Tiffen 37mm UV Protector Filter Zoom HS-1 with the barndoors @ normal

with the barndoors @ normal position

2 A per coil with sufficient additional cooling)

Guide Number 90' @ ISO 100 Power 45 watt-seconds (45 joules) Flash Duration 1/500 - 1/1000 sec Beam Angle 60° Recycle Time 3 - 5 sec Triggers Slave

60  cm Weight 26

Tiffen 37mm UV Protector Filter Zoom HS-1 with the barndoors @ normalHelps to Absorb Ultraviolet Light Reduces Bluish Cast of Daylight General Protective Filter ColorCore Technology The Tiffen 37mm UV Protector Filter is a general use, clear filter that helps to absorb ultraviolet light and reduce the bluish cast of daylight. This filter is especially useful when photographing at high altitudes or around bodies of water. No additional coloration or contrast is provided, allowing you to pair this filter with others. The