The new firmware provides compatibility with the recently launched LA-EA2 translucent mirror Lens Mount Adapter,The firmware update is for E-Mount models announced before Oct 2011, the models include αNEX-3, NEX-5, NEX-C3 cameras, as well NEX-VG10. Prior to this firmware update, the LA-EA2 only worked with the αNEX-5N , NEX-7 and NEX-VG20.
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