The Four Thirds System is a standard created by Olympus and Eastman Kodak for digital single-lens reflex camera (DSLR) and mirrorless camera design and development.
The Micro Four Thirds system is a standard released by Olympus and Panasonic in 2008, for the design and development of mirrorless interchangeable lens digital cameras, camcorders and lenses. Camera bodies are available from Blackmagic, DJI, JVC, Kodak, Olympus, Panasonic, Sharp, and Xiaomi. MFT lenses are produced by Cosina Voigtländer, DJI, Kowa, Kodak, Mitakon, Olympus, Panasonic, Samyang, Sharp, Sigma, SLR Magic, Tamron, Tokina, TTArtisan, Veydra, Xiaomi, Laowa, Yongnuo, Zonlai, Lensbaby, Kowa, Venus Optics and 7artisans amongst others.
The Olympus Corporation Zuiko Digital ED 12–60mm 1:2.8–4 SWD is a Four Thirds System Pro series lens, sold in a kit with the Olympus E-3 camera body and available separately.
The Zuiko Digital 14–54 mm f/2.8–3.5 II is a Four Thirds System Pro series lens by Olympus Corporation, sold in a kit with the Olympus E-30 camera body and available separately. It is positioned just below the Olympus Zuiko Digital ED 12–60mm 1:2.8–4 SWD in terms of size, weight, focusing speed, price and focal length range, while having larger apertures. It replaces the Olympus Zuiko Digital 14–54mm 1:2.8–3.5, which had a longer minimum focusing distance.
The Olympus Zuiko Digital ED 9–18mm 1:4.0-5.6 is a Four Thirds System lens.
The Olympus E-5 was Olympus Corporation's flagship camera, positioned as a professional DSLR camera. It is the successor to the Olympus E-3, which was launched on October 17, 2007. The E-5 was announced on September 14, 2010. The E-5, like the other cameras in the Olympus E-series, conforms to the Four Thirds System.
Zuiko is a brand of optical lenses made by Olympus Corporation that was used up to and into the Four Thirds system era. The name Zuiko (瑞光) means 'Light of the Gods', using a character from the Mizuho Optic Research Laboratory (瑞穂光学研究所), where the lens was developed, and a character from Takachiho Corporation (高千穂製作所), which would eventually become the Olympus Corporation.
The Olympus Zuiko Digital ED 8mm f/3.5 Fisheye is an interchangeable "full-frame" or diagonal fisheye lens for Four Thirds system digital single-lens reflex cameras, announced by Olympus Corporation on June 30, 2005.
The Olympus Zuiko Digital ED 150mm 1:2.0 is an interchangeable camera lens announced by Olympus Corporation on September 27, 2004.
The Olympus Zuiko Digital 300mm 1:2.8 is an interchangeable camera lens announced by Olympus Corporation on June 24, 2003. As the largest and heaviest lens in the Zuiko Digital line, the ZD300mm f/2.8 was given the nickname "Big Tuna".
The Olympus Zuiko Digital ED 35-100mm 1:2.0 is an interchangeable camera lens announced by Olympus Corporation on February 17, 2005.
The Olympus Zuiko Digital ED 40-150mm 1:4.0-5.6 is an interchangeable moderate telezoom lens for the Four Thirds system. It was announced by Olympus Corporation on September 27, 2004.
The Olympus Zuiko Digital ED 50-200mm F2.8-3.5 SWD is an interchangeable lens for Four Thirds system digital single-lens reflex cameras announced by Olympus Corporation on October 17, 2007. It added an ultrasonic motor to the existing optical formula of the Olympus Zuiko Digital ED 50-200mm F2.8-3.5 introduced in 2003; it is slightly larger and heavier than the earlier lens.
The Olympus Zuiko Digital ED 14-42mm 1:3.5-5.6 is an interchangeable kit zoom lens announced by Olympus Corporation on September 14, 2006.
The Olympus Zuiko Digital ED 14-35mm 1:2.0 SWD is an interchangeable camera lens announced by Olympus Corporation on February 17, 2005.
The M.Zuiko Digital ED 40–150mm f/2.8 PRO is a professional telephoto zoom lens made by Olympus for the Micro Four Thirds system. It is the first telephoto lens in the Olympus M.Zuiko PRO range, which features weather-sealed, metal construction and high-performance optics intended to accompany the higher-end weather-sealed Olympus OM-D bodies such as the E-M1 Mark II. The lens features an integrated lens function button and manual-focus clutch, and ships with a tripod collar and collapsible lens hood.
Olympus M.Zuiko Digital ED 8 mm f/1.8 Fisheye Pro is an optically corrected fisheye lens.
Olympus M.Zuiko Digital ED 300 mm f/4 IS Pro is an optically corrected telephoto lens. With its extreme focal length of 300 millimetres it is the refracting prime lens with the longest focal length of the Micro Four Thirds system.
The Zuiko Digital 14–54 mm f/2.8–3.5 is a Four Thirds System High Grade series lens by Olympus Corporation, initially sold in a kit with the Olympus E-1 camera body and also available separately. Three glass aspherical lenses are used in its optical formulation. It was positioned as an upgrade to the 14-45mm kit lens in terms of focal length range while having larger apertures. It was replaced as the premium kit lens by the Olympus Zuiko Digital ED 12-60mm f/2.8-4 SWD with the release of the E-3, and later was directly replaced by the Olympus Zuiko Digital 14-54mm f/2.8-3.5 II, which is more suited for mirror-up or mirrorless operation.
The OM System OM-5 is a mirrorless interchangeable-lens camera with a Micro Four Thirds mount, announced by OM Digital Solutions on 26 October 2022 and due to be released in November. The lens with M.ZUIKO DIGITAL ED 14-150mm F4.0-5.6 II kit, and a lens kit with the M.ZUIKO DIGITAL ED 12-45mm F4.0 PRO, will be available in December. This was the first camera to be branded "OM SYSTEM" for the EVF, replacing the old "OLYMPUS" branding. In keeping with the "camera you can take with you" philosophy, the OM-1's functions such as 5-axis image stabilisation, Computational Photo, Hi-Res Shot, dustproof, water-proof and low temperature resistance were inherited, while a compact and lightweight body was pursued.
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