Interfit S1a TTL and HSS Flash

The Interfit S1a is an affordable 500Ws, AC powered monolight with high speed sync and TTL for Canon and Nikon cameras. This unit is designed primarily for use in studio or for photographers who have already invested in external power packs with sine wave inverters. Slightly smaller than the S1, the S1a works seamlessly with its battery-powered counterpart at a 40% lower price point.... More