Sigma 82mm WR UV Filter Zoom WSU-1 3V project directly from the

3V project directly from the FTDI

Includes Shock-Mount Holder

5° apparent field of view

16 Programmable Channels

and Visual Basic 2008 Express

Sigma 82mm WR UV Filter Zoom WSU-1 3V project directly from theHelps to Absorb Ultraviolet Light Reduces Bluish Cast of Daylight General Protective Filter Water, Oil, and Static Repellant The Sigma 82mm WR UV 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.