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Nikon history: From optical glass to digital imaging

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Nikon renamed its international photography competition the Nikon Film and Photo Contest for its 40th edition in 2024. The company linked the change to the diversification of media and the growing opportunities for individuals to share video, extending a competition that had previously operated under two photography-focused names.

The event forms one part of a business whose technical development extends beyond cameras. Nikon’s history includes optical glass, microscopes, astronomical instruments, equipment for semiconductor manufacturing and measurement systems used to inspect industrial components.

Several of those activities drew on related work in lens design, materials and precision mechanisms. High-resolution photographic lenses preceded industrial optics, while semiconductor exposure technology later supported equipment for manufacturing flat-panel displays. The transition to digital cameras added electronic imaging to a photographic business that had begun with lenses and film cameras.

The move into digital photography

Nikon began investigating electronic imaging around the middle of 1979. Some of the resulting equipment addressed the transmission of photographs for news organizations before the company introduced its later digital camera systems.

In 1984, Nikon released the NT-1000, a black-and-white photographic transmitter developed with Kyodo News Agency. The equipment read photographic negatives and positives directly, replacing a workflow in which enlarged prints were scanned for transmission over telephone lines.

The transmitter allowed operators to select a portion of an image while checking it on a monitor. It could also transmit handwritten text alongside the photograph. Those functions addressed the practical requirements of sending pictures and their accompanying information from a reporting assignment.

The distinction was in how the photographic material entered the transmission system. Instead of first producing an enlarged print, an operator could work from the film itself. Nikon identifies this equipment as part of the electronic imaging work that preceded its digital cameras.

In 1988, the company introduced another system for electronic news photography. It combined the QV-1000C black-and-white still video camera, interchangeable QV-Nikkor lenses and the QV-1010T electronic transmitter. The camera and transmission equipment were developed as parts of a photographic workflow rather than as isolated devices.

A separate digital camera development project began in 1996 under the direct authority of Nikon’s president. The company says the initial team consisted of about 10 people drawn from design and other divisions, with an assignment to develop a product within two years.

Nikon describes a disagreement over that schedule. Team leaders sought three years because the company had limited accumulated digital technology, but management maintained the shorter deadline. The account places the project within an effort to accelerate Nikon’s development of digital imaging products.

The COOLPIX 900 compact digital camera followed in 1998. Nikon then released the professional D1 digital single-lens reflex camera in September 1999, with a stated price of JPY 650,000.

Nikon characterized the D1’s price at the time as roughly one-third that of competing products. That comparison was the company’s assessment of the market surrounding the 1999 release; it was not a statement about later camera prices. Nikon also identified image quality, operation and functionality as central elements of the product.

The D1 brought digital capture into Nikon’s professional SLR line. Its release followed both the company’s work on electronic photographic transmission and its longer development of interchangeable-lens camera systems.

The formation of an optical instruments company

Nikon dates its founding to July 25, 1917, when Nippon Kogaku K.K., also known as Japan Optical Industries Co., Ltd., was established in Tokyo. The company gives its original address as 120 Haramachi in Koishikawa-ku, an area subsequently identified as Hakusan 4-chome in Bunkyo-ku.

Nikon says the business combined the optical instruments division of Tokyo Keiki, the mirror division of Iwaki Glass and Fujii Lens Manufacturing. Its early production included optical instruments such as rangefinders and microscopes.

The company describes the formation as an effort to establish domestic optical manufacturing. That involved more than assembling finished instruments: the subsequent development program included glass production, lens calculation, mechanical precision and the manufacture of components used within optical systems.

Nikon says it invited eight engineers from Germany in 1921 to support its technical development. Among those it identifies are Max Lange, a lens-design specialist; Heinrich Acht, who had experience in microscope design; Ernst Bernick, who worked in precision instruments; and Hermann Dillmann, whose expertise included lens design and calculation.

Their work covered several areas of the business. Acht contributed to microscope objective lenses and was also responsible for designs in the Anytar photographic lens series. Nikon credits the engineers with helping improve its technical capabilities during this period.

The company also dates the MIKRON compact prism binoculars to 1921, describing them as one of its early internally developed binocular models. Nikon records subsequent reproductions in 1948 and 1997. Those dates document the model’s recurrence in its product history without establishing its later sales or popularity.

Microscopes were part of the company’s plans from the beginning. Nikon says they appeared among the production items in its articles of incorporation, and their development continued alongside binoculars and photographic optics.

Building optical glass production

Nikon says it began researching optical glass in 1918 but suspended the work after encountering technical problems it could not resolve. Research resumed in 1922 as the company sought a domestic supply of glass for its optical instruments.

The company dates the construction of glass research facilities at its Oi Dai-ni plant to March 1923. The facilities included a melting wing and equipment for both experimental and larger-scale work: a 500 kg melting furnace, four cooling kilns, and test furnaces with capacities of 20 kg and 7 kg.

Nikon says trial melting began around May 1923, followed in June by a firing using a 350 kg crucible. These were stages in the development of its production process, rather than evidence that every technical problem had already been solved.

The Great Kanto Earthquake damaged the research facilities in September 1923. Nikon records that recovery work was completed by February 1924, allowing glass research to resume.

By March 1927, the company says it had carried out 70 major melts and 220 trial melts. It describes the purpose of this work as improving glass quality and establishing methods suitable for mass production.

The research extended to the materials used in both the glass and the equipment that contained it. An analysis laboratory at Oi Dai-ni examined glass materials and crucible clays and worked on the specifications needed for production.

Nikon also investigated precision annealing, a stage of glass processing concerned with controlling internal distortion. Its account describes a furnace installed in a hallway for measuring changes in test glass as the process was developed.

One early task involved annealing a 20 cm-diameter objective lens for a large binocular telescope. Nikon reports that it successfully annealed glass for rangefinder pentaprisms in 1927.

The company credits this combination of material analysis, repeated melting trials and annealing research with improving the quality of its optical glass. Its broader claim that the resulting material matched glass manufactured outside Japan remains a company assessment.

The sequence illustrates the range of work behind an optical instrument in Nikon’s early manufacturing program. Lens design depended on the available glass, while the production process had to address the material’s composition and its condition after melting and cooling.

Anytar lenses and the NIKKOR name

Nikon’s early photographic lens development included the Anytar series, which followed the design approach of the Tessar lens. The company identifies Heinrich Acht as the principal designer associated with the series during his time in Japan.

Japanese designers continued the work after Acht returned to Germany. Nikon dates the completion of an Anytar 12 cm F4.5 prototype to 1929 and says further modifications had been made by 1931.

The company records seven Anytar focal lengths: 7.5 cm, 10.5 cm, 10.7 cm, 12 cm, 15 cm, 18 cm and 36 cm. The range formed part of its early effort to develop photographic lenses domestically.

Nikon describes a development process that included visits to Europe, examination of photographic equipment and the acquisition of sample lenses. Designers then used measurement, disassembly and reassembly to study the optical systems available to them.

Lens calculation and prototype testing were separate parts of that process. Nikon notes that a design could require extensive calculations and still fail to produce the expected photographic result when built. The range of glass types available to its designers was also more limited than in later periods.

The NIKKOR name emerged as the company prepared to manufacture photographic lenses under a distinct brand. Nikon says it combined NIKKO, an abbreviation derived from Nippon Kogaku, with the letter R, a suffix used in photographic lens names at the time.

The NIKKOR trademark was registered in 1932. Deliveries of Aero-NIKKOR lenses for aerial mapping photography began in 1933, including 70 cm F5 and 18 cm F4.5 models.

The initial application matters to the chronology: NIKKOR’s commercial history began with lenses intended for aerial work, before the introduction of the first camera carrying the Nikon name. Photographic lenses were therefore an established part of the business before Nikon became a camera brand.

Microscopes and astronomical instruments

Nikon’s microscope development proceeded alongside its photographic lens work. Acht contributed to the design of microscope objectives and to changes in the optical systems used by the company.

The JOICO microscope was released in 1925. Nikon lists its magnification as 765× and describes the instrument as a result of its early work to improve microscope lens precision.

The company’s involvement in larger optical instruments included a 20 cm equatorial refracting telescope installed in 1931. It was placed in the rooftop observatory dome of the newly completed Ueno wing of the Tokyo Science Museum.

Nikon describes the telescope as Japan’s first domestically produced full-fledged model of its kind. The instrument underwent substantial modification in 1954 and remained in service until 2005, giving it a working history of more than 70 years.

Scientific optics remained a separate area of development in later decades. Nikon developed its CF optical system in 1976 and subsequently adopted it in biological microscopes intended for medical and dental training.

The company described CF optics as reducing axial and magnification chromatic aberration. Those characteristics concerned the handling of color-related imaging errors within the microscope’s optical system.

The training instruments could also use accessories associated with more advanced microscopy. Nikon identified support for phase-contrast, epifluorescence and simple polarization equipment, allowing the microscopes to accommodate different observation methods.

These products served applications distinct from ordinary photography. Their inclusion in Nikon’s development history reflects the company’s continued work on optical instruments for observation and measurement as its camera business expanded.

The first Nikon cameras

The Nikon name was initially chosen for a compact camera developed after the war. The company says an earlier candidate, Nikorette, was considered before the shorter Nikon name was adopted.

Blueprints for the first camera were completed in September 1946. The Nikon Model I went on sale in March 1948, less than two years later.

Nikon identifies small radial ball bearings in the shutter-release mechanism among the camera’s original design features. It also describes the release as the beginning of a period of practical revisions, with designers responding to customer complaints after the product reached the market.

Those changes led to the Nikon M in 1949 and the Nikon S in 1950. Further development produced the S2 and SP before the company’s expansion into the Nikon F single-lens reflex system.

Nikon associates the growth of its international photographic reputation with the use of its equipment by professional photographers, including LIFE photographers covering the Korean War. Its account emphasizes their experience with the cameras and NIKKOR lenses in difficult working conditions.

Claims that this recognition transformed the reputation of all Japanese manufacturing go beyond the performance of an individual camera or lens. The more specific development was that Nikon’s photographic equipment gained attention among professional users outside Japan.

The company also established the Nikkor Club as an association for users of NIKKOR lenses. The organization provided a forum for photographic exchange as interest in the equipment extended beyond professional photographers.

The SP incorporated a universal viewfinder supporting six interchangeable-lens focal lengths: 2.8 cm, 3.5 cm, 5 cm, 8.5 cm, 10.5 cm and 13.5 cm. Its design allowed photographers to use those lenses within a camera system that also offered additional accessories.

Nikon describes several measures intended to limit operating noise and shock, including the curtain-shutter mechanism, a rear-curtain accelerator and a braking arrangement. The system supported a motor drive rated at three frames per second and illumination for the viewfinder frame in dark conditions.

A flash synchronization connection in the accessory shoe allowed a direct connection without a separate cord. The camera also incorporated a self-timer, which Nikon identifies as its first built-in implementation of that feature.

The Nikon F and F2 camera systems

The Nikon F extended the company’s camera development into a single-lens reflex design. Nikon says the project retained elements of the SP while requiring new major components, including the mirror box, pentaprism and lens-mount mechanism.

The mirror and aperture mechanisms presented particular challenges. They needed to return to their viewing positions immediately after an exposure, with the aperture reopening and the mirror restoring the view through the lens.

The F mount used a stainless-steel bayonet to support the mechanical demands of interchangeable lenses, including telephoto models. Nikon specified an internal diameter of 44 mm, compared with 34 mm for the Nikon S mount, to accommodate larger-aperture lens designs.

The mount became a continuing element of Nikon’s SLR system and was subsequently used on digital SLR cameras. That continuity connected later digital products with an interface developed during the film-camera era, although it does not by itself establish complete compatibility between every body, lens and function.

The Nikon F’s viewfinder provided 100% coverage of the image area. Its shutter curtain used titanium measuring 0.02 mm thick, and the camera incorporated exposure-meter coupling that took both shutter speed and aperture into account.

Nikon’s description of the design emphasizes the relationship between the viewfinder image and the photograph recorded on film. The camera’s mirror and prism arrangement allowed the photographer to compose through the taking lens, while the full-coverage finder showed the complete image area.

The F2 continued the professional SLR line with changes intended to improve operation and extend its capabilities. Nikon sought to retain compatibility with F-system interchangeable lenses and accessories while revising the camera body and controls.

Its features included a shutter speed of 1/2000 second and a mechanism using the self-timer to provide slow exposures of two to 10 seconds. Other changes included a larger mirror, a hinged rear cover and a revised shutter-button position.

These were developments within an established camera system. The F2’s relationship to the F was defined both by its updated mechanisms and by Nikon’s effort to maintain the usefulness of existing lenses and accessories.

Electronic control and the Nikon F3

The Nikon F3 adopted electronic shutter control and aperture-priority automatic exposure. Those features added electronic operation to Nikon’s flagship SLR line without supporting a broader claim that the F3 was the first camera of any kind to offer them.

The camera included an LCD display in the viewfinder and a through-the-lens sensor positioned at the bottom of the mirror box. It also supported through-the-lens flash control with Nikon Speedlight equipment.

A motor drive was optional rather than built into the camera. Nikon rated shooting with the optional drive at up to six frames per second.

Italian designer Giorgetto Giugiaro designed both the camera and the motor drive. Nikon says the two were intended to appear as a single unit when attached, making the accessory part of the overall physical design rather than simply an additional box beneath the camera.

The F3 introduced a raised grip and a red line on the body. Nikon identifies those elements as influences on the appearance of its later cameras.

The development combined changes in exposure control, viewfinder information and external design. It also provided the basis for specialized equipment commissioned for spaceflight and polar use.

Modified cameras for NASA

Nikon says it agreed to a NASA contract in January 1971 to provide cameras for Apollo 15 that year and Apollo 17 the following year. The development used the 1968 Nikon Photomic FT N as its starting point.

The company describes requirements covering materials, lubricants and resistance to shock. NASA also specified a matte-black exterior to reduce problems associated with reflected sunlight.

The cameras were fitted with 55 mm F1.2 lenses, also finished in matte black. Nikon says it completed the required changes and supplied nine cameras by June 1971, ahead of Apollo 15’s launch the following month.

These were modified photographic systems built to an agency’s specifications. Their inclusion in the mission program does not establish that the cameras were operated on the lunar surface, and the camera’s destination should not be confused with the location of every photograph taken during a mission.

Nikon says a NASA-specification Photomic FT N system was subsequently adopted for Skylab. The company identifies photography of Earth’s ozone layer and auroras among the intended applications.

A later NASA request involved cameras based on the F3, which was still under development during the project. Nikon says the agency wanted automatic exposure, capacity for 250 photographs and the ability to change film during shooting, with completion within a year and a half.

In May 1980, Nikon delivered two versions: the 250-exposure F3 Big Camera and the 72-exposure F3 Small Camera. The smaller model was carried aboard Space Shuttle Columbia the following year.

The Apollo and shuttle projects involved different base cameras and requirements. In the earlier program, Nikon emphasized materials, lubrication, external finish and shock resistance. The F3 project added requirements concerning exposure automation and film capacity.

Cameras adapted for polar expeditions

Nikon also developed modified cameras for Japanese adventurer Naomi Uemura. His expeditions included climbing Everest, reaching the highest peaks on five continents and traveling in polar regions by dog sled.

In June 1977, Uemura asked Nikon for a camera to take on a solo dog-sled journey to the North Pole. The company says the equipment needed to withstand both heavy impacts and very low temperatures.

Nikon used a cold-resistant lubricant in the drive system and adjusted the shutter for operation at temperatures around −50°C. Titanium was used for the top, bottom, pentaprism and front covers.

The company describes an impact test in which a prototype was placed in Uemura’s dog-sled trunk and the trunk was rolled down stairs at its Oi plant. That account describes a specific development test; it does not establish a general impact rating for other Nikon cameras.

Three examples of the Nikon F2 Titanium Uemura Special were completed in December 1977. Nikon says Uemura took two of the cameras on his travels in 1978 and exposed 180 rolls of film over six months.

The company later produced a Nikon F3 Titanium Uemura Special in 1982. It was intended for a planned 3,000 km Antarctic dog-sled expedition and an ascent of Vinson Massif.

Nikon says that expedition was canceled because of the Falklands War and that the cameras were consequently not used for the planned journey. The distinction separates equipment developed for an expedition from equipment actually used on it.

High-resolution lenses for documents and electronics

Nikon’s work on high-resolution photographic lenses also served document storage and industrial manufacturing. The company links the development of its Micro-NIKKOR lens to problems encountered when reproducing Japanese writing on microfilm.

The microfilm systems deployed in postwar Japan had difficulty resolving the numerous fine strokes in Japanese characters. Nikon developed a high-resolution Micro-NIKKOR lens in 1956 to address that requirement.

The company says the lens prompted inquiries from printing businesses and electronics manufacturers. Among the industrial requirements was the reproduction of fine patterns used in making printed circuit boards.

Nikon developed the Ultra Micro-NIKKOR in August 1962. It says a further lens developed two years later could resolve approximately 1,260 pairs of black and white lines per millimeter.

The company describes a demonstration in which a 330-page English novel was reduced onto a microfilm area measuring 12.6 × 13.2 mm. That example illustrated the fine detail Nikon said the optical system could record at a small scale.

The application differed from ordinary camera photography. Document reproduction and circuit-pattern work required lenses capable of preserving closely spaced detail, making resolution a central design requirement.

Nikon’s account connects those requirements with its broader industrial optical development. It does not establish that a single lens design served every subsequent manufacturing application, but it documents the use of photographic optical expertise beyond cameras intended for general picture-taking.

ED glass and the control of chromatic aberration

Nikon’s work on optical materials continued long after its early glassmaking research. One later development was PC102 ED glass, which the company dates to December 1971.

The material was intended to address chromatic aberration, in which different wavelengths of light do not come to the same focus. Nikon describes the remaining difference between wavelengths as a particular concern in telephoto lens design.

Correcting the focal positions of two wavelengths does not necessarily bring all other wavelengths into the same focus. Low-dispersion glass provided a way to reduce the resulting color-related error.

Nikon says it developed a continuous melting process that supported the production of larger pieces of PC102 glass and its manufacture at scale. The process was therefore part of the material’s practical use, alongside its optical properties.

In January 1972, Nikon released the NIKKOR-H 300 mm F2.8 for press photography. The lens was used at the Sapporo Olympics, but Nikon says PC102 glass was not ready for its initial production.

The material was subsequently adopted in 300 mm and longer telephoto lenses and in zoom lenses for the F mount. Preserving that sequence avoids attributing the later glass to every example of the lens from its introduction.

Nikon also identifies applications for ED glass in binoculars and Fieldscopes. A related glass was used in projection lenses for semiconductor lithography, connecting optical-material development with both observation equipment and industrial systems.

Diffraction gratings and precision manufacturing

Another branch of Nikon’s optical work involved diffraction gratings, components used to separate light into a spectrum. Their fine structures create interference in diffracted light, allowing them to function within spectroscopic instruments.

Nikon completed Ruling Engine No. 1 in 1964 as part of a Ministry of Education project. The company says the device had accuracy and stability problems that prevented practical use.

As Nikon considered developing spectroscopic analysis equipment, it needed a reliable way to produce the gratings used inside those instruments. It began work on a second ruling engine in 1967.

The company outsourced some basic components because of budget and schedule constraints. Its own development included the control system for the glass-substrate stage and a laser interferometer used in the precision system.

Nikon also worked on diamond-cutter polishing and on methods for producing replicas of diffraction gratings. The latter work supported manufacture beyond an individual ruled component.

Ruling Engine No. 2 was completed in 1971. Nikon then began mass-producing two-inch-square diffraction gratings for its G-250 monochromator, a spectrum-analysis instrument.

The project required both accurate original structures and a means of reproducing them. Nikon’s account distinguishes the unsuccessful first machine from the later system used to make components for an instrument.

Semiconductor lithography and display manufacturing

Nikon’s semiconductor equipment development brought together projection optics, positioning mechanisms and light-detection technology. In 1976, the VLSI Technology Research Association asked the company to develop a stepper capable of reducing circuit patterns to one-tenth of their original size.

The project operated within a research program promoted under Japan’s Ministry of International Trade and Industry. Nikon identifies three central technical requirements: a high-resolution projection lens, a precise and fast moving stage, and photoelectric sensors.

The stage had to position the work accurately while moving at the speed required by the equipment. The projection lens had to reproduce the reduced pattern, while the sensors converted light into electrical signals used by the system.

In February 1980, Nikon announced the NSR-1010G. The company describes it as Japan’s first domestically produced commercial stepper and lists its resolution as one micrometer.

Nikon also emphasized overlay accuracy, the alignment required when positioning successive patterns. These were manufacturing specifications, distinct from the image-quality measures used for ordinary photographic lenses.

The stepper marked a commercial application of Nikon’s work in optical projection and precision movement. It placed the company within the equipment supply chain used to manufacture semiconductor devices.

Nikon subsequently applied semiconductor lithography technology to equipment for making flat-panel displays. That work involved forming circuit patterns on glass substrates used in LCD production.

The NSR-L7501G large-substrate exposure system was released in 1986. Nikon describes its development target as circuits measuring three to five micrometers on the display glass.

Exposure area was a separate requirement from the size of the circuit features. Nikon states that the system could expose an area measuring 75 mm on each side, compared with the 30 mm-square maximum it gives for semiconductor exposure equipment of that period.

The comparison describes the historical equipment discussed by Nikon. It does not establish the capabilities of later lithography machines, which fall outside those specifications and dates.

The display system represented an adaptation of existing technical work to a different substrate and manufacturing application. Precision projection remained central, but the area to be exposed was larger than in the semiconductor equipment used for the comparison.

Optical measurement for industrial inspection

Nikon’s industrial systems also included equipment for measuring the dimensions and shapes of manufactured parts. The company developed NEXIV, short for Nikon EXcellent Intelligent Vision, around the automation of visual inspection.

The system combined optical measurement with computer image processing. A CCD camera captured an image of a workpiece, and the equipment detected edges and processed their positions to make measurements.

Nikon associated the development with increasing demand for inspection of small, detailed electronic and automotive components. Non-contact measurement allowed surfaces to be examined without a measuring probe touching the part.

Automation was another part of the application. Nikon described a need to perform repeated industrial measurements quickly as manufacturing processes became more automated.

The company’s description of NEXIV also identifies telecentric optics. These were intended to keep image dimensions stable as focus conditions changed, supporting dimensional measurement from the captured image.

The system’s purpose was therefore different from producing a photograph for visual presentation. It used an optical image as the basis for calculating dimensions and inspecting a manufactured component.

Nikon characterized the development as an attempt to automate aspects of human vision and judgment. Claims about its speed and accuracy relative to people remain the company’s assessment, rather than a universal result for every inspection task.

The Nikon corporate name and photography competition

On April 1, 1988, Nippon Kogaku K.K. became Nikon Corporation. The change adopted the name already used for its cameras as the corporate identity for a business that also operated in scientific and industrial equipment.

Nikon says the decision was intended to support its international development by using the recognition attached to the Nikon brand. The name change did not mark the start of those other technical activities, many of which had developed over preceding decades.

The company’s international photography competition provided another connection with photographers beyond the sale of equipment. Its first edition attracted more than 21,000 entries from 37 countries.

Nikon says photographs for its calendars have been selected from competition submissions since 1974. The event was originally called Nikon Photo Contest International before becoming Nikon Photo Contest for its 34th edition in 2012.

The 2024 change to Nikon Film and Photo Contest added film explicitly to the name. Nikon tied that decision to changes in media and video sharing, continuing the competition under a title that reflected both forms of image-making.