Filters improve image quality by reducing unwanted ambient light.

• Infrared filter blocks visible light and passes infrared light (included with infrared lights).
• Blue filter improves quality by reducing ambient light; it passes blue and infrared light.
• Green filter improves quality reducing ambient light; it passes green and infrared light.
• Red filter improves quality by reducing ambient light; it passes red and infrared light.
• Clear protective ultraviolet filter is for use with high-performance lenses.