Camera mount shoe supported
Flash Zoom coverage
(14mm) 24–200 mm
(14mm) 20–200 mm
(14mm) 24–200 mm
Bounce angle (max.)
-7° to 120° / -180° to 180°
-7° to 90° / -180° to 180°
-7° to 120° / -180° to 180°
Autoflash support
- / E-TTL / E-TTL II
TTL / E-TTL / E-TTL II
- / E-TTL / E-TTL II
Manual flash output setting range (high speed sync)
1/1 to 1/1024 (1/128)
1/1 to 1/128 (1/128)
1/1 to 1/8192 (1/128)
External flash metering sensor
―
Yes
Yes
Continuous shooting priority (CSP) mode
―
―
Yes
Custom flash mode
Yes (C1, C2, C3)
―
―
FE memory
Yes
―
Yes
Modelling lamp
Yes (white)
―
Yes (bi-colour)
Modelling flash (when mounted on a camera)
―
Yes
Yes
Optical / Radio wireless functionality
Radio only
Optical / Radio
Optical / Radio
Modelling lamp on/off (Radio)
Yes
―
―
Modelling flash (Radio)
As receiver unit only with a compatible camera and Speedlite as sender
Yes
Yes
Joystick control
Yes (customisable)
No
Yes
(Flash) Menu direct button
Yes
No
No
AF-assist beam
White LED
Infrared
Infrared
Recharge time (normal flash) Based on Canon's testing standards.
Based on Canon's testing standards.
Approx. 0.1–1.2 sec
Approx. 0.1–5.5 sec
Approx. 0.1–0.9 sec
Estimated number of continuous full power flashes (approx.) Continuous flash count at full output until flash firing restriction level 1. EL-5/EL-1: Using a new, fully charged LP-EL; 600EX II-RT: Using new AA/LR6 alkaline batteries. Set to manual flash and based on Canon measurement standards.
Continuous flash count at full output until flash firing restriction level 1. EL-5/EL-1: Using a new, fully charged LP-EL; 600EX II-RT: Using new AA/LR6 alkaline batteries. Set to manual flash and based on Canon measurement standards.
85
100
160
Flash count at full power (approx.) Based on Canon's testing standards.
Based on Canon's testing standards.
Battery
LP-EL (Rechargeable Li-ion)
4 x size-AA batteries
LP-EL (Rechargeable Li-ion)
Battery level indicator
Yes
―
Yes
Dimensions (approx. width × height × depth)
80.2×139.9×123.3 mm
78.7×143.2×122.7 mm
84.4×149.0×136.4 mm
Weight (approx.) Speedlite only, without battery
Speedlite only, without battery
491 g
435 g
572 g
Weather resistance
Yes (equivalent to EOS R5)
Yes (equivalent to EOS-1D)
Yes (equivalent to EOS-1D)
Active Cooling
Enhanced passive cooling design
―
Yes
External power source socket
―
Yes
Yes
Sync terminal
―
Yes
Yes
Bracket attachment screw holes
―
Yes
―
Canon colour filters and bounce adapter supported
―
Yes
Yes