The E-mount is a lens mount designed by Sony for their NEX ("New E-mount eXperience") series of camcorders and mirrorless cameras.
Initially this mount is implemented in Sony Alpha NEX-3 and NEX-5 with APS-C sensor size. E-mount integration into Sony camcorder products is provided with the Sony Handycam NEX-VG10. On 24 August 2011 new products were announced, specifically the NEX-5N as a successor for the NEX-5, the NEX-7 as a prosumer product, as well as the NEX-VG20 as the successor to the NEX-VG10. The Sony E-mount is also implemented on 35 milimeter video camera of Sony FS-100. The successor to the NEX-3 named NEX-C3 was released a few weeks earlier. The NEX-C3 was replaced by the NEX-F3 in June 2012, which was succeeded by the NEX-3N in March 2013. The first third-party camera to use the E-mount is the Hasselblad Lunar, announced at Photokina on 18 September 2012 and expected to be released in early 2013.
In September 2013, Sony announced the first model from new ILCE series, the ILCE-3000. In October 2013, the first models with full-frame sensor size were released as ILCE-7 and ILCE-7R.
Material from http://en.wikipedia.org/wiki/Sony_E-mount
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