5 x 5" Full Spectrum IRND Filter Size:1.8 If your subject is walking

If your subject is walking through the scene

Action Covers are not reversible

This filter is especially useful when photographing at high altitudes or around bodies of water

The ColorCore process allows Tiffen to control the color and density of their filters

5 x 5" Full Spectrum IRND Filter Size:1.8 If your subject is walkingTiffen 5 x 5" Full Spectrum IRND Filter is a combination of both an infrared control filter and a neutral density filter. An IRND is ideal for HD cameras, which have greater low light sensitivity and, subsequently, an increased susceptibility to IR contamination. When using a standard neutral density filter to counter the increased light sensitivity afforded by the HD sensor, the effects of infrared pollution become more apparent. This filter combines