The Canon Speedlite 540EZ Shoe Mount Flash is a reliable and high-quality accessory designed specifically for Canon photography equipment. This flash unit is compatible with Canon digital cameras and is easily attached to the camera using its shoe mount design. With the reputable Canon brand behind it, photographers can trust in the performance and durability of this flash for capturing well-lit and professional-looking images. This is used and tested. It works to the best of my knowledge and testing abilities
eBay