Hoya 72mm Variable Neutral Density Filter IBM Four input

Four input

isolation of a signal source from any recording equipment

audio interface cards

Two fully balanced insert points enable you to integrate your favorite outboard equipment prior to conversion

Hoya 72mm Variable Neutral Density Filter IBM Four inputThe Hoya 72mm Variable Neutral Density Filter is a solid variable neutral density filter providing an exposure reduction of about 1. 5 to 9 stops. The 0. 45 to 2. 7 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than would normally be required. The degree of density is easily controlled by rotating the front filter ring, helping you to predetermine the additional exposure