An updated version of the popular Canon AE-1, the AE-1 Program added a 'program exposure' mode to the previous camera's array of features. It was introduced in 1981, five years after the launch of the AE-1. In addition to program exposure, the AE-1 Program can also be used in shutter-priority or full manual modes.
Canon 20mm f2.8 FD SSC Lens on Canon AE-1 Program Camera - TTV
Here is a through-the-viewfinder view of the Canon 20mm f2.8 FD SSC mounted to a Canon AE-1 Program. This lens is very well suited to interior and architectural photography, as seen in this view of our lovely storefront.