Canon Speedlite 177A External Flash for A-Series Film Cameras Black Japan Tested Tested and works. Some residual corrosion in battery compartment. Battery contacts clean. No batteries included. Vintage Canon Speedlite 177A external camera flash unit designed for A-series film cameras like the AE-1. This compact electronic flash features an integrated calculator dial for ASA/DIN settings and distance, an automatic exposure mode, and a ready light indicator. The unit mounts via a standard hot shoe and operates on four AA batteries. It retains its original battery compartment cover and shows a clean interior, making it a reliable addition to a classic film photography kit. Measurements: • Height: 4.25" • Width: 2.75" • Depth: 2.25" #Retro