Sony A77's not a DSLR camera, because it uses a light-splitting prisms.
Sony A77 specifications: new 24mp APS-C sensor, 3 Million dots OLED viewfinder, better viewfinder but no hybrid mode like Fuji X100, dual memory slot , support CF+SD+MS memory card, better autofocus, better body built , magnesium allow, no flip-up mode, full HD, high ISO , up to hundreds of thousands ( 102.400 ?? ), long battery capacity able to shoot 1000 pictures per charge, on level with Canon EOS 60D
