Best Circular Polarizers for Canon RF 24-70mm f/2.8L IS USM

The Canon RF 24-70mm f/2.8L IS USM is a legendary workhorse, but its high-resolving power demands optics that won’t degrade image quality. If you’ve ever struggled with glare on water or washed-out skies, a circular polarizer (CPL) is your best friend. Choosing an 82mm filter that doesn’t vignette at 24mm is tricky. I’ve tested dozens…