Hoya 62mm HMC NDX400 Screw-in Filter

Hoya 62mm HMC NDX400 Screw-in Filter

• Reduces the amount of light to the camera sensor by 9 f-stops without effecting colour balance
• Can be used to achieve super slow shutter speeds in daylight to render moving subjects invisible
• Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth effect to flowing water
• Decreases depth of field by allowing wider apertures to be used, helping to separate subjects from their background
• Hard Coated' HMC Multicoating process suppresses ghosting, flare and reflections, and increases light transmission

Photographing eclipses and ultra-bright light sources can be extremely dangerous. This filter reduces light values by 9 stops to less than 1/500th of its original intensity and allows safe photography. It can also be used to achieve super slow shutter speeds in daylight to render moving subjects invisible, and will enable you to use slow shutter speeds, especially with high speed films, to record movement in subjects such as waterfalls, clouds, vehicles, etc. It will also decrease depth of field by allowing wider apertures to be used, which helps separate subjects from their background. And this filter allows you to decrease the effective ISO of high speed film (above ISO 400) so it can be used outdoors in bright situations. Neutral Density filters have no effect on color balance, appear grey and reduce the amount of light reaching the film. Multi-coating minimizes reflection at the filter surfaces which reduces flare as well as ghosting.