PolarPro Plug-in filter Helix Mist McKinnon Edition

A completely seamless filter experience - never again will you need to screw on a filter. The new MagLock system features magnets that connect the filter to the threaded base, while a quarter turn secures the system in place. No vignetting up to 17 mm with one filter (16 mm with Canon/Nikon) and 19 mm with two filters stacked. The rubber frame insert provides more grip compared to aluminum filter frames. The filter frame and threaded base are made of brass. Front and rear Defender caps offer unparalleled protection during transport and storage. Available in 67mm, 72mm, 77mm, and 82mm base plates for all your lenses.