Sony's 46.1 mm bayonet mount with 18 mm flange distance for mirrorless cameras. Enables compact lenses and third-party optics via adapters.
The E-mount system operates with a diameter of 46.1 mm and a flange depth of 6.5 mm, utilizing eight electrical contacts for transmitting aperture control, image stabilization, and autofocus data. The short 18 mm sensor flange distance allows for compact lens designs and the adaptation of third-party lenses via appropriate adapters. Sony differentiates between FE lenses (full-frame, 35mm sensor) and E lenses (APS-C sensor). The mount transmits up to 60 fps of image data and supports advanced features like Eye AF and Real-Time Tracking.
Sony introduced the E-mount system in 2010 with the NEX-3 and NEX-5 to compete with Micro Four Thirds and other mirrorless systems. In 2013, Sony expanded the system with FE lenses for full-frame sensors with the α7 series. A turning point came in 2017 with the α7R III, which attracted professional filmmakers with its 4K recording capabilities. Today, the E-mount lineup includes over 60 native lenses from Sony and third-party manufacturers like Sigma, Tamron, and Zeiss.
Cinematographer Roger Deakins used Sony FX9 cameras with E-mount for parts of "1917" (2019), while the FX6 with E-mount was employed for special shots in productions like "The Mandalorian." The system allows for quick lens changes between different focal lengths without mechanical adjustment. Especially in documentary work, cinematographers appreciate the compact dimensions and the ability to use vintage lenses via adapters. Electronic image stabilization works internally with compatible lenses.
Unlike Canon's RF mount (54mm diameter) or Nikon's Z mount (55mm), E-mount offers a smaller diameter, enabling more compact lenses but limiting the maximum aperture for telephoto lenses. PL-mount remains the standard for high-end cinema productions, while E-mount dominates hybrid photo/videography. EF-mount lenses can be used via Metabones or Sigma MC-11 adapters, with autofocus performance varying. For pure cinema applications, E-mount competes with RED's proprietary mounts and ARRI's LPL-mount.
Als DoP schätze ich das E-Mount-System für seine Vielseitigkeit bei Handheld-Aufnahmen und die präzise elektronische Fokussteuerung, die mir ermöglicht, auch bei extremen Lichtverhältnissen saubere Schärfeverlagerungen zu fahren. Die kompakten FE-Objektive reduzieren das Gewicht meines Rigs erheblich, besonders bei Gimbal-Arbeiten oder in beengten Räumen.
Ich nutze das E-Mount-System vor allem für seine Flexibilität bei spontanen Einstellungen – der schnelle Wechsel zwischen Weitwinkel und Tele ohne aufwendige Umbauten erlaubt mir, den Rhythmus einer Szene aufrechtzuerhalten. Die Silent-Shooting-Modi der E-Mount-Kameras sind unschätzbar bei intimen Dialogszenen, wo jedes Kamerageräusch die Atmosphäre stören würde.
E-Mount-Kameras und -Objektive kosten deutlich weniger als vergleichbare Cinema-Systeme und reduzieren meine Ausrüstungskosten um 30-40% gegenüber traditionellen PL-Mount-Setups. Die Kompatibilität zwischen verschiedenen Sony-Modellen minimiert Redundanzen im Equipment-Pool und die kompakten Abmessungen senken Transport- und Versicherungskosten bei internationalen Produktionen.
1. Zu welchem Department gehört „E-Mount"?
2. Wie viele verschiedene Fachperspektiven bietet dieser Eintrag?
The Lexikon is part of the Filmfarm ecosystem — alongside budgeting (FilmBalance), an industry magazine (FilmCircus) and crew networking (FilmCall, CrewMesh). One shared vocabulary for the whole production.