- FANCIER ND4 FILTER KIT CF09 -72MM
To enable slow shutter speeds to used, especially with high speed ISOs. To record movement in subjects such as waterfalls, clouds, or cars. To decrease depth of field by allowing wider apertures to used. Which helps separate subjects from their background.
To decrease the effective ISO of high speed film (above ISO 400) and allow it to used outdoors in bright situation. 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.