Le Canon ST-E3-RT vous offre un contrôle transparent sur votre photographie au flash créative. Le contrôle par radiofréquence assure un fonctionnement fiable même lorsqu'une ligne de visée directe n'est pas possible. Le ST-E3-RT simplifie les configurations d'éclairage complexes en facilitant la transmission sans fil bidirectionnelle radiocommandée jusqu'à 30 mètres, parmi un maximum de cinq groupes ou quinze Speedlites individuels ! Le ST-E3-RT représente la nouvelle génération de systèmes de flash sans fil. This item is sold as seen for spares or repair. Please read the description in full before purchasing. Spares and repairs items do not come with a warranty but do represent potentially excellent value. All faults or issues are fully described. Cosmetically this item would be placed within our Excellent condition rating. Please Note: Due to fautly electronics, this item has started to act erratically. After turning on the device, the custom functions menu will appear, even without pressing anything. This makes it impossible to adjust the exposure or customise settings as the device will keep going back to the custom function menu. As is the nature of these issues, this will only get worse with time.