Sony SLT-A57 In-Depth Review: Digital Photography Review
Sony Alpha A57 SLT Digital SLR Review | ePHOTOzine
Sony A57 is in the Lab and I have some High Res Photos and HD Video of the Camera and 24-70mm f/2.8 Carl Zeiss Lens!! – SonyAlphaLab
SLT-A57 主な仕様 | デジタル一眼カメラα(アルファ) | ソニー
Sony A57 DSLR Review | Shutterbug
Amazon.com: Sony Alpha SLT-A57K 16.1 MP Exmor APS HD CMOS Sensor DSLR con tecnología de espejo translúcido, panorama de barrido 3D y lente de zoom de 0.709-2.165 in : Electrónica