Powerextra DF-660 E-TTL Speedlite Flash for Canon EOS Rebel T2i T3 T3i T4i T5 T5i SL1 20D 30D 40D 50D 60D 70D 7D 5D 5D mark II & III 6D 7D mark II and others Canon DSLR with Single-contact Hotshoe

Advantage:
E-TTL/E-TTL II Mode:
With the Canon E-TTL/E-TTL II flash system,the flash light function to automatic balance the light intensity during flash shooting through camera photometry system so as to obtain optimized flash exposure
Photographing mode under E-TTL,the flash light function supports exposure compensation,exposure bracketing,front curtain sync,rear curtain sync automatic exposure lock,aperture preview,contrast-enhanced flash and canon camera menu accessing function as well.

MULTI mode:
Multiple flash mode is able to trigger flash in series rapidly,so that multiple images of moving object can be photographed in one photo.Flash light trigger flash according user's setting of output power rating,flash quantity and flash frequency,which setting via function key.

Specification:
Circuit design:insulated gate bipolar transistor(IGBT)
Guide No.:58(105mm,ISO 100/1 meter)
Flash mode:Canon E-TTL II,E-TTL,M,MULTI
Wireless mode:Canon wireless TTL,S1,S2
Wireless slave groups:3 group(A,B and C)
Wireless channel:4
Flash coverage:24-105mm(16mm with wide panel)
Vertical angle:-7~90 angle
Horizontal angel:0~270 angle
Internal power:four size-AA batteries
Battery life:110-1500 flashes
Recycle time:approx. 3s
Color temperature:5800K
Flash duration:1/200 second~1/20000 second
Flash power adjustment:8 levels of output control(1/128~1/1),28 level of fine turning
Dimensions:78.0*146.0*118.5mm
Weight:390g

• With the Canon E-TTL/E-TTL II flash system,the flash light function to automatic balance the light intensity during flash shooting through camera photometry system so as to obtain optimized flash exposure.Photographing mode under E-TTL,the flash light function supports exposure compensation,exposure bracketing,front curtain sync,rear curtain sync automatic exposure
• In M mode,you can set the flash output for 1/128 to 1/1 full power in 1/3-stop increments.It also has wireless S1/S2 mode
• Head Rotation: Vertical Rotation Angle: -7~90 Degrees, Horizontal Rotation Angle: 0~270 Degrees
• Multiple flash mode is able to trigger flash in series rapidly,so that multiple images of moving object can be photographed in one photo.Flash light trigger flash according user's setting of output power rating,flash quantity and flash frequency,which setting via function key. Output intensity of light flash:manual control output level form 1/4 to 1/128.
• Perfectly compatiable with: Canon Rebel T3i, T2i, T4i, T5i, EOS 600D, 550D, 650D, 700D, Kiss X5, X4, Kiss X6 and All Other Canon DSLR Cameras

With the Canon E-TTL/E-TTL II flash system,the flash light function to automatic balance the light intensity during flash shooting through camera photometry system so as to obtain optimized flash exposure.Photographing mode under E-TTL,the flash light function supports exposure compensation,exposure bracketing,front curtain sync,rear curtain sync automatic exposurePowerextra