Opteka IF-500 TTL Auto-Focus Dedicated Flash (IF-500) with LCD Display and Protective Case for Canon 80D 77D 70D 60D 60Da 50D 7D 6D 5D 5DS 1DS T7i T7s T7 T6s T6i T6 T5i T5 T4i T3i T3 SL2 SL1 DEDICATED - The Digitalmate 130N dedicated flash is a flash unit that fits into your camera's hot shoe. The dedicated flash is a great piece of gear that communicates with the camera. A dedicated flash is a far better tool than the built-in flash because of the versatility it gives you. AUTOFOCUS - The Digitalmate 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. 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 QUICK SPECS - Full TTL dedication, Backlit LCD screen, Guide number: 130 ft. (40m), Power save mode, Auto temperature control (overheat protection), Fine brightness control, Metal hot shoe, Rapid recycle time (0.2-6 seconds), Works on 2 AA batteries, Memory function (retains previous setting after restart) COMPATIBILITY - Canon EOS D30 D60 1D Mark II N III IV 1Ds Mk II III 1D X 1D X Mk II 1D C 5D 5D Mk II III IV 5Ds R 6D Mk II 7D Mk II 10D 20D 20Da 30D 40D 50D 60D 60Da 70D 77D 80D 100D 200D 300D 350D 400D 450D 500D 550D 600D 650D 700D 750D 760D 800D 1000D 1100D 1200D 1300D 2000D 4000D XT XTi XSi XS T1i T2i T3 T3i T4i T5 T5i T6 T6i T6s T7 T7i T100 SL1 SL2 Digital SLR Cameras