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Hoya 67 mm NDx8 HMC Neutral Density Filter

: Hoya 67 mm NDx8 HMC Neutral Density Filter : Camera Lens Neutral Density Filters : Electronics. To 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 bright scenes which would normally cause overexposure. . ND filters appear grey and reduce the amount of light reaching the film, they have no affect on color balance. They have four main uses: 1. To enable slow shutter speeds to be used, especially with fast films, to record movement in subjects such as waterfalls, clouds, cars, seas etc. 2. To decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background. 3. To decrease the effective ISO of high speed film (ie: above ISO400) and allow it to be used outdoors in blight situations. 4. To allow cine and video cameras (which have fixed shutter speeds) to film subjects such as snow, sand or other bright scenes which would normally cause over-exposure . . .

Hoya 67 mm NDx8 HMC Neutral Density Filter
Hoya 67 mm NDx8 HMC Neutral Density Filter
Hoya 67 mm NDx8 HMC Neutral Density Filter