The Panasonic Lumix S1 and Lumix S1R are best selling L-mount mirrorless cameras. To shoot better pictures, you’d better get a flash for Panasonic Lumix S1 and S1R. Currently, there are plenty of Best Flashes/Speedlites for Panasonic Lumix S1 and S1R, we have reviewed and tested most of the flashes, and below are our top recommended ones for Panasonic Lumix S1 and S1R: