Opteka IF-980 E-TTL AF Dedicated Flash w/Bounce, Zoom, Tilt, LCD Display for Canon EOS Digital SLR Cameras 80D 7D 77D 70D 60D 60Da 50D 7D 6D 5D 5DS 1DS T7i T7s T7 T6s T6i T6 T5i T5 T4i T3i T3 SL2 SL1 MULTI POSITION - The Opteka IF-980 has an adjustable tilt head with six positions: -7 to 90. The -7 downward tilt allows you to fully illuminate your subject when shooting close-up. You can also twist it to the left up to 90 and to the right up to 180. MULTI ZOOM - The Opteka IF-980 covers a 24-180mm range (in 35mm full frame format) and extends to 18-180mm with the diffuser panel in place. In auto mode the zoom range is stepless, it does not set at 24mm, 35mm, etc, but matches the exact focal length of the zoom lens for optimal lighting. LOW LIGHT AUTO FOCUS - The Opteka IF-980 has an autofocus assist for low-light photography. Additionally the flash provides an independent AF assist. When a flash is mounted to the camera, the AF Assist option is enabled. The normal AF Assist light will not be used, instead the flashes autofocus assist system will take effect. E-TTL - The flash and ambient light are reflected by the subject through the camera lens and then metered by the camera's TTL metering system. The flash power is adjusted accordingly. A digital camera TTL flash system, often known as E-TTL, involves firing a pre-flash before the actual exposure SPECIFICATIONS - Guide 85m / 278'@ ISO 100, Red Eye Reduction, Auto Focus Target Assist Illumination, On-Camera E-TTL, Wireless Capability, Slave Mode S1 and S2, Multi-Stroboscopic Flash Mode, Manual Flash Mode, Built-In Wide Angle Diffuser and Bounce, Up to 1500 Flash Cycles Per Charge (must use rechargeable batteries), Recycle Time 2.9s, 2.1" Backlit LCD, 7 to 90 Degree Tilt, 180 Degree Rotation, PC Sync Port, 1 Year Opteka Warranty