Cokin Ultra violet (UV) Filter 30mm for Camcorder ideal for camcorder. Protect your video from haze while protecting your lenses from scrotches. This filter blocks UV light, the number one couse for haze, allowing you to captur clear outdour shots. Just as important, it works as a protective shield against outdoor elements that could scratch the glass of you lens. This filter has been equipped so you could attach other filters without removing this one, making this the one "must have" filter.