Complete with built-in radio transmission wireless functionality, the Speedlite 600EX II-RT sits at the top of Canon's on-camera E-TTL / E-TTL II compatible flash lineup with a powerful guide number of 197' at ISO 100 and 200mm. This revision improves continuous flash performance by 1.1-1.5x, or up to 2.0x with optional battery pack, simplifies the menu system for faster operation, and includes a specially designed bounce adapter, a hard colour filter, and an updated soft case. 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. This system also does not need direct line-of-site like traditional optical-based transmission and will work through obstacles.
For added coverage and functionality, the flash's zoom head can reach from 20-200mm, with the option for wide 14mm coverage when the built-in diffusion panel is used. Also, the unit can tilt from -7 to +90° and rotate 180° either left or right for complete bounce capabilities. On the back of the 600EX II-RT is a backlit dot-matrix LCD panel that displays the status and allows users to easily access and change settings. Additionally, the flash is durable with a redesigned contact construction and improved dust and water resistant sealing.
Other capabilities of the 600EX II-RT include a stroboscopic mode as well as high-speed, first and second curtain sync settings for more control over your image's final look. The flash is powered by 4 AA batteries and has a port for an optional external power pack. The rated recycle time is 0.1-5.5 seconds, but can be sped up to 0.1-3.3 seconds in Quick Flash mode. It comes with a bounce adapter, a hard CTO filter set, a mini stand, and an updated soft case that holds the flash and accessories.
Guide No. 197' (60.05 m) ISO100 at 200 mm position
Exposure Control E-TTL / E-TTL II, Manual
Angle of Coverage 94° - 12°
Wide-Angle Adapter 114°
Vari-Power 1/1 - 1/128
Bounce Head -7° to +90°
Swivel Head 360°
Coverage 14 mm - 200 mm (Full frame)
Distance Range 1.64 to 98.43' (0.5 to 30 m) at f/1.4
Zoom Head Full frame: 20 mm - 200 mm
Off-Camera Terminal PC, Proprietary
Recycle Time Approximately 0.1 - 5.5 seconds
Flash Duration 0.0018 - 0.0023 sec @ Full Power
Flash-Ready Indicator Yes
Compensation -3 EV to +3 EV (in 1/2 and 1/3 EV steps)
Wireless Operation Method: RF
Distance Up to 98.43' / 30 m
Method Optical pulse
Distance Up to 49.21' / 15 m
Wireless Communication Channels 4 Channels
Wireless Groups 5 Groups
Power Source 4x AA Alkaline, Lithium, Rechargeable NiMH Batteries
Dimensions (WxHxD) 3.1 x 5.6 x 4.9" / 80.0 x 143.0 x 125.0 mm
Weight 15 oz / 425 g without batteries
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