Hoya 58mm HMC Neutral Density ND4 Multi-Coated Glass Filter Audioengine Like other H-Series Handy recorders

Like other H-Series Handy recorders such as the H4n Pro and H5

Hoya's FL-D filter corrects and restores a normal color balance

Mounts to mic stand or tripod

genlock/tri-sync input

Hoya 58mm HMC Neutral Density ND4 Multi-Coated Glass Filter Audioengine Like other H-Series Handy recordersTo enable slow shutter speeds to be used to record movement in subjects such as waterfalls, clouds, cars, etc. To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background. To decrease the effective ISO of high speed film (ie: above ISO400) and allow it to be used outdoors in bright situations. To allow video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other