The FL-14 is an easy-to-operate external flash with a design that matches the E-1 Pen. With an equivalent GN (Guide Number) of 14, you can accomplish flash shooting with a stable light and optimum brightness.
Olympus FL-14 Flash Specifications
Silver metal exterior fits to the camera body design
Guide number 20 at ISO 200
28mm equivalent coverage
AAA batteries x2 provide about 80 shots at full power