page_title: Sony E-mount
section_title: Adapting lenses to Sony E-mount
hierarchical_section_title: Sony E-mount / Adapting lenses to Sony E-mount
caption_attribution_description: English: Sony A7 with Contax G 28mm F2.8 Zeiss lens.
context_page_description: The E-mount is a lens mount designed by Sony for their NEX and ILCE series of camcorders and mirrorless cameras. The E-mount supplements Sony's A-mount, allowing the company to develop more compact imaging devices while maintaining compatibility with 35mm sensors. E-mount achieves this by:
  Minimizing mechanical complexity, removing mechanical aperture and focus drive.
  Shortening the flange focal distance to 18 mm compared with earlier offerings from Sony which used 44.5 mm.
  Reducing the radius of the flange.
  The short flange focal distance prohibits the use of an optical viewfinder as a mirror box mechanism cannot be included in this reduced distance. Therefore all E-mount cameras use an electronic viewfinder.
context_section_description: Due to the short flange focal distance of the Sony E-mount, many lenses can be adapted to be used on the Sony E-mount, although a crop factor will have to be taken into account for all cameras with APS-C or Super-35mm sensor format. Additionally, with the introduction of in-camera image stabilization to Sony's newer mirrorless cameras, any adapted lens (regardless of age, brand, or lens mount) can be image stabilized.
  Nearly all manual lenses can be attached with simple ring-like adapters to Sony's mirrorless cameras, such as for Canon FD, Minolta MC/MD, Leica M, and many others. Manual focus lenses that transmit EXIF data will require an adapter with electronic contacts, which are generally more expensive to produce.
  Adapting autofocus lenses to Sony's older E-mount cameras (such as the Sony α6000 and α7) can often be ineffective due to the inability of the camera body to effectively lock-on to a subject, resulting in either hunting or missed focus. This has largely been remedied in recent years with improved lens adapter performance, as well as the introduction of faster, more accurate autofocusing systems to Sony's more recent cameras (such as the Sony α6500 and Sony α9).
caption: Sony α7 with an adapted Carl Zeiss Biogon 28mm F2.8 lens for Contax G mount.
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