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64-644: The E-PL5, together with the E-PM2, features a touchscreen, similar to the Olympus PEN E-P3 and Olympus OM-D E-M5 , and the same 16.1 megapixel sensor as is in the OM-D E-M5, with its increased ISO range, low-light capability and wide dynamic range. Although the Olympus E-PL5 uses the same sensor as the OM-D E-M5, it lacks the 5 axis stabilisation system of the latter such as OM-D and E-P5, utilising

128-404: A Live view from the main image sensor. Use of an EVF/back panel LCD and smaller four thirds image sensor format and allows for smaller and lighter camera bodies and lenses. The MFT system standard also specifically includes seamless switching between still photography and HD video recording as a design criterion. MFT cameras are physically slimmer than most interchangeable lens cameras because

192-464: A flange focal distance of 19.25 mm. By avoiding internal mirrors, the MFT standard allows a much thinner camera body. Viewing is achieved on all models by live view electronic displays with LCD screens. In addition, some models feature a built-in electronic viewfinder (EVF), while others may offer optional detachable electronic viewfinders. An independent optical viewfinder typically matched to

256-447: A 122 mm filter. Olympus and Panasonic have both produced cameras with sensor-based stabilization, and lenses with stabilization. However, the lens stabilization will only work together with body stabilization for cameras of the same brand. Before 2013, Olympus and Panasonic approached image stabilization (IS) differently. Olympus used sensor-shift image stabilization only, which it calls IBIS ( I n- B ody I mage S tabilization),

320-429: A 35mm film camera can be used on a MFT camera body. With MFT sensors having a crop factor of 2.0, the old 50mm f/1.8 "standard" lens becomes a high-speed (although manual) 100mm f/1.8 telephoto portrait lens. So the MFT system allows the re-use of expensive lenses that may have outlived their 35mm film format camera, and can be used on a modern digital camera body capable of both still and HD video recording. Similarly,

384-485: A capacitive touchscreen for creative camera control, and a new OLED type display that is supposed to vastly improve performance in sunny conditions, and off-angle viewing. The EP-3 continues with the proprietary Accessory Port, a power and communication port, which allows the use of various accessories, such as an external stereo microphone for HD video recording, LED macro lights, and a bluetooth communications adapter. The accessory port continues to be compatible with

448-464: A capacitive touchscreen similar to E-P3 and OM-D E-M5 for creative camera control, but lacks an OLED type display that is supposed to vastly improve performance in sunny conditions, and off-angle viewing. Instead, the E-PL5 has a tiltable LCD, which allows easy above the head, waist level, low off the ground viewing and self-portraits, but no viewfinder. With no built-in flash, but sold with clip-on flash,

512-692: A commitment to the Micro Four Thirds system. The first Micro Four Thirds system camera was Panasonic Lumix DMC-G1 , which was launched in Japan in October 2008. In April 2009, Panasonic Lumix DMC-GH1 with HD video recording added to it. The first Olympus model, the Olympus PEN E-P1 , was shipped in July 2009. Blackmagic Design sells cameras made for cinematography, some of which use

576-481: A common autofocus system for mirrorless compact or "point-and-shoot" . By comparison, DSLRs use phase-detection autofocus (PDAF). The use of separate PDAF sensors has been favored in DSLR systems because of mirror box and pentaprism design, along with better performance for fast-moving subjects. The (non-Micro) Four Thirds system design standard specifies a 40 mm flange focal length distance, which allowed for using

640-489: A contrast-based system called DFD (Depth from Defocus) until the release of the G9 II in 2023. Both systems today provide focusing speeds to rival or even surpass many current DSLRs. The image sensor of Four Thirds and MFT measures 18 mm × 13.5 mm (22.5 mm diagonal), with an imaging area of 17.3 mm × 13.0 mm (21.63 mm diagonal), comparable to the frame size of 110 film . Its area, ca. 220 mm ,

704-527: A feature included all of its cameras. Until 2013, Panasonic used lens-based stabilization only, called Mega OIS or Power OIS ( O ptical I mage S tabilization). These stabilize the image by shifting a small optical block within the lens. In 2013, Panasonic began including sensor-based stabilization in its cameras, beginning with the Lumix DMC-GX7. Panasonic called the combination of lens and body stabilization "Dual IS," and this function won an award of

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768-408: A few identical image parameters for some popular image sensor classes compared to Micro Four Thirds. The smaller the focal length, the smaller the displacement in the image space between the last principal plane of the lens and the image sensor needed to focus a certain object. Therefore, the energy needed for focusing as well as the appropriate delay for shifting the focusing lens system are shorter,

832-559: A flange focal distance greater than or marginally less than 20 mm can often be used on MFT bodies via an adapter. While MFT cameras can use many of these "legacy" lenses only with manual focus and manual aperture control mode, hundreds of lenses are available, even those designed for cameras no longer in production. While lens manufacturers seldom publish lens mount specifications, the MFT mount has been reverse-engineered by enthusiasts, with CAD files available. Until 2013, MFT cameras exclusively used contrast-detection autofocus (CDAF),

896-437: A further evolution of the similarly named predecessor Four Thirds System pioneered by Olympus. The Micro Four-Thirds system standard uses the same sized sensor (nominal 4000 pixels by 3000 pixels) as the original Four Thirds system. One potential advantage of the smaller MFT system sensor (when compared to market leaders Canon and Nikon APS-C and full frame sized) are smaller and lighter lenses. The smaller MFT sensor allows for

960-565: A lower resolution, a locking device, and probably most importantly a US$ 100 lower MSRP . In the United States the E-P3 MSRP with new 14–42 mm kit zoom lens or 17 mm f/2.8 pancake lens was US$ 899. The accessory VF-3 EVF was also available separately for US$ 180.00. Available body colors were black and silver. The Micro Four Thirds (MFT) system design standard was jointly announced in 2008 by Olympus and Panasonic , as

1024-499: A mirror box and pentaprism based optical viewfinder system, the MFT system design standard sought to pursue a technically different camera, and specifically slimmed down the key physical specifications which eliminated the ability to include the traditional complex optical path and the bulky mirror box needed for a SLR optical viewfinder. Instead, MFT uses either a built-in (Panasonic) or optional (Olympus/Panasonic) compact electronic viewfinder (EVF) and/or LCD back panel displaying

1088-472: A particular non-zoom prime lens is sometimes an option. The throat diameter is about 38 mm, 6 mm less than that of the Four Thirds system. Electrically, MFT uses an 11-contact connector between lens and camera, adding to the nine contacts in the Four Thirds system design specification. Olympus claims full backward compatibility for many of its existing Four Thirds lenses on MFT bodies, using

1152-480: A purpose built adapter with both mechanical and electrical interfaces. The shallow but wide MFT lens mount also allows the use of existing lenses including Leica M , Leica R , and Olympus OM system lenses, via Panasonic and Olympus adapters. Aftermarket adapters include Leica Screw Mount , Contax G , C mount , Arri PL mount, Praktica , Canon, Nikon, and Pentax, amongst others. In fact, almost any still camera, movie or video camera interchangeable lens that has

1216-426: A reduced image circle, which allows the development of smaller and lighter native lenses. The MFT sensor has a crop factor of 2.0 when compared to 35mm film equivalent full frame sensors. By comparison, the more popular consumer (as opposed to professional) DSLRs such as those made by Canon , Nikon and Sony have 1.5 to 1.6 crop factor APS-C sensors , which means larger and heavier lens designs. For example,

1280-478: A simpler system 2 axis stabilisation that only compensates for yaw and pitch . The E-PL5 increases autofocus speed through use of a 240 Hz refresh rate for its sensor, similar to the technology used in its flagship MFT camera, the OM-D E-M5. The benefits of the 240 Hz refresh rate also provides the ability for continuous autofocus tracking during bursts of exposures, a faster shutter response (less lag) and less blackout time between exposures. The E-PL5 has

1344-427: A single lens reflex design, with mirror box and pentaprism. Four Thirds DSLR cameras designed by Olympus and Panasonic initially used exclusively PDAF focusing systems. Olympus then introduced the first live view DSLR camera, which incorporated both traditional DSLR phase focus and also optional contrast detection focus. As a result, newer Four Thirds system lenses were designed both for PDAF and contrast focus. Several of

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1408-425: A slight losses in image quality. This is the result of placing high resolution demands on the center crop of decade old 35mm lenses. Therefore, 100% crops from the lenses do not usually represent the same level of pixel-level sharpness as they would on their native formats. Another slight disadvantage of using adapted lenses can be size. By using a 35mm film lens, one would be using a lens that casts an image circle that

1472-436: A typical Olympus MFT M.Zuiko 14-42mm f/3.5–5.6 kit lens weighs 112 grams (4.0 oz), is 56 millimetres (2.2 in) in diameter and 50 millimetres (2.0 in) in length. The equivalent Canon APS-C DSLR EF-S 18–55mm f3.5–5.6 kit lens weighs 190g, and is 69mm in diameter and 80mm in length While the older Four Thirds system design standard allowed the incorporation of a single lens reflex (SLR) camera design including

1536-454: Is approximately 30% less than the APS-C sensors used in other manufacturers' DSLRs ; it is around 9 times larger than the 1/2.3" sensors typically used in compact digital cameras . The Four Thirds system uses a 4:3 image aspect ratio , like compact digital cameras. In comparison, DSLRs usually adhere to the 3:2 aspect ratio of the traditional 35 mm format. Thus, "Four Thirds" refers to both

1600-406: Is equivalent to a 2.0 crop factor when compared to a 35 mm film (full frame) camera. This means that the field of view of an MFT lens is the same as a full frame lens with twice the focal length. For example, a 50 mm lens on a MFT body would have a field of view equivalent to a 100 mm lens on a full frame camera. For this reason, MFT lenses can be smaller and lighter because to achieve

1664-417: Is far larger than what is required by Micro Four Thirds Sensors. The main disadvantage of using adapted lenses however, is that focus is manual even with natively autofocus lenses. Full metering functionality is maintained however, as are some automated shooting modes (aperture priority). A further disadvantage with some LM and LTM lenses is that lenses with significant rear protrusions simply do not fit inside

1728-737: Is omitted in the Panasonic Lumix DMC-GF3 design. Similar to Olympus, the LVF1 is usable on high-end Panasonic compact point and shoot cameras, such as the Panasonic Lumix DMC-LX5 . Due to the short native flange distance of the Micro Four Thirds System, the usage of adapted lenses from practically all formats has become widely popular. Because lenses can be used from old and abandoned camera systems, adapted lenses typically represent good value for

1792-524: Is reduced by half —i.e., an adapted 50mm lens is still a 50mm lens in terms of focal length but has a narrower FOV equivalent to a 100mm lens due to the Micro Four Thirds System 2x crop factor. Therefore, most adapted glass from the 35mm film era and current DSLR lineups provide effective fields of view varying from normal to extreme telephoto. Wide angles are generally not practical for adapted use from both an image quality and value point of view. Using older adapted lenses on Micro Four Thirds sometimes leads to

1856-667: The Olympus XZ-1 . Olympus announced the VF-4 in May 2013, along with the fourth generation PEN flagship, the E-P5. As of mid-2011, Panasonic G and GH series cameras have built in EVF's, while two of the three GF models are able to use the add-on LVF1 hotshoe EVF. The LVF1 must also plug into a proprietary port built into the camera for power and communication. This proprietary port and the accessory

1920-572: The YI M1 , a 20MP MFT camera with 4K video capability. Also in 2016, Z-Camera released the E1, designed to shoot still and video with an MFT lens mount. Because the flange focal distance of Micro Four Thirds cameras are shorter than DSLRs, most lenses are smaller and cheaper. Of particular interest in illustrating this fact are the Panasonic 7–14 mm ultra-wide angle (equivalent to 14–28 mm in

1984-424: The image plane . As a consequence, the equivalent exposure indexes (respectively equivalent ISO speeds) are different in order to get the identical shutter speeds (i.e., exposure times) with the same levels of motion blur and image stabilisation . Furthermore, for a given guide number of a photoflash device all systems have the same exposure at the same flash-to-subject distance. The following table shows

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2048-449: The microlenses of the image sensor. Furthermore, in low light conditions by using low f-numbers a too-shallow depth of field can lead to less satisfying image results, especially in videography, when the object being filmed by the camera or the camera itself is moving. Equivalent focal lengths are given, if the angle of view is identical. The depth of field is identical, if angle of view and absolute aperture width are identical. Also

2112-459: The 150mm f/2 and 300mm f/2.8 lenses are as quick and accurate as a native Four Thirds body). The Panasonic G9 II is the first micro four thirds camera from Panasonic which has phase detect autofocus. The much shorter flange focal distance enabled by the removal of the mirror allows normal and wide angle lenses to be significantly smaller because they do not have to use strongly retrofocal designs. The Four Thirds sensor format used in MFT cameras

2176-574: The 35 mm film format) and the Olympus M.Zuiko Digital ED 9–18 mm ultra wide-angle lens (equivalent to an 18–36 mm zoom lens in the 35 mm film format). This feature also permitted the lens designers to develop the world's fastest fisheye lens with autofocus, the Olympus ED 8 mm f/1.8 . On the telephoto end, the Panasonic 100–300 mm or the Leica DG 100-400 mm as well as

2240-435: The E-PL5 continues with the proprietary Accessory Port, a power and communication port, which allows the use of various accessories, such as other external flash, an external stereo microphone for HD video recording, LED macro lights, and a bluetooth communications adapter. The accessory port is compatible with the optional hotshoe mounted VF-2, VF-3 and VF-4 electronic viewfinders (EVF). No Video | Weather Sealed | All

2304-557: The Four Thirds lenses focus on Micro Four Thirds proficiently when an electrically compatible adapter is used on the Micro Four Thirds cameras, and they focus on Micro Four Thirds cameras much quicker than earlier generation Four Thirds lenses can. Some MFT cameras, beginning with the Olympus OM-D E-M1 in 2013, incorporate phase-detection hardware on the sensor. Besides offering faster autofocus speed, these camera bodies perform better with legacy lenses (e.g. focus performance of

2368-653: The Kodak brand, released its first Micro Four Thirds camera, the Kodak Pixpro S-1 ; several lenses and niche camera makers have products made for the standard. In 2015, DJI released the Zenmuse X5 and X5R, which are gimbal-mounted cameras with a MFT lens mount, as optional upgrades for its Inspire drone line. Both cameras can capture 16MP stills and up to 4K/30fps video using one of four interchangeable lenses, ranging from 12mm to 17mm. In 2016, Xiaoyi introduced

2432-816: The MFT lens mount. Their first MFT camera was the Blackmagic Pocket Cinema Camera (BPCC), which was announced in April 2013 with 1080HD recording. In August 2013, SVS Vistek GmbH in Seefeld, Germany introduced the first high-speed industrial camera with a MFT lens mount, using 4/3" sensors from Truesense Imaging, Inc (formerly Kodak sensors, now part of ON Semiconductor ). The SVS Vistek Evo "Tracer" cameras have resolution-dependent shutter speeds, ranging from 147 frames per second (fps) at 1 megapixel (model evo1050 TR) to 22 fps at 8 megapixels (model evo8051 TR). In 2014, JK Imaging Ltd., which holds

2496-551: The MFT system design allows current DSLR lenses to be used as well, although only with manual focus and aperture control. [REDACTED] Media related to Olympus E-P3 at Wikimedia Commons No Video | Weather Sealed | All the Rest Micro Four Thirds system The Micro Four Thirds system ( MFT or M4/3 or M43 ) ( マイクロフォーサーズシステム , Maikuro Fō Sāzu Shisutemu ) is a standard released by Olympus Imaging Corporation and Panasonic in 2008, for

2560-479: The MFT system inherit the original sensor format of the Four Thirds system , designed for DSLRs . However, unlike Four Thirds, the MFT system design specification does not require lens telecentricity , a parameter which accommodated for the inaccurate sensitivity to off-angle light due to the geometry of the photodetectors of contemporary image sensors. Later improvements in manufacturing capabilities enabled

2624-510: The Micro Four Thirds system (body and lenses) is smaller and lighter. However, their sensors are smaller than full-frame or even APS-C systems . The small lenses do not allow the noise depth-of-field tradeoffs of larger lenses in other systems. Many, but not all Micro Four Thirds cameras use an electronic viewfinder. Resolutions and refresh speeds on these EVF displays were originally compared negatively to optical viewfinders, but today's EVF systems are faster, brighter and much higher resolution than

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2688-429: The Olympus 75–300 mm zooms show how small and light extreme telephotos can be made. The 400 mm focal length in Micro Four Thirds has the same angle of view as an 800 mm focal length in full frame cameras. When compared to a full frame camera lens providing a similar angle of view, rather than weighing a few kilograms (several pounds) and generally having a length exceeding 60 cm (24 in) end to end,

2752-559: The PEN camera line with similar features to the E-PL3). The EP-3 addresses some of the concerns that critics had about previous PEN models , notably, slow handling, due to slow autofocus speed and difficulty seeing the LCD panel under certain (e.g., bright, sunny) conditions. The E-P3 increases autofocus speed through use of a 120 Hz refresh rate for its sensor, similar to the technology used in

2816-767: The Rest Olympus PEN E-P3 The Olympus PEN E-P3 announced on 30 June 2011 is Olympus Corporation's seventh camera that adheres to the Micro Four Thirds (MFT) system design standard. The E-P3 succeeds the Olympus PEN E-P2 , and was announced in concert with two other models, the Olympus PEN E-PL3 (Lite version of E-P3), and the Olympus PEN E-PM1 (a new "Mini" version of

2880-532: The built-in EVF, and the optional hotshoe add-on EVF. Until the introduction of the OM-D E-M5 in February, 2012, none of the Olympus designs included a built-in EVF. Olympus has four available add-on hotshoe viewfinders. The Olympus VF-1 is an optical viewfinder with an angle of view of 65 degrees, equivalent to the 17mm pancake lens field of view, and was designed primarily for the EP-1. Olympus has since introduced

2944-684: The camera body and risk damaging lens or body. An example is the Biogon type of lens. Overall, the ability to use adapted lenses gives Micro Four Thirds a great advantage in overall versatility and the practice has gained a somewhat cult following. Image samples can be found readily online, and in particular on the MU-43 adapted lenses forum. As of June 2012 , Olympus , Panasonic , Cosina Voigtländer , Carl Zeiss AG , Jos. Schneider Optische Werke GmbH , Komamura Corporation, Sigma Corporation , Tamron , Astrodesign, Yasuhara, and Blackmagic Design have

3008-531: The design and development of mirrorless interchangeable lens digital cameras , camcorders and lenses . Camera bodies are available from Blackmagic , DJI , JVC , Kodak , Olympus, OM System , Panasonic, Sharp , Logitech Mevo and Xiaomi . MFT lenses are produced by Cosina Voigtländer , Kowa , Kodak, Mitakon, Olympus, Panasonic, Samyang , Sharp, Sigma , SLR Magic, Tamron , Tokina , TTArtisan, Veydra, Xiaomi, Laowa, Yongnuo, Zonlai, Lensbaby , Venus Optics and 7artisans amongst others. The specifications of

3072-492: The equivalent 35 mm film camera field of view, the MFT focal length is much shorter. See the table of lenses below to understand the differences better. For comparison, typical DSLR sensors, such as Canon's APS-C sensors, have a crop factor of 1.6. Equivalent images are made by photographing the same angle of view , with the same depth of field and the same Angular resolution due to diffraction limitation (which requires different f-stops on different focal length lenses),

3136-403: The exception of a few MFT cameras, most MFT cameras record in a native 4:3 format image aspect ratio, and through cropping of the 4:3 image, can record in 16:9, 3:2 and 1:1 formats. Olympus E-M1 II, E-M1 III, E-M5 III, PEN-F, OM-System OM-5 25 Mpx (Rev.2) Gen 6 Panasonic G9 II (Rev.2) September 2023 (Panasonic G9 II) The MFT system design specifies a bayonet type lens mount with

3200-516: The high resolution VF-2 EVF, and a newer, less expensive, slightly lower resolution VF-3 for use in all its MFT cameras after the Olympus EP-1 . These EVF's not only slip into the accessory hotshoe, but also plug into a dedicated proprietary port for power and communication with Olympus cameras only. Both the VF-2 and VF-3 may also be used on high-end Olympus compact point and shoot cameras such as

3264-436: The high resolution, optional hotshoe mounted VF-2 electronic viewfinder ( EVF ). The VF-2 had a flip angle eyepiece, allowing viewing from 0–90 degrees. The VF-2 had been criticized for being very expensive and for not having a locking device, with some users reporting easy dislodgement of the VF-2 from the hotshoe. To address these criticisms, in July 2011, Olympus announced the introduction of an optional VF-3 EVF, which has

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3328-412: The money. Adapters ranging from low- to high-quality are readily available for purchase online. Canon FD, Nikon F (G lenses require special adapters), MD/MC, Leica M, M42 Screw Mount, and C-mount Cine lenses are all easily adaptable to the Micro Four Thirds system with glassless adapters, resulting in no induced loss of light or sharpness. Adapted lenses retain their native focal lengths but field of view

3392-512: The optically stabilized Panasonic Lumix G Vario 100–300 mm lens weighs just 520 g (18 oz), is only 126 mm (5.0 in) long, and uses a relatively petite 67 mm filter size. As a point of comparison, the Nikkor-P 600 mm f5.6 telephoto introduced for the 1964 Summer Olympics in Tokyo weighs 3,600 g (130 oz), is 516.5 mm (20.33 in) in length and uses

3456-631: The original Four Thirds with competing DSLR system see Four Thirds system#Advantages, disadvantages and other considerations Compared to inexpensive digital compact cameras and many bridge cameras , MFT cameras have better, larger sensors , and interchangeable lenses. There are many lenses available. On top of this, a large number of other lenses (even from the analogue film era) can be fitted using an adapter. Different lenses yield greater creative possibilities. However, Micro Four Thirds cameras also tend to be slightly larger, heavier and more expensive than compact cameras. Compared to most digital SLRs ,

3520-507: The original displays. Original Micro Four Thirds cameras used a contrast-detection autofocus system, slower than the phase-detect autofocus that is standard on DSLRs. To this day, most Micro Four Thirds cameras continue to use a contrast-based focusing system. Although some current models, such as the Olympus OM-D E-M1 Mark II , feature a hybrid phase-detect/contrast detect system, Panasonic Lumix cameras continued to use

3584-491: The production of sensors with a lower stack height, improving sensitivity to off-angle light, eliminating the necessity of telecentricity and decreasing the distance from the image sensor at which a lens's rear element could be positioned without compromising light detection. Such a lens, however, would eliminate the room necessary to accommodate the mirror box of the single-lens reflex camera design, and would be incompatible with SLR Four Thirds bodies. Micro Four Thirds reduced

3648-498: The recently released Panasonic Lumix DMC-GH2 and G3 cameras. Olympus claims, based on in-house testing, that the E-P3 has the world's fastest autofocus speed of any camera as of the product announcement date. The benefits of the 120 Hz refresh rate also provides the ability for continuous autofocus tracking during bursts of exposures, a faster shutter response (less lag) and less blackout time between exposures. The E-P3 now uses

3712-473: The relative diameters of the Airy disks representing the limitation by diffraction are identical. Therefore, the equivalent f-numbers are varying. In this case, i.e., with the same luminous flux within the lens, the illuminance quadratically decreases and the luminous intensity quadratically increases with the image size. Therefore, all systems detect the same luminances and the same exposure values in

3776-459: The same motion blur (requires the same shutter speed), therefore the ISO setting must differ to compensate for the f-stop difference. The use of this is only to let us compare the effectiveness of the sensors given the same amount of light hitting them. In normal photography with any one camera, equivalence is not necessarily an issue: there are several lenses faster than f/2.4 for Micro Four Thirds (see

3840-442: The size and the aspect ratio of the sensor. However, the chip diagonal is shorter than 4/3 of an inch; the 4/3 inch designation for this size of sensor dates back to the 1950s and vidicon tubes, when the external diameter of the camera tube was measured, not the active area. The MFT design standard also specifies multiple aspect ratios: 4:3, 3:2, 16:9 (the native HD video format specification), and 1:1 (a square format). With

3904-402: The smaller the focal length is. Micro Four Thirds has several advantages over larger format cameras and lenses: Though many DSLRs also have "live view" functionality, these often function relatively poorly compared to a Micro Four Thirds electronic viewfinder (EVF), which has the following advantages: Olympus and Panasonic approached the implementation of electronic viewfinders in two ways:

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3968-499: The specified flange focal distance from 38.67mm to 19.25mm. This reduction facilitates smaller body and lens designs, and enables the use of adapters to fit almost any lens ever made for a camera with a flange distance larger than 19.25mm to a MFT camera body. Still-camera lenses produced by Canon, Leica, Minolta, Nikon, Pentax and Zeiss have all been successfully adapted for MFT use – as well as lenses produced for cinema, e.g. , PL mount or C mount . For comparison of

4032-846: The standard specifies a much reduced lens mount flange to imaging sensor plane distance of just 20 millimetres (0.79 in). Typically this so-called flange focal distance is over 40 millimetres (1.6 in) on most interchangeable lens cameras. The MFT system design flange focal length distance allows for, through use of an adapter, the possibility to mount virtually any manufacturer's existing and legacy still camera interchangeable lens (as well as some video and cine lenses) to an MFT body, albeit using manual focus and manual aperture control. For example, many theoretically obsolete 35mm film camera lenses, as well as existing current lenses for APS-C and full frame DSLR's are now usable on MFT cameras. As an example, an older (i.e., used, obsolete and low priced), but still high quality, 50mm f/1.8 "standard" lens from

4096-588: The tables under Fixed Focal Length Lenses, below), and there are certainly many lenses faster than f/4.8 for full frame. Although they can have shallower depth of field than a Nikon 1 at f/1.7, it can be seen as advantageous. However, a further aspect of image resolution is limitation by optical aberration , which can be compensated the better the smaller the focal lengths of a lens is. Lenses designed for mirrorless camera systems such as Nikon 1 or Micro Four Thirds often use image-space telecentric lens designs, which reduce shading and therefore light loss and blurring at

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