When searching for a flash unit, there are not many options that can out-perform the Metz in image quality and response time. The Metz 58 AF-1 is no different: its ease of use, high light output, and refresh time are second to none. The flash offers a wide zoom range of 24-105mm and a guide number of 58 m at ISO 100. The Metz 58 AF-1 is the perfect choice for amateurs and professionals alike. If you are in the market for a flash unit to coordinate with your Canon camera, look no further! Add the Metz 58 AF-1 to your collection today.