality inspection institutions, and in the manufacturing of magnetic materials.
Alicona Imaging GmbH, established in 2001 and headquartered in Graz, Austria, specializes in the manufacturing of optical 3D surface measurement systems and metrology solutions. The company has been part of Bruker since 2019 and now operates under the Bruker Alicona brand and its product catalog includes optical measuring devices, coordinate measuring machines (CMMs), and software for surface metrology. It serves industries like aerospace, automotive, medical technology, and precision engineering. Its products are used for precision quality control, surface roughness analysis, and reverse engineering.
Ranking as of September 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Yokogawa Electric Corporation |
12.0%
|
| 2 | Industrial Media, LLC. |
9.6%
|
| 3 | Mitutoyo America Corporation |
9.0%
|
| 4 | AMADA AMERICA, INC |
7.8%
|
| 5 | Hinds Instruments, Inc. |
6.6%
|
| 6 | Dongguan Handing Optical Instrument Co., Ltd. |
6.6%
|
| 7 | Zumbach Electronics Corp. |
5.4%
|
| 8 | NES Ltd |
4.8%
|
| 9 | Automated Precision Inc |
4.8%
|
| 10 | Vertex Precision Viet Nam Co.,Ltd. |
4.2%
|
Derivation Method
The ranking is calculated based on the click share within the optical measuring machine page as of September 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
3 | 16.7% |
|
Japan
|
3 | 16.7% |
|
Austria
|
2 | 11.1% |
|
China
|
2 | 11.1% |
|
Switzerland
|
1 | 5.6% |
|
Bulgaria
|
1 | 5.6% |
|
Greece
|
1 | 5.6% |
|
India
|
1 | 5.6% |
| Deutschland | 1 | 5.6% |
| Viet Nam | 1 | 5.6% |
|
Czech Republic
|
1 | 5.6% |
|
Italy
|
1 | 5.6% |
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