In Photokina 2010, Sony called Turo Katsumoto , a senior manager said the mass production version of professional -level engineering prototype semi-transparent mirror camera ( Sony China Branch has officially named micro-single) will be officially released in a year .Professional media speculate this product models may be α77.

Sony 's latest official picture , including a new flashing lights

Progress Edition " Project Model " , the foreign media speculates their model α77, for the design of fixed semi-transparent reflective panels

From this version of "engineering prototype" , it's similar to α700, and joined the "shoulder-screen"(professional SLR symbol ). Parameters are known now, using the Exmor APS-C HD CMOS, can be taken to achieve automatic focusing AVCHD Full HD video and the use of dual-card CF + Memory Stick storage.