Attach the Canon Speedlite 600EX-RT shoe mount flash to your camera and get the desired illumination for your photos. This Canon camera flash has a guide number of 60 m (ISO 100), allowing you to place the flash away from the subject. The 20 mm-200 mm zoom range of this shoe mount flash helps widen or narrow the field of illumination according to your requirement. The swivel adjustment of this Canon camera flash helps soften the light by reflecting it off walls, reflectors, etc. With a recycle time of 0.1-5.5 seconds, the Canon Speedlite 600EX-RT lets you shoot continuously on a full charge.