Haida ND NanoPro Filter 49mm (4 stops) gopro underwater case Despite its compact size

Despite its compact size

Multiple layers of protective material

For Haida M15 Filter Holder

Made from durable PC material (fire retardant/ flame resistant)

Haida ND NanoPro Filter 49mm (4 stops) gopro underwater case Despite its compact sizeThe 49mm NanoPro MC ND 1. 2 Filter from Haida is an ND filter with a 16x filter factor that provides a 4 stop exposure reduction. Its 1. 2 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time or increasing your aperture, you can control depth of field and convey movement more easily. Neutral density filters do not affect the