Kirk FX-4 Flash X-Tender for Nikon SB800 and SB600 Speedlight

The Kirk FX-4 Flash X-Tender packs flat, weighs less than 3 ounces and sets up in 30 seconds and your flash output is extended to a minimum of 2 full f-stops! It brings your birds and animals to life with an eye highlight. When used with TTL (Through-The-Lens) flash metering, exposure is automatically handled by your camera and flash and no special compensation is required. It is suitable for Nikon SB600 / SB800 speedlight.