Tamron

 is a Japanese company manufacturing photographic lenses, optical components and commercial/industrial-use optics. Tamron Headquarters is located in Saitama City in the Saitama Prefecture of Japan.
The name of the company came from the surname of Uhyoue Tamura who was instrumental in developing Tamron's optical technologies. It was only on the company's 20th anniversary that the name was changed to Tamron (from Taisei Optical).
Sony Corporation maintains a 12.07% share hold in Tamron, making it the second-largest shareholder below New Well Co., Ltd (ニューウェル株式会社) with 18.89% (as of June 30, 2020). In the fiscal year ending 31 December 2017, net sales totaled 60.496 billion yen and operating income was 4.24 billion yen, up 79.8% from 2016. At that time, the consolidated company had 4,640 employees and five production plants: in Hirosaki, Namioka and Owani in Japan, and one in China and Viet Nam, respectively. Subsidiary companies were located in the U.S., Germany, France, Hong Kong, Shanghai, Moscow and Haryana, India.
Products.
Photographic lenses.
Tamron has sold more than 5 million lenses as of September 2014. In the 2017 fiscal year, such lenses accounted for 74.9% of all sales.
List of photographic lenses.
Most current Tamron lenses are available for Sony E-mount, Nikon F-mount, and Canon EF-mount
Designations.
Overall/General
Optical technology
Coating technology
Autofocus/Electronic technology
Weather-sealing technology
Manual focus lenses.
Adaptall-2 lenses and adapters.
Adaptall-2 mount lenses (Adaptall-2 series discontinued 2005/2006)
Adaptall-2 interchangeable mounts produced for:
Adaptall lenses and adapters.
Adaptall (first series) mount lenses
Adaptall (first series) interchangeable mounts produced for:
Adapt-A-Matic lenses and adapters.
Adapt-A-Matic mount lenses
Adapt-A-Matic interchangeable mounts produced for:
T2 lenses and adapters.
T2 screw mount lenses
T2 interchangeable mounts produced for: (Manufactured by Tamron, as well as third party manufacturers)