The built-in variable power of the Vivitar 285HV auto professional flash provides you with fill flash and the ability to shoot properly exposed rapid-sequence pictures. This vertical bounce flash gives your photographs soft, professional lighting. The four f-stops give you control over the flash distance range and the depth of field, while the auto Thyristor circuitry allows for a faster recycling time as well as more flashes per set of batteries. This smart flash has a sufficient light indicator that allows you to make the most of your photos. Includes a variable power control with optional VP-1 remote sensor capability.

Features:

* Guide number: 36 DIN
* Zoom flash head
* Auto bounce control
* Thyristor battery saving circuit
* 4 auto f / stops
* Built-in vari-power control
* Sufficient light indicator
* Lighted calculator dial

Specifications:

* Guide Number: 120-ISO 100ft. / 36-DIN 21m
* Auto Range: 3-70ft. / 1-21.3m
* Flash Duration (Auto): 1/1000 - 1/30000sec
* Flash Duration (Manual): 1/1000sec
* Vertical Illumination Angle: 20-53°
* Horizontal Illumination Angle: 27-70°
* Color Temperature: 6,000°K
* Connections: Hot Shoe, Shutter Cord
* Power Source: 4 x AA batteries