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The Multi Interface Shoe ( MI Shoe or MIS) is a proprietary camera
hotshoe Canon EOS 350D Hot shoe Proprietary hot shoe used by Minolta and older Sony cameras (Konica Minolta Maxxum 7D">Sony.html" ;"title="Minolta and older Sony">Minolta and older Sony cameras (Konica Minolta Maxxum 7D) A hot shoe is a mounting poin ...
introduced by Sony in 2012, replacing an assortment of other proprietary hotshoes used by Sony in various types of cameras in the past.


Overview

The ''Multi Interface Shoe'' is a proprietary camera hotshoe introduced by
Sony , commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
on 12 September 2012, replacing an assortment of other proprietary hotshoes used by Sony in various types of cameras in the past, including the
Auto-lock Accessory Shoe iISO (intelligent ISO) flash shoe (aka "reversed" hotshoe) is the unofficial name for the proprietary accessory flash attachment and control interface used on Minolta cameras since the i-series introduced in 1988, and subsequently Konica Minol ...
(aka AAS or "iISO" shoe) introduced by
Minolta was a Japanese manufacturer of cameras, camera accessories, photocopiers, fax machines, and laser printers. Minolta Co., Ltd., which is also known simply as Minolta, was founded in Osaka, Japan, in 1928 as . It made the first integrated autofocu ...
in 1988 and used on
Sony α Sony α (the lower case to Greek language, Greek letter Alpha (letter), alpha, often transliterated as ''Sony Alpha'') is a digital camera system introduced on 5 June 2006. It uses and expands upon Konica Minolta camera technologies, inclu ...
DSLR A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor. The reflex design scheme is the primary difference between ...
s, SLTs and some NEX cameras, and the
Smart Accessory Terminal Smart or SMART may refer to: Arts and entertainment * ''Smart'' (Hey! Say! JUMP album), 2014 * Smart (Hotels.com), former mascot of Hotels.com * ''Smart'' (Sleeper album), 1995 debut album by Sleeper * '' SMart'', a children's television se ...
s types 1 (SAT) and 2 (SAT2) used on the majority of the Sony α NEX-line. It also replaces Sony's former
Cyber-shot Cyber-shot is Sony's line of point-and-shoot digital cameras introduced in 1996. Cyber-shot model names use a DSC prefix, which is an initialism for "Digital Still Camera". Many Cyber-shot models feature Carl Zeiss trademarked lenses, while othe ...
hotshoe, Intelligent Accessory Shoe (IAS) and
Active Interface Shoe Active may refer to: Music * ''Active'' (album), a 1992 album by Casiopea * Active Records, a record label Ships * ''Active'' (ship), several commercial ships by that name * HMS ''Active'', the name of various ships of the British Roya ...
(AIS). At first sight, the Multi Interface Shoe resembles a standard
ISO 518 Canon EOS 350D Hot shoe Proprietary hot shoe used by Minolta and older Sony cameras (Konica Minolta Maxxum 7D">Sony.html" ;"title="Minolta and older Sony">Minolta and older Sony cameras (Konica Minolta Maxxum 7D) A hot shoe is a mounting poin ...
hotshoe with middle contact and frame ground and without any vendor-specific extra contacts, but additional electrical contacts are hidden under the front of the hotshoe. Therefore, the hotshoe is mechanically compatible with any ISO 518-based equipment, and while it does not allow to control third-party flashes, ISO-based flashes can be triggered at least. The hotshoe also features three holes in its metal base in order to support an optional locking mechanism in the flash or other hotshoe device. It does not, however, provide an auto-locking mechanism as on the Auto-lock Accessory Shoe. Electrically, the Multi Interface Shoe includes all signals of both the Auto-lock Accessory Shoe and the Smart Accessory Terminal 2, thereby allowing passive electromechanical adapters to be used. For this purpose, Sony provides ADP-MAA (top: Auto-lock, bottom: MIS) and ADP-AMA (top: MIS, bottom: Auto-lock) adapters. Both adapters route through the "F2" and "F3" signals; the Auto-lock hotshoe's "F1" signal is connected to the middle contact of the Multi Interface shoe, not pin 20 ("F1#"), which is left open. MIS pins 7 and 15 ("REG_GND") are internally connected to both sides of the frame as well as to the GND signal of the Auto-lock shoe's side. "MIC_GND" pin 4 is left open. The ADP-AMA's Auto-lock hotshoe features a switch, which shorts MIS pin 21 ("PGND") to "GND" when the adapter is mounted on a hotshoe without hole (as on a camera, or with ADP-MAA or FS-1200). Otherwise pin 21 is left open in the adapter (indicating wired or remote use). Assuming that pin 21 is tied to PGND in a camera's hotshoe, this allows flashes compatible with the Multi Interface Shoe to detect if they are mounted on the camera or not as it is necessary for ADI to work. In the ADP-MAA adapter, pins 2 and 3 ("ID2" and "ID1") are directly connected to GND, whereas pin 1 ("ID3") is pulled low via a 470 kΩ resistor. The first cameras to use the Multi Interface Shoe are the SLT-A99, NEX-6, NEX-VG900, NEX-VG30, DSC-RX1 and DSC-HX50. It is also used on all newer cameras including the ILCA-series and ILCE-series. In 2014, the
Hasselblad HV The Sony Alpha 99 was announced by Sony on September 12, 2012. It was the flagship Sony DSLR camera and of the Sony Alpha SLT line until late 2016 when it was replaced by the Sony α99 II. It features the 24.3MP 35mm full-frame Exmor APS HD C ...
has become the first third-party camera to support the Multi Interface Shoe as well. In 2013, Sony released a third hotshoe adapter, named ADP-MAC. It allows to mount equipment with Active Interface Shoe onto cameras with Multi Interface Shoe. The Multi Interface Shoe was integrated into the existing Minolta/Sony TTL flash cable system by the introduction of the flash shoe FA-CS1M (VX9371), a remote hotshoe with four-pin TTL cable port and a Multi Interface Shoe on its top and bottom.


Electronic contacts


References

{{Reflist, refs= {{cite web , url=https://www.sony.com/electronics/support/articles/00021059 , title=What accessories are compatible with the Multi Interface Shoe Adapter? , publisher=
Sony , commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
, date=2015-06-03 , access-date=2018-08-05
Sony flashes for Multi Interface Shoe Sony A-mount cameras Flash mounts