Why UV Filters are Basically Useless on Modern Cameras

We’re going to ask a controversial question: What do UV filters do, exactly? A UV blocking filter, (not to be confused with a UV Bandpass filter, which has the opposite function) is perhaps the most standard lens filter out there. It’s sold with every beginner lens filter kit along with polarizers and ND filters, and sometimes it’ll even ship with your camera.

This Image Shows Every Color of Visible Light Emitted by the Sun

If you paid attention in high-school physics, you know that white light contains within it the rainbow of colors of the visible light spectrum: red, orange, yellow, green, blue and violet (and if you're Isaac Newton you throw Indigo in there for good measure).