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Канон (компания) Canon (на японски:キャノン株式会社) е корпорация за производство на оптични продукти - камери, фотоапарати, принтери и др. Седалището на фирмата е в Токио, Япония. Основана е през 1937 от Такеши Матари, Горо Тошида и Сабуро Очида. [редактиране] Продукти Канон е производител на бизнес и потребителски продукти за изображения като принтери, скенери, бинокли, компактни цифрови фотоапарати, огледално-рефлексни фотоапарати, обективи и видеокамери. Бизнес решенията на компанията предлагат продукти за печат и обработка на документи за малки, средни и големи предприятия. По-малко известни продукти на Канон включват медицински, оптични и радиоразпръскващи продукти, рентгенови устройства, микропроцесорни продукти, цифрови сканери на микрофилми. [редактиране] Лазерни принтери От много години Канон е от основните производители на печатни механизми, които се ползват масово в лазерни принтери. Първите модели на Apple LaserWriter и подобните продукти на компанията HP са използвали машината на Канон - Canon LBP-CX. А следващите модели (LaserWriter II series, LaserJet II series) са ползвали съответно Canon LBP-SX. Следващите модели пък са ползвали съответно по-новите модели Canon LBP-LX, LBP-EX, LBP-PX и т.н. Между много от моделите на Канон печатащите устройства, голяма част от частите са взаймозаменяеми (тонер касети, касети с мастила, и т.н.). [редактиране] Цифрови копирни машини Най-голям дял от приходите на Канон носи отделът за мултифункционални копирни устройства. Доста от основните промени по време на "Цифровата революция" в индустрията са били изобретени от Канон. Това позволява на Канон да се задържи с най-голям пазарен дял за 26 години от последните 27 години. [редактиране] Мастилно-струйни принтери [редактиране] Цифрови фотоапарати Канон е произвежда и разпространява цифрови фотоапарати от 1984 година стартирайки с модела RC-701. RC серията е последвана от PowerShot и Digital IXUS. Канон произвежда и серията EOS, която включва професионални модели фотоапарати. - Вижте основните статии за: - Canon PowerShot - Canon PowerShot G series - Canon Digital IXUS - Canon EOS - Canon EF lens mount (includes list of EF lenses) - Canon EF-S lens mount, a subset of the EF mount specifically for DSLRs with APS-C sensors (includes list of EF-S lenses) [редактиране] Светкавици Канон [редактиране] Сканери [редактиране] Компютри Канон представя два свои модела домашни компютри през 1983 година, MSX V-10 и MSX V-20. Двата предлагат минималния набор от стандартни характеристики за MSX стандарта без никакви допълнителни подобрения. V-20 е можел да получава снимки от фотоапарат Канон T90 оборудван с Data Memory Back T90 разширение. - Вижте: Canon V-20 [редактиране] Външни препратки - Официалният сайт на „Канон“ - Официалният сайт на „Канон Австралия“ - Онлайн музей на камери на „Канон“ - Canon Electronic Business Machines (H.K.) Co., Ltd.
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Canon EOS Canon EOS (Electro-Optical System) is an autofocus single-lens reflex camera (SLR) camera series produced by Canon Inc.. Introduced in 1987 with the Canon EOS 650, all EOS cameras used 35 mm film until October 1996 when the EOS IX was released using the new and short-lived APS (Advantix/IX) film. In 2000, the D30 was announced, as the first digital SLR designed and produced entirely by Canon. Since 2005, all newly announced EOS cameras have used digital image sensors rather than film. The EOS line is still in production as Canon's current digital SLR (DSLR) range, and, with the 2012 introduction of the Canon EOS M, Canon's mirrorless interchangeable-lens camera (MILC) system. The acronym "EOS" was chosen for Eos, the Titan goddess of the dawn in Greek mythology,[1] and is often pronounced as a word (UK /ˈiː.ɒs/ or US /ˈiː.ɑːs/), although some spell out the letters, reading it as an initialism. It competes primarily with the Nikon F series and its successors, as well as autofocus SLR systems from Olympus Corporation, Pentax, Sony/Minolta, and Panasonic/Leica. In 2010, Canon held 44.5% market share in DSLRs.[2] At the heart of the system is the EF lens mount, which replaced the previous FD lens mount, which mainly supported only manual-focus lenses. Contents EF lens mount[edit] The bayonet-style EF lens mount is at the centre of the EOS camera system. Breaking compatibility with the earlier FD mount, it was designed with no mechanical linkages between moving parts in the lens and in the camera. The aperture and focus are controlled via electrical contacts, with motors in the lens itself. This was similar in some ways to Canon's earlier attempt at AF with the T80 and Nikon's 1983 F3AF (and too many of Nikon's more recent autofocus lenses), and other manufacturers including Contax (with its G series of interchangeable-lens 35 mm rangefinder cameras) and Olympus (with its Four Thirds System) have since embraced this type of direct drive system. It is a large lens mount compared to most of its competition, enabling the use of larger aperture lenses.[3] EOS flash system[edit] The flash system in the EOS cameras has gone through a number of evolutions since its first implementation. The basic EOS flash system was actually developed not for the first EOS camera, but rather for the last high-end FD-mount manual-focus camera, the T90, launched in 1986. This was the first Canon camera with through-the-lens (TTL) flash metering, although other brands had been metering that way for some time. It also introduced the A-TTL (Advanced TTL) system for better flash exposure in program mode, using infrared preflashes to gauge subject distance. This system was carried over into the early EOS cameras wholesale. A-TTL largely fell out of favor, and was replaced by E-TTL (Evaluative TTL). This used a pre-flash for advanced metering, and used the autofocus system to judge where the main subject was for more accurate exposure. E-TTL II, which was an enhancement in the camera's firmware only, replaced E-TTL from 2004. Canon Speedlite-brand flashes have evolved alongside the cameras. They are capable of wired and wireless multi-flash setups, the latter using visible or infrared pulses to synchronise. Canon also produces Speedlite accessories, including the OC-E3 Off-Camera Shoe Cord, which can be used to hand-hold the flash while allowing the camera to control it through the cord. The Off-Camera Shoe Cord is popular among portrait photographers who need to have more control over lighting than a camera mounted flash can offer. EOS cameras[edit] As of 2007, Canon has released no fewer than 40 EOS SLR and DSLR camera models, starting with the introduction of the EOS 650 in 1987. In the 1990s, Canon worked with Kodak to produce digital camera bodies, starting with the EOS DCS 3 in 1995. The first digital EOS SLR camera wholly designed and manufactured by Canon was the EOS D30, released in 2000. Canon sold two EOS cameras designed to use the APS film format, the EOS IX and the EOS IX Lite. Canon also sold a manual-focus camera, the Canon EF-M, which used the same EF lens mount as the EOS cameras. It came with all the automatic and manual exposure functions but lacked autofocus. It came equipped with a split-screen/microprism focusing screen for precise manual focusing. Eye-controlled focusing[edit] Through the tracking of eyeball movements, EOS cameras equipped with eye-controlled focusing (ECF) (some identifiable by the suffix E) were able to select the desired autofocus point in the scene, based on where the user was looking in the viewfinder frame. ECF was especially useful in sports photography where the subject may shift its position in the frame rapidly. EOS cameras equipped with ECF were the EOS A2E (U.S. model names are shown; see the table below for equivalents in other countries), EOS Elan IIE, EOS IXe, EOS-3, EOS Elan 7E, and EOS Elan 7NE. Canon did not continue its use of eye-controlled focusing in its digital SLRs. The EOS Elan 7NE was the last EOS camera to have this function. Quick control dial[edit] Most prosumer and professional level EOS cameras feature a large quick control dial (QCD) on the camera back. The first consumer-level EOS camera with this feature is the EOS 760D/Rebel T6s, announced in February 2015. This feature allows easy adjustment of certain parameters using the thumb, the QCD is used for quick access to often-used functions that would otherwise require a more complicated procedure of button-presses and dial-clicks. Cameras equipped with the QCD can easily be operated with one hand (forefinger on the main dial, thumb on the QCD) without taking the eye off the viewfinder. Some useful functions that a QCD is programmed to do include setting exposure compensation, setting of aperture in manual exposure mode and scrolling of images and menus in digital EOS cameras. Multi-point autofocus system[edit] Currently, top-line EOS cameras have either 61 or 65 autofocus (AF) points, the most in their class. The following EOS cameras feature such a system, with 61 points unless otherwise indicated: - The EOS 5D Mark III, on sale since March 2012.[4] - The EOS-1D X, announced in October 2011 and originally scheduled for sale in April 2012,[5] but delayed until June 2012.[6] - The EOS 7D Mark II, on sale since November 2014. This APS-C body has Canon's first (and so far only) 65-point AF system.[7] - The EOS 5Ds and 5Ds R, two closely related higher-resolution full-frame bodies otherwise similar to the 5D MkIII, announced in February 2015 with sales expected to begin in June of that year.[8] The release of the 5D MkIII gave Canon the lead once again in this category; previously, its top-line cameras had 45 AF points,[9] which led the industry until Nikon released its D3 and D300 DSLRs with 51-point AF systems. A higher number of AF points increases the chances of a sharply-focused photograph in situations where the subject travels across the frame at high speeds (e.g. sports, wildlife). Having so many AF points also helps relieve the photographer from having to use the 'lock focus and recompose' method of framing a photograph that can introduce focussing inaccuracy. The camera generally focuses on the closest object or on human faces, which may not be what the photographer wants, so EOS cameras equipped with a multi-point AF system still allow the photographer to manually select an AF point. The EOS-3, EOS-1v, and all EOS-1D models prior to the EOS-1D X feature a 45-point AF system. Most Canon DSLRs introduced since late 2005, starting from the EOS 20D and the Rebel XTi (400D), feature a nine-point AF system in a diamond-shape formation. The EOS 5D, released in 2005, takes this 9-point AF system a step further by introducing six more 'invisible' AF points (i.e. not user-selectable) in helping the camera acquire focus faster during subject tracking. There have been several exceptions to Canon's recent rule of a 9-point AF system. The EOS 1000D (Rebel XS) has the 7-point AF system of most older Canon DSLRs. The EOS 7D, released in 2009, has a 19-point AF layout, fitting essentially within the same diamond-shaped area of the frame as the nine-point layout. The EOS 70D, released in August 2013, inherits the 7D's 19-point layout, but with fewer AF control options. The 70D system was in turn handed down to the EOS 750D (Rebel T6i) and 760D (Rebel T6s), announced in February 2015. The EOS 5D Mark III, released in March 2012, and the EOS-1D X, released in June 2012, have 61-point AF layouts. The EOS 6D, released in October 2012, has an 11-point layout. For the earlier generation of 45-point AF system, the central column of 1 or 2 sensors (7 in all up to EOS-1Ds Mk II, EOS-1D Mk II N) are cross-type sensors, which are sensitive to both vertical and horizontal lines to offer a high degree of accuracy. The EOS-1Ds Mk III, replaced by the EOS-1D X, has 19 cross-type sensors for higher accuracy, as well as placing the cross-type sensors to complement the Rule of Thirds. The other Canon professional SLR replaced by the EOS-1D X, the APS-H EOS-1D Mk IV, has 39 cross-type sensors, a major increase from the 19 of the Mk III. Of the 61 AF points of the EOS-1D X and 5D MkIII, 21 central points and 20 outer points are cross-type, and five central points are dual-cross-type (sensitive to diagonal lines in addition to horizontal and vertical). All 65 points of the 7D MkII are cross-type, but only the center point is dual-cross-type. Similarly, as of 2015[update], all AF points on later generations of the X0D series (beginning with the 40D and continuing through the current 60D and 70D) are cross-type sensors for higher accuracy, and the center sensor is dual-cross-type for even greater accuracy and sensitivity. In June 2012, the EOS 650D (Rebel T4i) became the first consumer-level Canon to receive this AF system. Naming scheme[edit] Identical Canon models are sometimes marketed under different names in different parts of the world. For example, the EOS Rebel 2000 known in the Americas is also known as EOS Kiss III in Japan, and EOS 300 in other parts of the world. Film cameras[edit] This is a list of the 35 mm Film and APS Canon EOS models in order of introduction: Digital cameras[edit] Prior to the introduction of the EOS D30 digital SLR, Kodak produced four digital SLRs also sold under the Canon brand. These cameras used a digital camera back with the image sensor and associated electronics designed and built by Kodak together with modified internals of the EOS-1N film SLR. Due to the using the Canon EOS body, these four digital SLRs can accept EF lenses. The four cameras were: After termination of the agreement by Canon, Kodak cooperated with Sigma – who at that time had a Canon license – to produce the Kodak DCS Pro SLR/c based on a SA9 SLR body in 2004, which was compatible with EF lenses. The following digital SLRs, starting from the D30, had bodies and sensors completely designed and manufactured by Canon (except for the Canon EOS-1D, which uses a Panasonic sourced CCD sensor). Canon digital SLRs are equipped with a CMOS sensor (with the exception of EOS-1D that uses a CCD sensor). Canon designs and manufactures their own CMOS sensors. See also[edit] Canon[edit] - Canon Corporation - Comparison of Canon EOS digital cameras - Canon Cinema EOS - Canon FD lens mount - Canon FL - Canon EF lens mount - List of Canon products - Canon EF-S lens mount, a derivative of the EF mount designed for DSLRs with APS-C sensors - Canon EF-M lens mount, a derivative of the EF mount designed for MILCs with APS-C sensors Single lens reflex[edit] References[edit] - ^ http://www.canon.com/camera-museum/history/canon_story/1987_1991/1987_1991.html - ^ "DSLR Worldwide Market Share, 2010". Retrieved 2 May 2011. - ^ "Canon History Hall: Birth of New-Generation Autofocus SLR Camera, "EOS"". Retrieved 29 January 2010. - ^ "Canon U.S.A. Announces the Highly Anticipated EOS 5D Mark III Digital SLR Camera" (Press release). Canon U.S.A. 2 March 2012. Retrieved 12 April 2012. - ^ "Canon U.S.A. Introduces The New Canon EOS-1D X Digital SLR Camera, Re-Designed From The Inside Out" (Press release). Canon U.S.A. 18 October 2011. Retrieved 18 October 2011. - ^ Carnathan, Bryan (12 April 2012). "Canon Announces Delay of EOS 1D X and EF 24-70mm f/2.8 L II USM Lens". The-Digital-Picture.com. Retrieved 12 April 2012. - ^ "Fuel Your Creative Passion With The Highly Anticipated Canon EOS 7D Mark II Digital SLR Camera" (Press release). Canon U.S.A. 15 September 2014. Retrieved 6 February 2015. - ^ "Canon U.S.A. Introduces The World's Highest Resolution Full-Frame DSLR Cameras: EOS 5DS And EOS 5DS R" (Press release). Canon U.S.A. 5 February 2015. Retrieved 6 February 2015. - ^ "Canon 1D Mark IV". Usa.canon.com. Retrieved 30 December 2010. - ^ "CANON U.S.A.' S NEW EOS REBEL XSi PLACES SUPERIOR OPTICS AND PROFESSIONAL FEATURES INTO THE HANDS OF EMERGING PHOTO ENTHUSIASTS". Retrieved 25 February 2008. Canon U.S.A., Inc.'s EOS Rebel series of digital single lens reflex cameras – the cameras that defined and refined what it means to be an "entry level" digital SLR - ^ "EOS 450D: get ready to play". Archived from the original on 29 January 2008. Retrieved 25 February 2008. the model presents consumers with an unprecedented level of image quality - ^ "Canon EOS 40D brings new EOS platform to advanced amateur market". Archived from the original on 12 November 2007. Retrieved 25 February 2008. Canon today introduces its latest digital SLR for advanced amateurs and semi-professionals - ^ "The Wait is Over: CANON U.S.A.' S HIGHLY ANTICIPATED EOS 40D DIGITAL SLR DELIVERS HIGH-RESOLUTION IMAGE QUALITY, HIGH-SPEED SHOOTING AND HIGH-END FUNCTIONALITY". Retrieved 25 February 2008. Building on the success of Canon's perennially popular "prosumer" EOS 20D and 30D models, the EOS 40D advances the state-of-the-art for mid-range Digital SLR cameras - ^ "NEW CANON EOS 5D IS A PREMIUM DIGITAL SLR AT AN AFFORDABLE PRICE OFFERING A FULL-FRAME SENSOR WITH 12.8 MEGAPIXELS OF RESOLUTION". Retrieved 25 February 2008. The New Canon EOS 5D Camera Is a Premium DSLR for Under $3,300 - ^ "CANON U.S.A.'s NEW LINE-LEADING, 21.1-MEGAPIXEL, FULL-FRAME EOS-1Ds MARK III DIGITAL SLR KEEPS CANON AT THE TOP OF THE PRO PHOTO CLASS". Retrieved 25 February 2008. While Canon's EOS-1D series has dominated the 35mm-based professional Digital SLR market for the past six years External links[edit] - Canon EOS Gamma Curves at Light Illusion - EOS Camera Systems homepage at Canon.com - EF lens specification chart (pdf) - The Canon EOS FAQs - Flash Photography with Canon EOS Cameras – Part 1 – Part 2 – Part 3 - Canon Camera Museum