Functions:

a), TTL Mode, the metering system of this camera will detect flash illumination reflected back from the object so as to automatically control flash output in this mode. In this E-TTL mode, you can also make compensation of flash brightness with the " Output control knob" within the range of ??1.5ev, with the precision of 0.5ev. (The compensation value can be added to the compensation value set on the camera.).

b), M mode, you can set flash luminance as per your favorite, luminance level will be displayed by luminance indicator. When taking photos, you only require setting the flash luminance, adjust the camera and press the shutter, the flash light will flash under the camera synchronous signal.

c), Auto Zoom, The flash speedlite will move forward and backward with the changes of lens focus to suit different illumination zones when it is mounted on the camera which supports E-TTL Function, the zoom range is 24mm - 85mm.

d), S1 Mode, it will work with the first work of the master flash synchronously in this mode, with the result consistent with the use of radio slave. (When you use this mode, your master flash should be set at manual flash, the TTL flash system with pre-flash function and the red-reduction function with multiple flashes should not be used.).

e), S2 Mode, it is very similar to S1 mode, but it can support the master flash in TTL mode. In particular, if S1 mode can not have correct and synchronous flash with the inbuilt flash, you can try to use S2 mode.

Advanced Application:

Multi-Flash Lighting Application.

Exposure Bracketing (FEB).

Rear-curtain Sync.

FV Lock (This function can only be available when your camera supports it, for the setting of AE-L and AF-L, refer to your camera manual).

Application of AF LED.

Exposure Compensation.

Reflection Flash.

Use Reflection Board to take photos.

Use Wide-angle Diffuser.

Suitable for:

Nikon: D300s D300 D200 D90 D80 D70S, D70 D5000 D3000 D60 D40x D40. (Not suitable for full frame cameras: D3 series, D2 series, D800, D700.).