Sony | Indianapolis 500 | Sony BMG | Sony Music Entertainment | Fortune 500 | ATP World Tour 500 series | Sony Computer Entertainment | S&P 500 | Sony Pictures Entertainment | Alpha Phi Alpha | Daytona 500 | Sigma Alpha Epsilon | Kappa Alpha Psi | Sony Pictures Television | Alpha | Phi Mu Alpha Sinfonia | Pi Kappa Alpha | Alpha Blondy | Piper Alpha | Alpha Delta Phi | Alpha Centauri | alpha | Sony/ATV Music Publishing | Sony Entertainment Television Asia | Sigma Alpha Mu | Kappa Alpha Theta | ISO 3166-1 alpha-2 | Alpha Video | Alpha Kappa Alpha | Alpha Epsilon Pi |
The Sony Alpha a550 is "big brother" to the Sony Alpha a500, an almost identical DSLR with a smaller 12.3 megapixel APS-C CMOS sensor, no 7frame/s continuous shooting and a lower resolution LCD.