Sony's E-mount is a lens mount system designed for their mirrorless cameras, introduced in 2010. It allows for a compact design, enabling smaller and lighter camera bodies while maintaining high image quality. The E-mount supports a wide range of lenses, including both Sony's own offerings and third-party options. The E-mount features a short flange distance, which facilitates the use of various lens adapters. This versatility allows photographers to use lenses from different systems, expanding creative possibilities. Overall, the E-mount has become popular among both amateur and professional photographers for its flexibility and performance.