Canon 600EX-RT

Main Features

• Compatible Cameras: E-TTL II/E-TTL Autoflash EOS DSLR
• Guide Number: 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)
• Recycling Time:  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
• Flash Range:  Effective flash range at ISO 100
• Normal Flash: The flash shooting range can be calculated using the equation Guide No. ÷ set aperture value.
• High-speed Sync (at 1/250 sec.)
• AF Assist Beam
• System: Near-infrared light pattern projection method
• Linkable AF Points: Supports 1 to 61-Point High Density Reticular AF
• Custom Functions: 18 Functions
• Personal Functions: 7 Functions
• Power Source: Four AA-size/LR6 alkaline or rechargeable Ni-MH or Lithium Batteries
• External Power Source: Compact Battery Pack CP-E4
• Dimensions: 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
• Weight: Approx. 15.0 oz / 425 g