FAQ What are the recommended distance for the CFF2 fluorescent lamp and flash? The recommended distance for the CFF2 fluorescent lamp and flash is 5 ft. from the wall.What are the power outputs for the flash of the CFF2 model? The flash of the CFF2 model has power outputs of 250, 500, and 1000ws.How can I optimize the lighting setup with the CFF8, CFF2, and CFF4 models? You can optimize the lighting setup for the CFF8, CFF2, and CFF4 models by referring to the provided table.