Take a new approach to lighting with a Speedlite flash thats powerful, versatile and portable. A movable flash head allows light to be bounced from large surfaces like walls or ceilings, creating soft, shadow-free lighting that's perfect for portraiture. The Speedlite 430EX III-RT can be fired while off-camera using radio-frequency or optical triggering, giving you more versatility and creativity on shoots. For radio-frequency triggering, the camera flash can be placed up to 30 m away from the camera without being in direct line of site.BenefitsShoot flattering portraits using bounced lightIntegrates with other Speedlites as part of the EOS familyThe guide number is the distance the flash can illuminate a subject.The higher the guide number, the greater the distance you can reach.This flash has GN 43 m at ISO 100The LCD screen shows settings and shooting information at a glance, and is illuminated for low-light conditionsTime taken to recharge flash after full discharge using Alkaline