The new Canon Speedlite 600EX-RT II improves on the previous version with continuous flash performance by 1.1-1.5x, simpler menus and Quick Flash settings speed up recycle time and flash duration. The guide number is 197 ft./60m at ISO 100 and 200mm. It uses wireless two-way radio communication to operate as a master or a slave unit.
It is compatible with the Canon ST-ET-R3 transmitter and all the Canon camera bodies we offer.
Requires 4 AA alkaline batteries, not included.
Accessories supplied with flash:
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Table stand
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Instruction manual
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Soft padded case