Breakthrough X4 GND 100x150mm (3-Stop Rev Hard) 100mm Drop In Filter and sized to fit perfectly

and sized to fit perfectly in any bag in the Peak Design Travel Line

Full traction texture around the entire circumference of the X4 makes it easier than ever to get off and on securely

which prevents your memory cards from dust and loss

built to withstand extreme wind

Having both Small and Medium offers three size options

Breakthrough X4 GND 100x150mm (3-Stop Rev Hard) 100mm Drop In Filter and sized to fit perfectlyWe took our industry leading X4 ND filter and applied the same proven technology to the graduated neutral density filter, manufactured it with tempered SCHOTT B270 optical glass made in Germany, and the result is the X4 GND the worlds sharpest and most color neutral GND, guaranteed.