Vivitar DF-383 Professional TTL Power, Zoom High Power Auto Flash with Bounce & Swivel Head For The Nikon D3100 SLR Digital Camera Includes Bonus EN-EL14 Extended Life Replacement Battery Pack 1 Built In Flash Diffuser & 1 Reflector

Bounce and Swivel Function
Photos shot with full frontal flash are easily recognized by their harsh, dense shadows. This is often associated with a sharp drop of the foreground to the background. This phenomenon can be avoided with bounced and swiveled flashes. Diffused light will produce a soft and uniform shadow when the reflector is turned vertically at a 90°angle

Power Zooming
Automatic motor zoom control: If you are using zoom lens, which transmit its focal length to the camera will pass on this information to the flashgun. The flashgun then automatically adjusts its zoom position to comply with the focal length of the lens.

Slave Function
This flashgun can perform as a wireless slave by switching the Slave Mode Switch to position S position. The flashgun will automatically switch to M mode with power ratio 1:1. When the slave mode is on, the power saving mode will no function.

Power Saving Function
The flashgun will automatically be switched to power saving mode 3 minutes after:
The flashgun was switched on
The last flash was fired.

Key Features
LCD Display
Auto and Manual Zoom from 24-28-35-50-70-85mm.
Red Focus assist beam for low light focusing.
TTL metering.
Dedicated TTL, I-TTL
Automatic shutter speed setting.
5 levels of power ratio 1/1,1/2,1/4,1/8 and 1/16.
Flash readiness indication in viewfinder.
Built-in salve function.
Red-eye reduction
Built-in reflecting plate and diffuser.
Front and rear curtain synchronization.
Power saving function

Package Contents
ONE VIV-DF-323-NIK FLASH
1 Flash Diffuser
1 Bounce Reflector
Extended Life ENEL14 battery
Pouch For Flash
Table Stand
1 Year Warranty
SSE Cleaning Cloth