Breakthrough Photography 77mm 3-Stop Dark Circular Polarizer Filter delkin Face Detection AF is another

Face Detection AF is another autofocus mode that can track a person's face in the frame and maintain focus on them

which in lab tests has been shown to be the perfect combination of flare reduction without loss of light transmission

At full power

It's part of what makes them sound so good

5 mm) and weighs only 7

Breakthrough Photography 77mm 3-Stop Dark Circular Polarizer Filter delkin Face Detection AF is anotherAlthough from a relatively new name in the photographic filter industry, the Breakthrough Photography 77mm 3 Stop Dark Circular Polarizer Filter challenges the quality of competing filters due to Breakthrough's research and innovation. Now with additional neutral density filtration built in! Breakthrough has listened to customer feedback and introduced the Dark Circular Polarizer. The days of stacking an ND filter with your CPL are over, with 3 stop