- Brand: Canon - Model Name: Speedlite 177A - Features: With light meter - Mounting Type: Hot shoe Thank you for viewing. Purchased in 1980, one owner (the seller). A TTL auto strobe designed mainly for the A series cameras of the time, such as the Canon AE-1. Comes with a valuable instruction manual, a dedicated case, and an included diffuser. Operation confirmed before listing. Uses 4 AA batteries (batteries are not included in the listed item).