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This section provides an overview for stereo microscopes as well as their applications and principles. Also, please take a look at the list of 22 stereo microscope manufacturers and their company rankings. Here are the top-ranked stereo microscope companies as of January, 2025: 1.XiangYi Instrument (Xiangtan) Co., Ltd. i, 2.A.KRÜSS, 3.BIOEVOPEAK INC..
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Okayama University Graduate School, Ph.D. (Agriculture). After working as a specially appointed Assistant Professor at Tokyo Medical and Dental University, a fluid researcher at the Okayama Prefectural Institute of Biological Sciences, and a special researcher (JSPS PD) at the Japan Society for the Promotion of Japan Science, he became independent as a freelancer.
Specializes in natural product chemistry, protein engineering, fermentation engineering, and instrumental analysis of chemicals (especially mass spectrometry chemistry).
Thesis: https://pubmed.ncbi.nlm.nih.gov/?term=HIROKAZU+USUKI
linkedin: https://www.linkedin.com/in/%E5%8D%9A%E4%B8%80-%E8%87%BC%E6%9C%A8-b83827228/
A stereo microscope is a type of optical microscope, also called a binocular stereo microscope. An optical microscope is an optical instrument in which the actual image of a microscopic object magnified by an objective lens is further magnified by an eyepiece lens for observation. Stereo microscopes have two light paths, and by using the parallax between the left and right eyes, objects can be observed in three dimensions. In general, the magnification is relatively low, ranging from several times to 40 times, but the long distance between the objective lens and the stage makes it possible to observe relatively large specimens as they are. In addition, dissection, assembly, and other operations can be performed while viewing the magnified image.
There are various types of optical microscopes depending on the principle of and purpose for which they are used. They are generally classified into two types: biological microscopes and stereo microscopes. Biological microscopes are a type of transmission microscope and should be considered the most common type of microscope. This type of microscope observes a sample by making a thin slide of the sample and allowing light to pass through it.
Stereo microscopes, on the other hand, use both transmitted and oblique illumination. Stereo microscopes have two eyepieces that allow simultaneous observation with both eyes, making it possible to observe the specimen in three dimensions. In addition, the long distance between the eyepieces and the stage on which the specimen is placed makes it suitable for tasks such as dissecting a biological specimen while observing it.
The general instructions for using a stereo microscope are as follows.
In the biological field, stereomicroscopes are used for observation and dissection of animals and plants, such as insects and flowers. They are also used as science teaching materials in educational settings. In the medical field, they are used for dissection and cell manipulation. The microscopes used in neurosurgery and ophthalmology during surgery are also stereo microscopes. In the fields of mechanical engineering, precision machinery, and electronics, microscopes are used for assembly and inspection. Stereo microscopes are also used in a wide range of other applications, such as in dental work, handicrafts, soldering, and other precision work, as well as in the observation and study of old coins and jewelry.
There are two types of lenses: "positive lenses" (convex lenses) and "negative lenses" (concave lenses). Positive lenses are used in microscopes.
The center of a positive lens is thicker than its edges, and it refracts light parallel to a line (optical axis) perpendicular to the lens through the center of the lens surface and collects it at a point on the optical axis. This point is called the "focal point."
A positive lens has one focal point at the front and one at the rear of the lens (front focal point and rear focal point), and the distance between the focal point and the center of the lens is called the "focal length". The focal lengths of the front and rear foci are equal. The real image formed by the lens when an object is farther from the front focal point of the positive lens is called the "real image" and the image formed when the object is closer to the front focal point is called the "false image." The real image is an inverted image with the vertical and horizontal sides reversed, while the imaginary image is an upright image.
A typical biological microscope is a device that combines two positive lenses to magnify an object. This device observes the real image formed by the objective lens (lens close to the object) and the imaginary image further magnified by the eyepiece lens (lens close to the eye), so the observed image is inverted.
Stereo microscopes, on the other hand, have an upright prism built into the body, so the observed image is upright. This allows the sample to be observed as it is and enables precise work under the microscope.
Stereo microscopes are available in a variety of models with different specifications, which should be selected according to the use of the microscope. The following differences, for example, are important points to consider when selecting a microscope.
Stereo microscopes are broadly classified into two types: Galilean parallel optics and Grineau optics. Microscopes with Galilean parallel optics consist of a single objective lens with a parallel optical axis from the eyepiece to the objective lens. Since the optical axis is designed to be parallel, it is possible to add various functions by inserting another unit in the middle.
In addition, since they converge light on a single objective lens, observation at high magnification is possible. Accuracy is easily maintained even when the zoom is increased, and there is a high degree of freedom in the combination of objective lenses. On the other hand, microscopes with Grineau-type optics are designed so that the optical path and optical axis from the eyepiece to the objective lens are all independent of left and right at a certain angle. This is a feature that makes it easy to obtain a three-dimensional image and to design a compact microscope body. However, since there is no parallel part of the optical path, it is not suitable for adding another function to the middle part of the optical path or for setting a large zoom range, as is the case with Galilean lenses.
In stereo microscopes, the choice of illumination is also important for optimum observation of the specimen. Illumination should be selected to match the microscope used and the purpose of the observation. Types of illumination include ring light for bright and uniform illumination, near vertical illumination for fewer shadows, and coaxial illumination for observation of flat specimens with high light reflectance. Halogen lamps and LEDs are generally used as light sources.
There are three types of microscope magnifications: objective magnification, total magnification, and monitor magnification. Objective magnification refers to the magnification of the objective lens alone. Total magnification is the product of the magnification of the objective lens and the magnification of the eyepiece. In a microscope, the image obtained by the objective lens is magnified by the eyepiece, so even if the image has the same overall magnification, the higher magnification of the objective lens has a higher resolution and enables the determination of finer points. Monitor magnification refers to the magnification of an image when it is displayed on a monitor display and indicates how many times larger the image appears when projected on a monitor. The same magnification number can be viewed differently depending on what the magnification represents.
*Including some distributors, etc.
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Nikon Instruments Inc. is a company established in 1917 and based in Melville, New York, as a manufacturer of metallurgical equipment. It specializes in manufacturing super-resolution, inverted, upright, digital, and polarizing microscopes. It also manufactures microscope components, such as micromanipulators, condensers, fluorescent filter cubes, immersion oil, and camera adaptors. The company is part of the Nikon Corporation and has obtained several ISO certifications, including ISO 9001 and ISO 14001. Its manufactured products are utilized for clinical, educational, research, and biotech sectors across the USA.
New York Microscope Company Inc. is based in Hicksville, New York, and is a full-service microscope company. The company serves government, medical, and industrial institutions including the USDA, NASA, Honeywell, and New York University. The company offers 3 varieties of microscopes: compound, stereo, and digital from brands such as Carson, Hitachi, Nikon, Pelican, and others. The company also offers services for repairing, reconditioning, and restoring microscopes. The company can perform calibration tests and fix alignment issues with microscopes.
Penco Precision is a supplier of optical and mechanical inspection equipment established in 1958 in Libertyville, Illinois. The company offers various inspection and optical measurement equipment, including laser micrometers, task light magnifiers, video systems, and force gauges. It also offers gages, lighting products, and torque tools from brands such as Unitron, Mitutoyo, Waldmann, and Starrett. Penco Precision also provides product calibration and repair services to clients in the metal fabrication, medical device manufacturing, automotive, and aerospace industries.
NCI Clean, now part of North Central Instruments, began in 1995 as Innotech Products as a distributor for laboratory and cleanroom equipment. NCI Clean offers modular cleanrooms and products intended for use in cleanrooms such as flooring, paint, filters, curtains, and instrumentation. Other cleanroom equipment include air showers, surge isolation pods, desiccators, cleanbenches, fume hoods, spray guns, glove boxes, anti-fatigue mats, and shoe cleaners. Other equipment includes gowning room furniture and components, cleanroom apparel, microscopes, and supplies such as alcohols, swabs, and wipes.
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.
XiangYi Instrument (Xiangtan) Co. Ltd. was established in 2005, as a manufacturer of laboratory equipment in China. The products are categorized into different types, such as Petroleum/Oil Tester which consists of equipment like Viscometers, density, distillation, ash, and pH testers. Similarly, there is a category of Thermal Analyzers, Refrigerating and Cryogenics, Automatic Fusion machines, and incubators, along with Analyzers for water quality, particle size, surface area, and more, and various laboratory instruments and equipment that are used in schools, research units, factories, and pharmaceutical laboratories.
Leica Microsystems is a developer and manufacturer of microscopes and scientific instruments for the analysis of microstructures and nanostructures. The company is a provider in compound and stereo microscopy, digital microscopy, confocal user scanning, and super-resolution microscopy with related imaging systems, electron microscopy, sample preparation, and surgical microscopy used in medical, life science, and industrial applications. The company’s services include service plans, preventative maintenance, remote care, and qualification services for ensuring compliance of Leica equipment to governmental regulations.
Chongqing MIC Technology Co. Ltd is located in Chongqing, China, and is a manufacturer of microscopes and optical instruments. The company was originally founded in 1958 before merging with Chongqing Optical Electrical Instrument Factory in 2011. The company offers its MIC-A10 series digital biological microscopes for biological analysis applications, and its MIC-NE series standard microscopes for laboratory or educational use. It also offers specialized models, such as its MIC-Y50 series fluorescent microscopes, used in fluorescence microscopy operations for biological research or medical diagnosis. The company’s products are mainly used by clients in the healthcare, education, and medical R&D sectors.
BIOEVOPEAK INC. functions as the representative office of Bioevopeak Co., Ltd., a Chinese manufacturer based in Jinan, Shandong, specializing in laboratory instruments and equipment. Since its inception in 2010, the company has operated across 18 manufacturing facilities. Operating under the brands of Bioevopeak, Infitek, and Sunoom, the company offers a range of products, including microscopes, digital pathology slide scanners, autoclaves, sterilizers, incubators, and centrifuges. BIOEVOPEAK INC. has also made investments in processing equipment and Computer Numerical Control (CNC) machines sourced from Japanese companies, DMG MORI SEIKI CO., LTD. and AMADA CO., LTD. The company holds ISO 9001 and ISO 13485 certifications.
Vision Engineering Ltd, founded in 1958, is a British manufacturer based in Woking, Surrey, specializing in stereo inspection microscopes and non-contact measuring systems. The company's product range encompasses various microscopes, including digital, stereo, and eyepiece-less stereo models. It also offers 3D digital inspection devices integrated with deep reality viewer (DRV) technology, enabling immersive 3D imaging experiences. Additionally, the company provides non-contact measuring systems, spanning from toolmakers' measuring microscopes to fully-automated computerized numerical control (CNC) video measuring systems. Coordinate measuring machines (CMMs) and bench magnifiers are also available. These products find applications in various industries, such as biomedical, electronics, and medical devices.
A.KRÜSS, since 1796, has been a manufacturer of high-precision analysis and laboratory instruments. The instruments are refractometers, polarimeters, density meters, flame photometers, and melting point meters. More products are circulating thermostats, gas analyzers, microscopes, spectroscopes, and spectral measuring instruments. The company in Germany is ISO 9001:2015 and 14001:2015 certified and provides services such as application consulting, product demonstration, calibration & adjustments, maintenance & repair, and installation with warranty extensions. The company has a pages campus with facts about density measurement, radioactivity, measuring methods, and optical devices.
Meiji Techno Co., Ltd. (MTC) is a Japanese manufacturer and distributor of optical microscopes originally established in 1964 as Azuma Optics Company before rebranding in 1975. Based in Saitama, the company produces various microscopes for applications in education and life sciences, including inverted, compound, stereo, and polarizing models. These are utilized by clients in laboratory operations and quality control, analysis, and testing within the industrial sector. MTC has manufacturing facilities in Japan and China, with distribution operations in Shanghai, California, and New Jersey. Its North American subsidiary Meiji Techno America was incorporated in 1986, and is located in San Jose.
BestScope, established in 1998 and based in Beijing, China, is a manufacturer and supplier of microscopes and cameras for the industrial sector. The company primarily produces its Catchbest brand industrial cameras for industrial imaging and process inspection applications. It also offers biological microscopes for medical as well as biological R&D, and LCD digital microscopes equipped with digital displays for use in educational institutions. The company chiefly serves clients in the industrial, educational, and laboratory research sectors.
Carton Optical Industries Ltd., founded in 1930, is a Japanese manufacturer of optical goods based in Sagamihara, Kanagawa. Certified with ISO 9001 and ISO 14001, the company offers a range of magnification and visual inspection tools, including stereo microscopes featuring dual eyepieces for three-dimensional object observations. It also produces loupes, which are handheld magnifiers for examining jewelry, textiles, and timepieces. Complementing these products are accessories, such as eyepieces for different magnification needs, stereo microscope lenses, and cameras with compatible adapters, utilized in both educational and industrial sectors.
Evident Corporation is a scientific research and development company in Shinjuku, Tokyo that was established in 2008. Formerly known as Olympus Scientific Solutions, the company specializes in developing cutting-edge technology and products for various industries, including aerospace, automotive, electronics, energy, and medical research. Evident Corporation has proliferated and expanded its product offerings and services to meet the needs of its customers. Their product offerings include non-destructive testing (NDT) solutions such as thickness gauges and automated inspection systems, XRF analyzers like handheld XRF analyzers, industrial microscopes, and video scopes and borescopes.
BIOBASE, established in 1999, is a high-tech manufacturing enterprise whose business covers biomedical, e-commerce, intelligent manufacturing, scientific equipment In Vitro Diagnosis (IVD) instrument and reagent based in China. Specialized in research, development, and manufacturing of laboratory and medical equipment, catering to life sciences, healthcare, and environmental protection industries. Their product range includes biological safety cabinets, incubators, centrifuges, and more. The company has branch offices in 24 provinces in China, with overseas establishment in USA, Dubai, India, Algeria, Singapore, and business partners in 130 countries.
Ranking as of January 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | XiangYi Instrument (Xiangtan) Co., Ltd. i |
12.7%
|
| 2 | A.KRÜSS |
8.5%
|
| 3 | Penco Precision |
7.6%
|
| 4 | BIOEVOPEAK INC. |
6.8%
|
| 5 | BestScope |
5.9%
|
| 6 | Chongqing MIC Technology Co., Ltd |
5.9%
|
| 7 | Evident |
5.9%
|
| 8 | Carton Kogaku |
5.9%
|
| 9 | Nikon Instruments Inc. |
5.1%
|
| 10 | New York Microscope Company, Inc. |
5.1%
|
Derivation Method
The ranking is calculated based on the click share within the stereo microscope page as of January 2025. 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 (%) |
|---|---|---|
|
China
|
7 | 38.9% |
|
United States of America
|
5 | 27.8% |
|
Japan
|
3 | 16.7% |
| Deutschland | 1 | 5.6% |
|
Germany
|
1 | 5.6% |
|
United Kingdom
|
1 | 5.6% |
144 products found
144 products
Carton Kogaku
370+ people viewing
Last viewed: 6 hours ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Carton Kogaku
360+ people viewing
Last viewed: 1 day ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Carton Kogaku
350+ people viewing
Last viewed: 10 hours ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Reimer Co., Ltd.
100+ people viewing
Last viewed: 23 hours ago
■Product overview An inverted fluorescent microscope with an LED light source that is very easy to use. Equipped with a high-quality Chroma fluores...
Carton Kogaku
380+ people viewing
Last viewed: 7 hours ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Reimer Co., Ltd.
90+ people viewing
Last viewed: 14 hours ago
■Product overview An inverted fluorescent microscope with an LED light source that is very easy to use. Equipped with a high-quality Chroma fluores...
30+ people viewing
Last viewed: 14 hours ago
■Summary The SZX10 is a highly versatile, high-quality system stereo microscope that reproduces natural colors and shapes. In addition to a wide zo...
Carton Kogaku
330+ people viewing
Last viewed: 2 hours ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Arms System Co., Ltd.
80+ people viewing
Last viewed: 6 minutes ago
A variable magnification stereo microscope with a working distance of 100mm and excellent workability. Three types of total magnification are avail...
Carton Kogaku
450+ people viewing
Last viewed: 7 hours ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Arms System Co., Ltd.
70+ people viewing
Last viewed: 13 minutes ago
With a zoom ratio of 8.1 and a field of view of 24, it is the highest-end model in Arms System's Greenough optical stereo microscope lineup. In add...
20+ people viewing
Last viewed: 10 hours ago
■Summary This is a stereo microscope that pursues cost performance and can be easily used at production sites. ■Features ・Achieves high optical p...
Carton Kogaku
440+ people viewing
Last viewed: 1 day ago
Standard Response
feature ･ It is the optimal microscope for inspection and simple measurement by fixing the magnification. ･ A microscope stand is available accordi...
5 models listed
Arms System Co., Ltd.
70+ people viewing
Last viewed: 6 minutes ago
With a zoom ratio of 8.1 and a field of view of 24, this binocular type is the top-of-the-line model in Arms System's Greenough optical stereo micr...
20+ people viewing
Last viewed: 1 hour ago
■Summary This is a stereo microscope that pursues cost performance and can be easily used at production sites. ■Features ・Achieves high optical p...
Arms System Co., Ltd.
70+ people viewing
Last viewed: 11 minutes ago
This is a high-end model of the Greenough optical stereo microscope with a zoom ratio of 6.9 and a field of view of 23. A new high-performance seri...
20+ people viewing
■Summary It combines outstanding optical performance with high magnification, high zoom ratio, and excellent chromatic aberration correction, as we...
30+ people viewing
Last viewed: 1 day ago
■Sliding phase difference plate type - Observation of blood tests (red blood cells, white blood cells, somatids, etc.) ・Observation of dental and ...
Wyckoff Science Co., Ltd.
50+ people viewing
Last viewed: 8 hours ago
■Summary The eyepiece-less 3D stereo microscope provides operator comfort and superior 3D imaging. Mantis Mantis 3D viewing system. An ergonomic mi...
Arms System Co., Ltd.
80+ people viewing
Last viewed: 4 hours ago
This is a binocular zoom type model with a zoom ratio of 6.9 and a field of view of 23, which is a higher-end model of the Greenough optical stereo...
20+ people viewing
Last viewed: 1 hour ago
■Summary It combines outstanding optical performance with high magnification, high zoom ratio, and excellent chromatic aberration correction, as we...
Arms System Co., Ltd.
80+ people viewing
Last viewed: 22 hours ago
A new series of stereo microscopes with a zoom ratio of 6.4 and a field of view of 22, pursuing both high quality optical performance and cost perf...
Yagyu Shokai Co., Ltd.
40+ people viewing
Last viewed: 5 hours ago
Very Fast Response
■Features Images can be imported to a computer via USB output. ■Specifications ・Eyepiece: WF10× (Number of fields of view 18) ・Objective lens: 4...
Yagyu Shokai Co., Ltd.
40+ people viewing
Last viewed: 16 hours ago
Very Fast Response
■Features Ergonomic design for easy operation. ・It is an infinity type. ■Specifications ・Eyepiece: 10× (WF10×) ×2, number of fields of view/20mm...
Yagyu Shokai Co., Ltd.
60+ people viewing
Last viewed: 14 hours ago
Very Fast Response
■Features Suitable for geology, petrology, mineralogy, toxicology, pharmacy and forensics. ■Specifications ・Eyepiece: WF10× (18mm) with reticle ...
Yagyu Shokai Co., Ltd.
70+ people viewing
Last viewed: 6 hours ago
Very Fast Response
■Features ・Most techniques required for research in geology, petrology, and mineralogy can be performed more precisely and more easily. ■ Specifi...
30+ people viewing
Last viewed: 1 day ago
■Sliding phase difference plate type - Observation of blood tests (red blood cells, white blood cells, somatids, etc.) ・Observation of dental and ...
Yagyu Shokai Co., Ltd.
80+ people viewing
Last viewed: 4 hours ago
Very Fast Response
■Features ・Uses light diffraction and interference to visualize colorless and transparent specimens by contrasting light and dark. - Suitable for ...
Wyckoff Science Co., Ltd.
80+ people viewing
Last viewed: 1 day ago
■Summary The patented ergonomic stereo microscope reduces eye strain even when used for long periods of time, allowing you to work more comfortably...
Yagyu Shokai Co., Ltd.
70+ people viewing
Last viewed: 15 hours ago
Very Fast Response
■Features -By utilizing the difference in the refractive index of light between the specimen and the background, the contrast between light and dar...
