B01FV470M0 Canon Speedlite 600EX II-RT with Deluxe Accessory Bundle and Starter Kit

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This revision improves continuous flash performance by up to 2.0x
The two-way 2.4 GHz radio system provides added reliability and a range up to 98.4′ among up to 5 groups with a total of 15 individual Speedlites.
Features a guide number of 197 ft. (60m) at ISO 100 to help achieve the desired lighting
For optimal performance in any situation, the Speedlite 600EX II-RT includes the SBA-E3 Bounce Adapter and SCF-E3 Color Filter for 600EX II-RT
Bundle includes a SBA-E3 Bounce Adapter and SCF-E3 Color Filter for 600EX II-RT