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The name Summilux is used by Leica and Panasonic Lumix to designate camera lenses that have a maximum aperture of less than f/2, typically f/1.4, but greater than f/1.0. The lens has been in production since 1959 and carries on to the present day.
The name Summilux is a combination of Summum, which is the Latin word for highest, while Lux is for light. [1] The first Summilux was the 50 mm of 1959, followed by a new 50 mm Summilux design in 1961, whose optics remained unchanged until replaced by the 50 mm Summilux-M ASPH of 2004. [2]
The Summilux lenses have a maximum f-number of f/1.4, f/1.5 or occasionally f/1.7. This one to 1.5 stops lower than Leica's Noctilux lenses, but the Summilux lenses are smaller as a result. [1] Summilux lenses are designed for low-light photography.
The Summilux lenses are less expensive than the Noctilux lenses, which has a smaller f-number. [1] However they are bigger, heavier and more expensive than the Summicron.
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The double Gauss lens is a compound lens used mostly in camera lenses that reduces optical aberrations over a large focal plane.
Lens speed refers to the maximum aperture diameter, or minimum f-number, of a photographic lens. A lens with a larger than average maximum aperture is called a "fast lens" because it can achieve the same exposure as an average lens with a faster shutter speed. Conversely, a smaller maximum aperture is "slow" because it delivers less light intensity and requires a slower (longer) shutter speed.
Walter Mandler was a lens designer of Ernst Leitz Canada in Midland, Ontario. Mandler is credited with the design of more than 45 Leica lenses for the Leica rangefinder cameras and Leica SLR cameras.
The name Noctilux is used by Leica to designate their camera lenses with the widest maximum aperture. Lenses with that name have been in production since 1966. So far all Noctilux lenses have been made for the Leica M mount.
The Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, and a range of lenses. It has been used on all the Leica M-series cameras and certain accessories up to the current film Leica M-A and digital Leica M11 cameras.
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.
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The name Summicron is used by Leica to designate camera lenses that have a maximum aperture of f/2 after 1953 and to present day.
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Nocticron is the brand name of Leica lenses with an extreme speed of f/1.2. Because of the large aperture size and its image stabilisation system it is possible to take images with relatively short exposure time especially in available light situations. Together with the high number of nine diaphragm blades the lens creates a strong and pleasant bokeh.
The Panasonic Leica D Vario-Elmarit 14-50mm F2.8-3.5 ASPH Mega OIS is an interchangeable camera lens announced by Panasonic on February 26, 2006. It was the first Leica lens with optical image stabilisation.
The Panasonic Lumix G 25mm F1.7 ASPH is a fixed focal length interchangeable camera lens announced by Panasonic on September 2, 2015.
The Panasonic Leica D Summilux Asph 25mm F1.4 is an interchangeable camera lens announced by Panasonic on March 7, 2007.
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The Leica X-U is a compact underwater camera by Leica Camera, released on 20 January 2016. The Leica X-U combines the APS-C format CMOS sensor of 16.2 megapixels with the Leica Summilux 23 mm f/1.7 ASPH lens. The camera records video in 1920 x 1080 or 1280 x 720 pixel resolution at 30 frames per second in MP4 video format. Made in Germany in collaboration with Audi Design, the Leica X-U has a aluminium top plate and an anti-slip TPE protective armor. The camera is fully waterproof at depths of up to 15 m or 49 feet.
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