✪Helps absorb ultraviolet light and reduce the bluish cast of daylight
✪Helps reduce dust, moisture, and scratches from reaching lens elements
✪Crafted from 0.03"optical glass, double sides 12-layers of multi-resistant coating prevents internal ghosting and reflections while providing over 99.5% light transmission
✪ltra slim design (only 0.12" thick) to avoid vignetting on wide angle lenses
✪Useful as a basic protective filter to leave on lenses at all times