Canon Speedlite 600EX-RT
E-TTL II/E-TTL Autoflash EOS DSLR
The maximum Guide No. is approximately 196.9 ft./60m at ISO 100 varies from approximately 85.3 ft./26m to 196.9 ft. /60m according to the flash coverage (20 to 200 mm).
When the extendable wide panel is pulled out, the flash coverage is 14 mm and the Guide No. is approximately 15/49.2
Number of Flashes
Approx. 100 - 700 flashes (with size-AA/LR6 alkaline batteries)
Normal flash: Approx. 0.1 - 5.5 sec.
Quick flash: Approx. 0.1 - 3.3 sec.
- With size-AA/LR6 alkaline batteries
- Flash-ready state indicated by beep sound
Effective flash range at ISO 100
* The flash shooting range can be calculated using the equation Guide No. ÷ set aperture value.
*Rounded off to the first decimal place.
High-speed Sync (at 1/250 sec.)
Four AA-size/LR6 alkaline or rechargeable Ni-MH or Lithium Batteries
External Power Source
Compact Battery Pack CP-E4
Approx. 3.1 (W) x 5.6 (H) x 4.9 (D) in. / 79.7 (W) x 142.9 (H) x 124.5 (D) mm
*Excluding color filter holder
Approx. 15.0 oz / 425 g