Formatt 4x4" HD Graduated Neutral Density (ND) 0.6 Water White Glass Filter - Soft Edge

• This filter allows the user more precise control; Designed for HD (High Definition), these filters can be used to enhance color contrast as well as normal light reduction -An example is increased sky detail on a dull overcast day

• Formatt HD neutral density filters have the same densities and light stops as the Kodak Wratten Standards

• These filters are also available in solid rounds 40.5-138 mm and all the common square sizes

• They are also available in soft and hard edge graduated filters.

Neutral Density filters have four main uses

• To enable slow shutter speeds to be used, especially with high speed films, to record movement in subjects such as waterfalls, clouds, or cars

• 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 (above ISO 400) and allow it to be used outdoors in bright situations

• To allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which could cause overexposure

Neutral Density Factors

• ND.3 (exposure adjustment = 1 stop, reduces ISO 1/2)

• ND.6 (exposure adjustment = 2 stops, reduces ISO 1/4)

• ND.9 (exposure adjustment = 3 stops, reduces ISO 1/8)

• ND1.2 (exposure adjustment = 4 stops, reduces ISO 1/16)