Polaroid Optics 72mm Multi-Coated Circular Polarizer Filter [CPL] For &lsquo;On Location&rsquo; Color Saturation, Contrast & Reflection Control&ndash; Compatible w/ All Popular Camera Lens Models CIRCULAR POLARIZER FILTER  An Essential For Every Photography Kit. Eliminate Reflections from Glass & Water. And Gives You Control of Color Saturation; Make Blue Skies Bluer, Green Grass Greener. MORE INTENSE COLOR CLARITY  Darken Skies & Bring Out the Brilliance & Vibrancy of Natural Colors for Gorgeous Indoor & Outdoor Shots; Improves Contrast for Landscapes, Portraits & More MULTI-COATED PROTECTION This High Quality, Durable Filter is Manufactured to Withstand Everyday Exposure to the Elements; 16-Layer Weather-Sealed Surface Blocks Moisture & Dirt From Infiltrating Lens Element DUAL THREADED DESIGN  Smooth Threads Easily Affix to Any Lens; Double-Sided Design Also Lets You Mount & Stack Multiple Filters for Other Optical Effects Like Warming, Ultraviolet, Macro Photography, Etc COMPATIBLE WITH ALL 72MM LENSES  To Ensure Perfect Fit, Optimal Saturation, Max Contrast & Zero Detail Loss, Verify Lens Thread Size Based on 72 Marking on Lens Barrel or Underneath Lens Cap