What is "e-mount"

E-mount or E mount may refer to:

• Sony E-mount (part of Alpha, Handycam, NXCAM, XDCAM, Cyber-shot and SmartShot families), a fully electronic bayonet lens mount for mirrorless digital system cameras introduced by Sony in 2010
• Hasselblad E-mount, the same camera mount since 2013
• Carl Zeiss E-mount (ZA), lenses designed for E-mount cameras