Olympus Corporation is a Japan-based company that manufactures optics and imaging  products. Olympus was established in October 1919, initially specialized in microscope and thermometer. Olympus is named after Mount Olympus, the home of the 12 supreme gods and goddesses in Greek mythology. Olympus has a long history in camera and lens design. In 1936, Olympus introduced its first camera, the Semi-Olympus I. The first truly innovative camera series from Olympus was the PEN models, launched in 1959. Olympus is a leading manufacturer of digital cameras, with a large range of compact digital cameras. Olympus is the designer of the Four-Thirds System standard for digital single-lens reflex camera design and development, which uses the same frame size as the PEN cameras as well as their flagship DSLR cameras. In 1983, Olympus, along with Canon, branded a range of video recording equipment and called it "Olympus Video Photography". The Company currently employs 2907 staff worldwide with a total revenue of US$12.48 Billion.