Α mount system

α mount system or Alpha mount system may refer to:


 * Minolta A-mount system, an AF SLR system introduced by Minolta in 1985
 * Konica Minolta A-mount system, an AF DSLR system by Konica Minolta between 2004 and 2006
 * Sony α system, a camera system containing A-mount and E-mount digital cameras by Sony since 2006