12 and 12 researched events on one shared scale. Konica 1873–present, Leica 1849–present.
The axis stretches where either maker has research and collapses where neither does, so a year sits opposite the same year on both. Event counts differ because research depth differs, not because one company did less.
Rokusaburo Sugiura began selling lithographic and photographic tools and materials at Konishiya Rokubeiten in Kojimachi, Tokyo, then established his own Konishi Honten business in Nihonbashi. By 1882 the firm was making lightproof photographic boxes, an early move from importing and retailing into domestic production.
History: 1873-1959 Cameras and Film—The Beginnings / Steps to a Global Company · Company Overview
The company expanded practical manufacturing around photography and lithography, building the skills needed to supply a young Japanese photographic culture. That foundation led to the 1903 Sakura Hakkin photographic paper and Cherry Hand Camera, products that joined the light-sensitive material and the picture-making instrument under one house.
History: 1873-1959 Cameras and Film—The Beginnings / Steps to a Global Company · Replica of Cherry Portable Camera
The Cherry Hand Camera appeared in 1903 as a branded, mass-produced Japanese camera for amateur use, while Sakura paper anchored the materials side. Konishi Honten broadened the camera range during the following decades, founded a professional photography school in 1923, and introduced Sakura Film for general photography in 1929.
History: 1873-1959 Cameras and Film—The Beginnings / Steps to a Global Company · Systematic Survey on 35 mm High End Camera · Replica of Cherry Portable Camera
The Konishi Professional School of Photography linked the company to photographic education, while Sakura Film brought in-house sensitized-material production to general photographers. The business reorganized as a joint-stock company in 1936 and announced Sakura Natural Color Film in 1940, the first Japanese-made color film in the company's chronology.
History: 1873-1959 Cameras and Film—The Beginnings / Steps to a Global Company · Systematic Survey on 35 mm High End Camera
As Konishiroku became an incorporated photographic manufacturer, its prewar Pearl folding cameras shared the range with sensitized materials and optical work. During the war the company developed and produced military aerial cameras. Civilian production resumed afterward, and the Konica I brought the Konica name to a 35mm camera by 1948.
History: 1873-1959 Cameras and Film—The Beginnings / Steps to a Global Company · Systematic Survey on 35 mm High End Camera · Konishiroku Konica I Cs
The fixed-lens Konica I established a durable camera brand within Konishiroku, alongside Pearl folding cameras and other popular formats. Hexar and Hexanon names became closely associated with the firm's lenses. In 1960 the ambitious Konica F carried the company into interchangeable-lens 35mm SLRs with a fast metal focal-plane shutter.
Konica F, record 103310371208 · Optical Products · Systematic Survey on 35 mm High End Camera · Konishiroku Konica I Cs
The Konica F introduced a large lens interface and a vertically travelling metal shutter capable of one two-thousandth of a second, but it was expensive and short-lived. Konishiroku kept developing the idea through later reflex cameras, reaching the Auto-Reflex and then the Autoreflex T, whose open-aperture TTL metering worked with automatic Hexanon lenses.
Konica F, record 103310371208 · Systematic Survey on 35 mm High End Camera · Konica Autoreflex T Instruction Manual
The Auto-Reflex combined a focal-plane shutter, interchangeable lenses and shutter-priority automatic exposure, and could switch between full and half frame. The Autoreflex T moved metering through the lens. Successive AR-mount bodies and Hexanon lenses carried that practical automation into the 1980s before Konica's SLR line wound down.
Systematic Survey on 35 mm High End Camera · Konica Autoreflex T Instruction Manual
The C35EF put a pop-up electronic flash into a compact 35mm camera, with Japanese museum records dating its release to December 1974 and the corporate chronology presenting it as a 1975 milestone. In November 1977 the C35AF added passive triangulation autofocus, turning two frequent causes of failed snapshots into camera-managed tasks.
Konica C35AF, record 103310371356 · Konica C35EF, record 103310371333 · History: 1960-1979 Innovative World Firsts / Rapid Growth of Copier Business
Konica translated camera-lens experience into ultra-precise aspheric plastic optics for compact-disc pickups while continuing photographic work. The Hexar and HEXAR RF kept high-grade 35mm cameras in view, digital Revio models addressed the new market, and camera OEM production grew even as optical components became strategically important.
Annual Report 2001 · History: 1980-2002 Digital Age Impact and New Business Challenges · Optical Products
Konishiroku Photo Industry changed its name to Konica Corporation in 1987 and brought the company's products under the Konica brand. Cameras and films remained visible, but copiers, medical imaging, digital systems and optical components grew in weight. A business-technology partnership with Minolta prepared the ground for their 2003 integration.
Annual Report 2001 · History: 2003 onward — Konica and Minolta Integration · History: 1980-2002 Digital Age Impact and New Business Challenges
Konica and Minolta integrated management in 2003. Konica Minolta withdrew from cameras in March 2006, transferred part of the digital-SLR assets to Sony, ended film and paper production on a staged schedule, and completed photo-sales withdrawal in 2007. The current successor remains an imaging and optics company, but not an own-brand camera maker.
Konica Minolta, Withdrawal Plan for Camera Business and Photo Business · History: 2003 onward — Konica and Minolta Integration · Optical Products · Company Overview
Carl Kellner founded the Optical Institute in Wetzlar in 1849 to make optical instruments. Ernst Leitz joined in 1864, became a partner in 1865, and took sole control after Friedrich Belthle's death in 1869, continuing the firm under his own name. Serial production and international sales made microscopes the business's foundation long before it manufactured the small-format camera now associated with Leica.
The History of the Leica I · Ernst Leitz I - Chronology · Our History
Oskar Barnack joined Leitz in 1911 and developed a small still camera using 35mm cine film horizontally for a 24x36mm frame. The Ur-Leica prototype was completed by 1914. Ernst Leitz II approved series manufacture in 1924, and the Leica I was presented at the Leipzig Spring Fair in 1925. Leica was described by the company as an abbreviation of Leitz Camera. Early production cameras used fixed lenses, chiefly the 50mm f/3.5 optical family associated with Max Berek's work.
100 Years of Leica: Witness to a Century · Leica Time Travel: 1914 - The Ur-Leica · The History of the Leica I · Why Are Leica Lenses the Best in the World?
The Leica I Model C introduced interchangeable 39mm screw-mount lenses in 1930, initially with each lens adjusted to a particular body. By the end of 1930 or during 1931, Leitz standardized the flange distance; standardized bodies were marked with a zero at the mount and cameras from serial 65,001 onward were made for interchangeable standardized lenses. The Leica II of 1932 integrated a coupled rangefinder, and the Leica III of 1933 added slow speeds. Leitz also maintained separate production books for camera and lens number allocations.
Leica 1(C) · Serial Numbers Leica Cameras · Leica Lens Compendium, Chapter 7: Serial Numbers and Production Dates · Leica Screw Mount Serial Numbers Sorted by Number
Under National Socialism, Leitz production was redirected toward military optics and used deported forced labor. At the same time, Ernst Leitz II, Elsie Kuhn-Leitz, and company associates assisted persecuted people through training, employment, financial support, and emigration. Frank Dabba Smith's scholarship stresses this combination of humanitarian action, conformist public conduct, military production, and forced labor rather than presenting a simple rescue narrative. Civilian camera production resumed after the war.
Ernst Leitz of Wetzlar and Helping the Persecuted: Scope of the Research and Some Reflections · Leica Time Travel: 1939 - The Leitz Factories under the Shadow of War
Postwar Leitz continued screw-mount cameras and created new optical-glass and lens-development capacity. Ernst Leitz Canada opened in Midland, Ontario, in 1952 and became a major source of cameras and optical designs. The M3, presented in 1954, introduced the Leica M bayonet and combined viewfinder-rangefinder with automatically selected bright frames. The M2 followed in 1957. M-mount lenses and screw-mount lenses with suitable adapters created broad continuity, but early collapsible and specialized designs retained handling or compatibility limits.
70 Years of Leica M · Leica Time Travel: 1954 - Leica M3 · Leica Time Travel: 1972 - M5, Canada, and Portugal · Leica 1(C) · Leica M6 Instruction Manual · Why Are Leica Lenses the Best in the World?
The Leicaflex of 1964 opened a 35mm SLR branch with a bayonet whose aperture-information cams changed across later bodies. The Leicaflex SL arrived in 1968. The M5 became the first M camera with an integrated through-the-lens exposure meter. Canadian optical work under Walter Mandler produced influential M and R lenses, including the 50mm f/1 Noctilux design. Leitz opened its Portuguese factory at Vila Nova de Famalicao in 1973 for components and later complete camera assembly.
50 Years of Leica Noctilux-M · Leica Time Travel: 1972 - M5, Canada, and Portugal · Leica M6 Instruction Manual · Why Are Leica Lenses the Best in the World? · 50 Years of Leica Portugal
The electronic Leica R3 of 1976 was developed with Minolta and Copal and assembled in Portugal. Later R cameras and lenses continued the SLR bayonet while adding a stepped R cam and, eventually, ROM contacts. Ernst Leitz Canada developed the M4-2 and continued camera and lens production. The M6 of 1984 returned an exposure meter to the classic-size M body. In 1985 Wild Heerbrugg acquired the Leitz family's company shares, ending direct family control of the larger optical enterprise.
Leica Time Travel: 1972 - M5, Canada, and Portugal · Four Generations Leitz in Company Management 1869-1986 · Leica Time Travel: 1976 - Leica R3 · Leica Time Travel: 1988 - Leica GmbH in Solms · Why Are Leica Lenses the Best in the World? · 50 Years of Leica Portugal
The photography division was restructured and renamed Leica GmbH in 1986, moved from Wetzlar to a purpose-built Solms factory in 1988, and became the camera-focused Leica Camera company. Leica Camera AG separated from the wider Leica Group and completed a Frankfurt stock-market offering in 1996. That year also brought the independently designed R8 and Leica's first digital camera, the stationary S1 scanning system. In 1998 the broader Leica businesses became independent camera, microscopy, and geosystems companies, while the first Digilux compact was based on a Fujifilm platform.
Leica Time Travel: 1996 - Leica Camera AG, R8, and S1 · Leica Time Travel: 1998 - Leica Digilux · Our History · Leica Time Travel: 1988 - Leica GmbH in Solms
Leica expanded its digital work through cooperation rather than a wholly internal product chain. Collaboration with Panasonic began in 2000 for digital and audiovisual lenses and extended to digital cameras in 2001. The M7 retained film and added an electronically controlled shutter. Facing severe financial pressure during the digital transition, Leica gained an investment from Andreas Kaufmann's ACM-associated group in 2004; Kaufmann became majority owner in 2006.
Leica Time Travel: 1998 - Leica Digilux · Renowned Brand Award Presented to Leica Majority Shareholder Dr Andreas Kaufmann · Leica Camera AG and Panasonic Sign Strategic Comprehensive Collaboration Agreement · Leica Time Travel: 2004 - The Company Is Recalibrated
The M8 of 2006 carried the M mount into digital capture with a smaller-than-full-frame sensor and 6-bit lens coding. The M9 of 2009 became the first full-frame digital M rangefinder. Leica ended production of R cameras and lenses in 2009 without the announced generational successor. Blackstone-advised funds acquired an indirect 44 percent minority stake in 2011 while ACM remained majority shareholder. A 2012 squeeze-out placed all Leica Camera AG shares in Lisa Germany Holding and ended the public listing.
Main Shareholder Acquires 100 Percent of Leica Camera AG Shares · Leica Classic - The Reflex System · Leica Camera Gains Strategic Investor in Blackstone · Leica Celebrates the 10th Anniversary of the Digital Rangefinder Camera · Leica Time Travel: 2004 - The Company Is Recalibrated
Leica Camera returned its headquarters and major production functions to Wetzlar's new Leitz Park in 2014. The Leica T introduced the short-register electronic mount now called L-mount, and the full-frame SL followed in 2015. In 2018 Leica, Panasonic, and Sigma announced the L-Mount Alliance, allowing each company to develop bodies and lenses around the common specification. Shared mount dimensions did not erase differences in manufacturer, firmware, product support, or sensor format.
Leica Celebrates the 10th Anniversary of the Digital Rangefinder Camera · The L-Mount Alliance: A Strategic Cooperation between Leica Camera, Panasonic and Sigma
Leica Camera continued analog and digital M cameras, the SL and Q families, medium-format S cameras, and sport optics while broadening technology partnerships. The Panasonic relationship was renewed through L-squared collaboration in 2022, and the company expanded mobile imaging with outside electronics makers. Current corporate material identifies Wetzlar and Vila Nova de Famalicao as production sites. Andreas Kaufmann remained identified by Leica as majority shareholder in 2026; the exact current minority percentage was not confirmed in a direct company ownership statement located for this research.
Renowned Brand Award Presented to Leica Majority Shareholder Dr Andreas Kaufmann · 100 Years of Leica: Current Company Profile · Leica Camera AG and Panasonic Sign Strategic Comprehensive Collaboration Agreement · The L-Mount Alliance: A Strategic Cooperation between Leica Camera, Panasonic and Sigma
