Historically, using a UV filter was especially useful in old film photography because of how sensitive film was to UV light. Most modern film cameras, however, aren't affected by UV rays.

Now's a great time to learn photography. The best camera phones are more affordable than ever, and the market for professional-grade cameras is thriving if you want to upgrade. Along the way, you ...

Sandmarc has just launched a new Kickstarter campaign to bring quality polarizing and neutral-density filters to the iPhone camera.