This vintage Sunpak Thyristor Auto 311 electronic flash unit is a must-have for any film camera enthusiast. With its hot shoe compatibility and universal fit, this flash unit is suitable for a wide range of cameras. Featuring reliable Sunpak brand quality, this flash unit is perfect for adding extra light to your photos. Its compact design makes it easy to take with you on the go, and its intuitive controls make it simple to use. Whether you're an experienced photographer or just starting out, this Sunpak Thyristor Auto 311 flash unit is an excellent choice for enhancing your photography.