UV Filter for Sony Cyber-shot DSC-HX400 - High Definition Ultra-Violet Filter (UV - 55mm) Absorbs UV light, which can cause outdoor photos to appear hazy and indistinct Clear filter provides no additional coloration or contrast, allowing you to pair this filter with others. Works as general protection filter to reduce dust, moisture, and scratches from reaching lens elements. Multi-Coating helps to reduce flare, ghosting, and reflections on the filter surface for greater contrast and color fidelity. Greater than 97% light transmission is possible, providing additional contrast and high color fidelity. Crafted from high quality, heat-resistant, high-transparency optical glass and a precision milled low-profile aluminum frame.